From 4de205ad530af2d15709be48202bc58766a905b0 Mon Sep 17 00:00:00 2001
From: Jeffrey Girard <me@jmgirard.com>
Date: Wed, 25 Sep 2019 15:52:12 -0400
Subject: [PATCH] Submit to CRAN, update pkgdown

---
 CRAN-RELEASE                                  |   4 +-
 docs/404.html                                 | 242 ++++++++++++++++++
 docs/CODE_OF_CONDUCT.html                     |  33 ++-
 docs/CONTRIBUTING.html                        |  33 ++-
 docs/ISSUE_TEMPLATE.html                      |  33 ++-
 docs/LICENSE.html                             |  33 ++-
 docs/SUPPORT.html                             |  33 ++-
 docs/apple-touch-icon-120x120.png             | Bin 0 -> 9041 bytes
 docs/apple-touch-icon-60x60.png               | Bin 0 -> 3425 bytes
 docs/apple-touch-icon-76x76.png               | Bin 0 -> 4636 bytes
 docs/apple-touch-icon.png                     | Bin 0 -> 11935 bytes
 docs/articles/index.html                      |  33 ++-
 docs/articles/intermediate-ssm-analysis.html  |  47 ++--
 .../introduction-to-ssm-analysis.html         |  51 ++--
 docs/articles/using-instruments.html          |  59 +++--
 docs/authors.html                             |  39 ++-
 docs/docsearch.json                           |   1 +
 docs/favicon-16x16.png                        | Bin 0 -> 1077 bytes
 docs/favicon-32x32.png                        | Bin 0 -> 1878 bytes
 docs/favicon.ico                              | Bin 1484 -> 15086 bytes
 docs/index.html                               | 150 ++++++++---
 docs/news/index.html                          |  84 ++++--
 docs/pkgdown.css                              |  46 +++-
 docs/pkgdown.js                               |  14 +-
 docs/pkgdown.yml                              |   2 +-
 docs/reference/anchors.html                   |  45 ++--
 docs/reference/aw2009.html                    |  46 ++--
 docs/reference/circumplex-package.html        |  54 ++--
 docs/reference/csie.html                      |  46 ++--
 docs/reference/csig.html                      |  46 ++--
 docs/reference/csip.html                      |  46 ++--
 docs/reference/csiv.html                      |  46 ++--
 docs/reference/ggsave.html                    |  43 +++-
 docs/reference/html_render.html               |  46 ++--
 docs/reference/igicr.html                     |  46 ++--
 docs/reference/iip32.html                     |  46 ++--
 docs/reference/iip64.html                     |  46 ++--
 docs/reference/iipsc.html                     |  46 ++--
 docs/reference/iis32.html                     |  46 ++--
 docs/reference/iis64.html                     |  46 ++--
 docs/reference/iitc.html                      |  46 ++--
 docs/reference/index.html                     |  33 ++-
 docs/reference/instrument.html                |  45 ++--
 docs/reference/instruments.html               |  42 +--
 docs/reference/ipipipc.html                   |  46 ++--
 docs/reference/ipsatize.html                  |  47 ++--
 docs/reference/isc.html                       |  46 ++--
 docs/reference/items.html                     |  45 ++--
 docs/reference/jz2017.html                    |  46 ++--
 docs/reference/mutate.html                    |  43 ++--
 docs/reference/norms.html                     |  45 ++--
 docs/reference/octants.html                   |  42 +--
 docs/reference/pipe.html                      |  41 ++-
 docs/reference/poles.html                     |  42 +--
 docs/reference/quadrants.html                 |  42 +--
 docs/reference/raw_iipsc.html                 |  43 ++--
 docs/reference/scales.html                    |  45 ++--
 docs/reference/score.html                     |  47 ++--
 docs/reference/select.html                    |  43 ++--
 docs/reference/ssm_analyze.html               |  59 +++--
 docs/reference/ssm_append.html                |  47 ++--
 docs/reference/ssm_parameters.html            |  47 ++--
 docs/reference/ssm_plot.html                  |  58 +++--
 docs/reference/ssm_plot_circle.html           |  44 ++--
 docs/reference/ssm_plot_contrast.html         |  44 ++--
 docs/reference/ssm_score.html                 |  47 ++--
 docs/reference/ssm_table.html                 |  59 +++--
 docs/reference/standardize.html               |  47 ++--
 docs/reference/tidyeval.html                  |  49 ++--
 pkgdown/favicon/apple-touch-icon-120x120.png  | Bin 0 -> 9041 bytes
 pkgdown/favicon/apple-touch-icon-60x60.png    | Bin 0 -> 3425 bytes
 pkgdown/favicon/apple-touch-icon-76x76.png    | Bin 0 -> 4636 bytes
 pkgdown/favicon/apple-touch-icon.png          | Bin 0 -> 11935 bytes
 pkgdown/favicon/favicon-16x16.png             | Bin 0 -> 1077 bytes
 pkgdown/favicon/favicon-32x32.png             | Bin 0 -> 1878 bytes
 pkgdown/favicon/favicon.ico                   | Bin 0 -> 15086 bytes
 76 files changed, 1987 insertions(+), 974 deletions(-)
 create mode 100644 docs/404.html
 create mode 100644 docs/apple-touch-icon-120x120.png
 create mode 100644 docs/apple-touch-icon-60x60.png
 create mode 100644 docs/apple-touch-icon-76x76.png
 create mode 100644 docs/apple-touch-icon.png
 create mode 100644 docs/favicon-16x16.png
 create mode 100644 docs/favicon-32x32.png
 create mode 100644 pkgdown/favicon/apple-touch-icon-120x120.png
 create mode 100644 pkgdown/favicon/apple-touch-icon-60x60.png
 create mode 100644 pkgdown/favicon/apple-touch-icon-76x76.png
 create mode 100644 pkgdown/favicon/apple-touch-icon.png
 create mode 100644 pkgdown/favicon/favicon-16x16.png
 create mode 100644 pkgdown/favicon/favicon-32x32.png
 create mode 100644 pkgdown/favicon/favicon.ico

diff --git a/CRAN-RELEASE b/CRAN-RELEASE
index 20942d9e..fb27cb2f 100644
--- a/CRAN-RELEASE
+++ b/CRAN-RELEASE
@@ -1,2 +1,2 @@
-This package was submitted to CRAN on 2019-08-21.
-Once it is accepted, delete this file and tag the release (commit c61f2dcc32).
+This package was submitted to CRAN on 2019-09-25.
+Once it is accepted, delete this file and tag the release (commit 6f1b902c8a).
diff --git a/docs/404.html b/docs/404.html
new file mode 100644
index 00000000..a1468341
--- /dev/null
+++ b/docs/404.html
@@ -0,0 +1,242 @@
+<!-- Generated by pkgdown: do not edit by hand -->
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+  <meta charset="utf-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+<title>Page not found (404) • circumplex</title>
+
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="https://circumplex.jmgirard.com/favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="https://circumplex.jmgirard.com/favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="https://circumplex.jmgirard.com/apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="https://circumplex.jmgirard.com/apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="https://circumplex.jmgirard.com/apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="https://circumplex.jmgirard.com/apple-touch-icon-60x60.png" />
+
+<!-- jquery -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
+<!-- Bootstrap -->
+<link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
+
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
+
+<!-- Font Awesome icons -->
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
+
+<!-- clipboard.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
+
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
+
+<!-- pkgdown -->
+<link href="https://circumplex.jmgirard.com/pkgdown.css" rel="stylesheet">
+<script src="https://circumplex.jmgirard.com/pkgdown.js"></script>
+
+
+<!-- docsearch -->
+<script src="https://circumplex.jmgirard.com/docsearch.js"></script>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/docsearch.js/2.6.1/docsearch.min.css" integrity="sha256-QOSRU/ra9ActyXkIBbiIB144aDBdtvXBcNc3OTNuX/Q=" crossorigin="anonymous" />
+<link href="https://circumplex.jmgirard.com/docsearch.css" rel="stylesheet">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
+
+
+
+<meta property="og:title" content="Page not found (404)" />
+<meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
+<meta name="twitter:card" content="summary" />
+
+
+
+
+<!-- mathjax -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
+
+<!--[if lt IE 9]>
+<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
+<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
+<![endif]-->
+
+
+
+  </head>
+
+  <body>
+    <div class="container template-title-body">
+      <header>
+      <div class="navbar navbar-default navbar-fixed-top" role="navigation">
+  <div class="container">
+    <div class="navbar-header">
+      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false">
+        <span class="sr-only">Toggle navigation</span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+      </button>
+      <span class="navbar-brand">
+        <a class="navbar-link" href="https://circumplex.jmgirard.com/index.html">circumplex</a>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
+      </span>
+    </div>
+
+    <div id="navbar" class="navbar-collapse collapse">
+      <ul class="nav navbar-nav">
+        <li>
+  <a href="index.html">
+    <span class="fa fa-home fa-lg"></span>
+     
+  </a>
+</li>
+<li>
+  <a href="reference/index.html">Reference</a>
+</li>
+<li class="dropdown">
+  <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
+    Instruments
+     
+    <span class="caret"></span>
+  </a>
+  <ul class="dropdown-menu" role="menu">
+    <li>
+      <a href="reference/csie.html">Circumplex Scales of Interpersonal Efficacy</a>
+    </li>
+    <li>
+      <a href="reference/csig.html">Circumplex Scales of Intergroup Goals</a>
+    </li>
+    <li>
+      <a href="reference/csip.html">Circumplex Scales of Interpersonal Problems</a>
+    </li>
+    <li>
+      <a href="reference/csiv.html">Circumplex Scales of Interpersonal Values</a>
+    </li>
+    <li>
+      <a href="reference/igicr.html">Interpersonal Goals Inventory for Children, Revised Version</a>
+    </li>
+    <li>
+      <a href="reference/iip32.html">Inventory of Interpersonal Problems, Brief Version</a>
+    </li>
+    <li>
+      <a href="reference/iip64.html">Inventory of Interpersonal Problems</a>
+    </li>
+    <li>
+      <a href="reference/iipsc.html">Inventory of Interpersonal Problems, Short Circumplex</a>
+    </li>
+    <li>
+      <a href="reference/iis32.html">Inventory of Interpersonal Strengths, Brief Version</a>
+    </li>
+    <li>
+      <a href="reference/iis64.html">Inventory of Interpersonal Strengths</a>
+    </li>
+    <li>
+      <a href="reference/iitc.html">Inventory of Influence Tactics Circumplex</a>
+    </li>
+    <li>
+      <a href="reference/ipipipc.html">IPIP Interpersonal Circumplex</a>
+    </li>
+    <li>
+      <a href="reference/isc.html">Interpersonal Sensitivities Circumplex</a>
+    </li>
+  </ul>
+</li>
+<li class="dropdown">
+  <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
+    Vignettes
+     
+    <span class="caret"></span>
+  </a>
+  <ul class="dropdown-menu" role="menu">
+    <li>
+      <a href="articles/using-instruments.html">Using Circumplex Instruments</a>
+    </li>
+    <li>
+      <a href="articles/introduction-to-ssm-analysis.html">Introduction to SSM Analysis</a>
+    </li>
+    <li>
+      <a href="articles/intermediate-ssm-analysis.html">Intermediate SSM Analysis</a>
+    </li>
+  </ul>
+</li>
+<li>
+  <a href="news/index.html">News</a>
+</li>
+      </ul>
+      <ul class="nav navbar-nav navbar-right">
+        <li>
+  <a href="https://github.com/jmgirard/circumplex">
+    <span class="fa fa-github fa-lg"></span>
+     
+  </a>
+</li>
+      </ul>
+      
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
+        <div class="form-group">
+          <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
+        </div>
+      </form>
+      
+    </div><!--/.nav-collapse -->
+  </div><!--/.container -->
+</div><!--/.navbar -->
+
+      
+
+      </header>
+
+<div class="row">
+  <div class="contents col-md-9">
+    <div class="page-header">
+      <h1>Page not found (404)</h1>
+    </div>
+
+Content not found. Please use links in the navbar.
+
+  </div>
+
+</div>
+
+
+
+      <footer>
+      <div class="copyright">
+  <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
+</div>
+
+<div class="pkgdown">
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
+</div>
+
+      </footer>
+   </div>
+
+  
+<script src="https://cdnjs.cloudflare.com/ajax/libs/docsearch.js/2.6.1/docsearch.min.js" integrity="sha256-GKvGqXDznoRYHCwKXGnuchvKSwmx9SRMrZOTh2g4Sb0=" crossorigin="anonymous"></script>
+<script>
+  docsearch({
+    
+    
+    apiKey: 'ec4004481ba8d410e8e20c9e90fa5e60',
+    indexName: 'circumplex',
+    inputSelector: 'input#search-input.form-control',
+    transformData: function(hits) {
+      return hits.map(function (hit) {
+        hit.url = updateHitURL(hit);
+        return hit;
+      });
+    }
+  });
+</script>
+
+
+
+  </body>
+</html>
+
+
diff --git a/docs/CODE_OF_CONDUCT.html b/docs/CODE_OF_CONDUCT.html
index 4a045a38..52a7575b 100644
--- a/docs/CODE_OF_CONDUCT.html
+++ b/docs/CODE_OF_CONDUCT.html
@@ -8,21 +8,32 @@
 
 <title>Contributor Code of Conduct • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Contributor Code of Conduct" />
 
+<meta property="og:title" content="Contributor Code of Conduct" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -198,14 +211,16 @@ <h1>Contributor Code of Conduct</h1>
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -228,6 +243,8 @@ <h1>Contributor Code of Conduct</h1>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/CONTRIBUTING.html b/docs/CONTRIBUTING.html
index 0742145f..124233b6 100644
--- a/docs/CONTRIBUTING.html
+++ b/docs/CONTRIBUTING.html
@@ -8,21 +8,32 @@
 
 <title>Contributing to circumplex • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Contributing to circumplex" />
 
+<meta property="og:title" content="Contributing to circumplex" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -235,14 +248,16 @@ <h3 class="hasAnchor">
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -265,6 +280,8 @@ <h3 class="hasAnchor">
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/ISSUE_TEMPLATE.html b/docs/ISSUE_TEMPLATE.html
index 58ec62ad..342bf8b3 100644
--- a/docs/ISSUE_TEMPLATE.html
+++ b/docs/ISSUE_TEMPLATE.html
@@ -8,21 +8,32 @@
 
 <title>NA • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="NA" />
 
+<meta property="og:title" content="NA" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -196,14 +209,16 @@ <h1>NA</h1>
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -226,6 +241,8 @@ <h1>NA</h1>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/LICENSE.html b/docs/LICENSE.html
index c327b582..256abd9d 100644
--- a/docs/LICENSE.html
+++ b/docs/LICENSE.html
@@ -8,21 +8,32 @@
 
 <title>GNU General Public License • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="GNU General Public License" />
 
+<meta property="og:title" content="GNU General Public License" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -412,14 +425,16 @@ <h2 class="hasAnchor">
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -442,6 +457,8 @@ <h2 class="hasAnchor">
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/SUPPORT.html b/docs/SUPPORT.html
index 5bb1924c..a76fc905 100644
--- a/docs/SUPPORT.html
+++ b/docs/SUPPORT.html
@@ -8,21 +8,32 @@
 
 <title>Getting help with circumplex • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Getting help with circumplex" />
 
+<meta property="og:title" content="Getting help with circumplex" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -205,14 +218,16 @@ <h1>Getting help with circumplex</h1>
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -235,6 +250,8 @@ <h1>Getting help with circumplex</h1>
 </script>
 
 
+
   </body>
 </html>
 
+
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diff --git a/docs/articles/index.html b/docs/articles/index.html
index 359aab64..476c8522 100644
--- a/docs/articles/index.html
+++ b/docs/articles/index.html
@@ -8,21 +8,32 @@
 
 <title>Articles • circumplex</title>
 
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+<!-- headroom.js -->
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+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
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@@ -36,13 +47,14 @@
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+<meta property="og:title" content="Articles" />
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@@ -53,6 +65,7 @@
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+
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   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
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@@ -154,7 +167,6 @@
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 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
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@@ -164,7 +176,7 @@
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+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
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@@ -175,6 +187,7 @@
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+
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 <div class="row">
@@ -196,14 +209,16 @@ <h3>All vignettes</h3>
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+
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 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
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@@ -226,6 +241,8 @@ <h3>All vignettes</h3>
 </script>
 
 
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diff --git a/docs/articles/intermediate-ssm-analysis.html b/docs/articles/intermediate-ssm-analysis.html
index 7a96efe2..ce3a4e9b 100644
--- a/docs/articles/intermediate-ssm-analysis.html
+++ b/docs/articles/intermediate-ssm-analysis.html
@@ -6,9 +6,16 @@
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Intermediate SSM Analysis • circumplex</title>
+<!-- favicons --><link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
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 <script src="../pkgdown.js"></script><!-- docsearch --><script src="../docsearch.js"></script><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/docsearch.js/2.6.1/docsearch.min.css" integrity="sha256-QOSRU/ra9ActyXkIBbiIB144aDBdtvXBcNc3OTNuX/Q=" crossorigin="anonymous">
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@@ -33,7 +40,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -126,7 +133,7 @@
   </a>
 </li>
       </ul>
-<form class="navbar-form navbar-right" role="search">
+<form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
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@@ -140,6 +147,7 @@
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   <div class="col-md-9 contents">
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@@ -153,7 +161,7 @@ <h1>Intermediate SSM Analysis</h1>
 
     
     
-<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/library">library</a></span>(circumplex)</a></code></pre></div>
+<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span>(circumplex)</a></code></pre></div>
 <div id="generalizing-the-basic-analyses" class="section level2">
 <h2 class="hasAnchor">
 <a href="#generalizing-the-basic-analyses" class="anchor"></a>1. Generalizing the basic analyses</h2>
@@ -161,11 +169,11 @@ <h2 class="hasAnchor">
 <h3 class="hasAnchor">
 <a href="#generalizing-to-multiple-means" class="anchor"></a>Generalizing to multiple means</h3>
 <p>We’ve already seen how adding the <code>measures</code> argument can change <code><a href="../reference/ssm_analyze.html">ssm_analyze()</a></code> from analyzing means to analyzing correlations. Similarly, we can change it from analyzing all observations as a single group to analyzing subgroups separately. This is done using the <code>grouping</code> argument. This argument needs to contain a single variable (name or column number) that specifies each observation’s group. For instance, the <code>Gender</code> variable in the <code>jz2017</code> dataset is a factor with two levels: Female and Male. To analyze each gender separately, we need to add the <code>grouping = Gender</code> argument to the function call.</p>
-<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"jz2017"</span>)</a>
-<a class="sourceLine" id="cb2-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"iipsc"</span>)</a>
+<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"jz2017"</span>)</a>
+<a class="sourceLine" id="cb2-2" title="2"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"iipsc"</span>)</a>
 <a class="sourceLine" id="cb2-3" title="3">jz2017s &lt;-<span class="st"> </span><span class="kw"><a href="../reference/standardize.html">standardize</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">instrument =</span> iipsc, <span class="dt">sample =</span> <span class="dv">1</span>)</a>
 <a class="sourceLine" id="cb2-4" title="4">results &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017s, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">grouping =</span> Gender)</a>
-<a class="sourceLine" id="cb2-5" title="5"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results)</a>
+<a class="sourceLine" id="cb2-5" title="5"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results)</a>
 <a class="sourceLine" id="cb2-6" title="6"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb2-7" title="7"><span class="co">#&gt; ssm_analyze(.data = jz2017s, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb2-8" title="8"><span class="co">#&gt;     grouping = Gender)</span></a>
@@ -193,7 +201,7 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb2-30" title="30"><span class="co">#&gt; Amplitude         0.294      0.256      0.330</span></a>
 <a class="sourceLine" id="cb2-31" title="31"><span class="co">#&gt; Displacement    320.685    313.386    327.985</span></a>
 <a class="sourceLine" id="cb2-32" title="32"><span class="co">#&gt; Model Fit         0.824</span></a></code></pre></div>
-<p>Note that the output of <code><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary()</a></code> looks the same as previous mean-based analyses except that there are now two Profile blocks: one for Female and one for Male. A similar modification will occur if we generate a table and figure.</p>
+<p>Note that the output of <code><a href="https://rdrr.io/r/base/summary.html">summary()</a></code> looks the same as previous mean-based analyses except that there are now two Profile blocks: one for Female and one for Male. A similar modification will occur if we generate a table and figure.</p>
 <div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw"><a href="../reference/ssm_table.html">ssm_table</a></span>(results)</a></code></pre></div>
 <table class="table table">
 <caption style="font-size: initial !important;">
@@ -280,9 +288,9 @@ <h3 class="hasAnchor">
 <div id="generalizing-to-multiple-measures" class="section level3">
 <h3 class="hasAnchor">
 <a href="#generalizing-to-multiple-measures" class="anchor"></a>Generalizing to multiple measures</h3>
-<p>Similarly, we can analyze multiple external measures in a single function call by providing a vector of variables to the <code>measures</code> argument instead of a single variable. This can be done by wrapping the variable names or column numbers with the <code><a href="https://www.rdocumentation.org/packages/base/topics/c">c()</a></code> or, if they are adjacent columns, with the <code>:</code> shortcut. The package functions were written to analyze all measures and groups within a single bootstrap, so adding additional measures and groups should still be fast.</p>
-<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1">results2 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(NARPD, ASPD))</a>
-<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results2)</a>
+<p>Similarly, we can analyze multiple external measures in a single function call by providing a vector of variables to the <code>measures</code> argument instead of a single variable. This can be done by wrapping the variable names or column numbers with the <code><a href="https://rdrr.io/r/base/c.html">c()</a></code> or, if they are adjacent columns, with the <code>:</code> shortcut. The package functions were written to analyze all measures and groups within a single bootstrap, so adding additional measures and groups should still be fast.</p>
+<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1">results2 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(NARPD, ASPD))</a>
+<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results2)</a>
 <a class="sourceLine" id="cb6-3" title="3"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb6-4" title="4"><span class="co">#&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb6-5" title="5"><span class="co">#&gt;     measures = c(NARPD, ASPD))</span></a>
@@ -395,7 +403,7 @@ <h3 class="hasAnchor">
 <a href="#generalizing-to-multiple-groups-and-multiple-measures" class="anchor"></a>Generalizing to multiple groups and multiple measures</h3>
 <p>Finally, it is possible to analyze multiple measures within multiple groups. As you might expect, this requires providing both the <code>measures</code> and <code>grouping</code> arguments to the same function call. Again, any number of measures and groups is possible. The profiles in such an analysis will be named GROUP_MEASURE as below.</p>
 <div class="sourceCode" id="cb9"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb9-1" title="1">results3 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">grouping =</span> Gender, <span class="dt">measures =</span> PARPD<span class="op">:</span>SZTPD)</a>
-<a class="sourceLine" id="cb9-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results3)</a>
+<a class="sourceLine" id="cb9-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results3)</a>
 <a class="sourceLine" id="cb9-3" title="3"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb9-4" title="4"><span class="co">#&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb9-5" title="5"><span class="co">#&gt;     measures = PARPD:SZTPD, grouping = Gender)</span></a>
@@ -641,7 +649,7 @@ <h3 class="hasAnchor">
 <a href="#contrasts-between-groups-means" class="anchor"></a>Contrasts between groups’ means</h3>
 <p>To compare the mean profiles for females and males, we can start with the same syntax we had before and then add a <code>contrast</code> argument. For the sake of illustration, we will use a model contrast here, but for some purposes, a parameter contrast might be more appropriate.</p>
 <div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb12-1" title="1">results4 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017s, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">grouping =</span> Gender, <span class="dt">contrast =</span> <span class="st">"model"</span>)</a>
-<a class="sourceLine" id="cb12-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results4)</a>
+<a class="sourceLine" id="cb12-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results4)</a>
 <a class="sourceLine" id="cb12-3" title="3"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb12-4" title="4"><span class="co">#&gt; ssm_analyze(.data = jz2017s, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb12-5" title="5"><span class="co">#&gt;     grouping = Gender, contrast = "model")</span></a>
@@ -720,9 +728,9 @@ <h3 class="hasAnchor">
 <h3 class="hasAnchor">
 <a href="#contrasts-between-measures-in-a-group" class="anchor"></a>Contrasts between measures in a group</h3>
 <p>Comparing measures in a group is very similar. Again, all we need to do is add the <code>contrast</code> argument to the function call containing <code>measures</code>. Here we will use a parameter contrast to see what they look like.</p>
-<div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb15-1" title="1">results5 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(NARPD, ASPD),</a>
+<div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb15-1" title="1">results5 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(NARPD, ASPD),</a>
 <a class="sourceLine" id="cb15-2" title="2">  <span class="dt">contrast =</span> <span class="st">"test"</span>)</a>
-<a class="sourceLine" id="cb15-3" title="3"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results5)</a>
+<a class="sourceLine" id="cb15-3" title="3"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results5)</a>
 <a class="sourceLine" id="cb15-4" title="4"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb15-5" title="5"><span class="co">#&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb15-6" title="6"><span class="co">#&gt;     measures = c(NARPD, ASPD), contrast = "test")</span></a>
@@ -803,7 +811,7 @@ <h3 class="hasAnchor">
 <p>Finally, we might want to compare a single measure’s profiles in two different groups. To do so, we need to specify the <code>measures</code>, the <code>grouping</code> variable, and the type of <code>contrast</code>. In this case, we need to ensure that we are providing only a single measure and a grouping variable with just two levels (as again only two things can be contrasted at a time). Note that the contrast name in this case will take the form of MEASURE: GROUP2 - GROUP1.</p>
 <div class="sourceCode" id="cb18"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb18-1" title="1">results6 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> BORPD, </a>
 <a class="sourceLine" id="cb18-2" title="2">  <span class="dt">grouping =</span> Gender, <span class="dt">contrast =</span> <span class="st">"test"</span>)</a>
-<a class="sourceLine" id="cb18-3" title="3"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results6)</a>
+<a class="sourceLine" id="cb18-3" title="3"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results6)</a>
 <a class="sourceLine" id="cb18-4" title="4"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb18-5" title="5"><span class="co">#&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb18-6" title="6"><span class="co">#&gt;     measures = BORPD, grouping = Gender, contrast = "test")</span></a>
@@ -1175,6 +1183,7 @@ <h2 class="hasAnchor">
   </div>
 
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
+
         <div id="tocnav">
       <h2 class="hasAnchor">
 <a href="#tocnav" class="anchor"></a>Contents</h2>
@@ -1193,13 +1202,15 @@ <h2 class="hasAnchor">
 </div>
 
 
+
       <footer><div class="copyright">
   <p>Developed by <a href="https://www.jmgirard.com">Jeffrey Girard</a>, <a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a>, <a href="https://www.personalityprocesses.com">Aidan Wright</a>.</p>
 </div>
 
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-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
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index c84fccdd..e1bd4603 100644
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@@ -6,9 +6,16 @@
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@@ -33,7 +40,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -126,7 +133,7 @@
   </a>
 </li>
       </ul>
-<form class="navbar-form navbar-right" role="search">
+<form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
 </div>
@@ -140,6 +147,7 @@
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   <div class="col-md-9 contents">
     <div class="page-header toc-ignore">
@@ -153,7 +161,7 @@ <h1>Introduction to SSM Analysis</h1>
 
     
     
-<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/library">library</a></span>(circumplex)</a></code></pre></div>
+<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span>(circumplex)</a></code></pre></div>
 <div id="background-and-motivation" class="section level2">
 <h2 class="hasAnchor">
 <a href="#background-and-motivation" class="anchor"></a>1. Background and Motivation</h2>
@@ -194,8 +202,8 @@ <h3 class="hasAnchor">
 <h2 class="hasAnchor">
 <a href="#example-data-jz2017" class="anchor"></a>2. Example data: jz2017</h2>
 <p>To illustrate the SSM functions, we will use the example dataset <code>jz2017</code>, which was provided by Zimmermann &amp; Wright (2017) and reformatted for this package. This dataset includes self-report data from 1166 undergraduate students. Students completed a circumplex measure of interpersonal problems with eight subscales (PA, BC, DE, FG, HI, JK, LM, and NO) and a measure of personality disorder symptoms with ten subscales (PARPD, SCZPD, SZTPD, ASPD, BORPD, HISPD, NARPD, AVPD, DPNPD, and OCPD). More information about these variables can be accessed using the <code><a href="../reference/jz2017.html">?jz2017</a></code> command in R.</p>
-<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"jz2017"</span>)</a>
-<a class="sourceLine" id="cb2-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(jz2017)</a>
+<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"jz2017"</span>)</a>
+<a class="sourceLine" id="cb2-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(jz2017)</a>
 <a class="sourceLine" id="cb2-3" title="3"><span class="co">#&gt; # A tibble: 1,166 x 19</span></a>
 <a class="sourceLine" id="cb2-4" title="4"><span class="co">#&gt;    Gender    PA    BC    DE    FG    HI    JK    LM    NO PARPD SCZPD SZTPD</span></a>
 <a class="sourceLine" id="cb2-5" title="5"><span class="co">#&gt;    &lt;fct&gt;  &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;int&gt; &lt;int&gt; &lt;int&gt;</span></a>
@@ -220,16 +228,16 @@ <h2 class="hasAnchor">
 <div id="conducting-ssm-for-a-groups-mean-scores" class="section level3">
 <h3 class="hasAnchor">
 <a href="#conducting-ssm-for-a-groups-mean-scores" class="anchor"></a>Conducting SSM for a group’s mean scores</h3>
-<p>To begin, let’s say that we want to use the SSM to describe the interpersonal problems of the average individual in the entire dataset. Although it is possible to analyze the raw scores contained in <code>jz2017</code>, our results will be more interpretable if we standardize the scores first. We can do this using the <code><a href="../reference/standardize.html">standardize()</a></code> function. The first argument to this function is <code>.data</code>, a data frame frame containing the circumplex scales to be standardized. The second argument is <code>scales</code> and specifies where in <code>.data</code> the circumplex scales are (either in terms of their variable names or their column numbers). The third argument is <code>angles</code> and specifies the angle of each of the circumplex scales included in <code>scales</code>. Note that the <code>scales</code> and <code>angles</code> arguments need to be vectors (hence the <code><a href="https://www.rdocumentation.org/packages/base/topics/c">c()</a></code> function) that have the same ordering and length. Finally, the fourth argument is <code>norms</code>, a data frame containing the normative data we will use to standardize the circumplex scales. Here, we will use normative data for the IIP-SC by loading the <code>iipsc</code> data frame.</p>
-<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"iipsc"</span>)</a>
+<p>To begin, let’s say that we want to use the SSM to describe the interpersonal problems of the average individual in the entire dataset. Although it is possible to analyze the raw scores contained in <code>jz2017</code>, our results will be more interpretable if we standardize the scores first. We can do this using the <code><a href="../reference/standardize.html">standardize()</a></code> function. The first argument to this function is <code>.data</code>, a data frame frame containing the circumplex scales to be standardized. The second argument is <code>scales</code> and specifies where in <code>.data</code> the circumplex scales are (either in terms of their variable names or their column numbers). The third argument is <code>angles</code> and specifies the angle of each of the circumplex scales included in <code>scales</code>. Note that the <code>scales</code> and <code>angles</code> arguments need to be vectors (hence the <code><a href="https://rdrr.io/r/base/c.html">c()</a></code> function) that have the same ordering and length. Finally, the fourth argument is <code>norms</code>, a data frame containing the normative data we will use to standardize the circumplex scales. Here, we will use normative data for the IIP-SC by loading the <code>iipsc</code> data frame.</p>
+<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"iipsc"</span>)</a>
 <a class="sourceLine" id="cb3-2" title="2">jz2017s &lt;-<span class="st"> </span><span class="kw"><a href="../reference/standardize.html">standardize</a></span>(</a>
 <a class="sourceLine" id="cb3-3" title="3">  <span class="dt">.data =</span> jz2017,</a>
-<a class="sourceLine" id="cb3-4" title="4">  <span class="dt">scales =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(PA, BC, DE, FG, HI, JK, LM, NO),</a>
-<a class="sourceLine" id="cb3-5" title="5">  <span class="dt">angles =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>),</a>
+<a class="sourceLine" id="cb3-4" title="4">  <span class="dt">scales =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(PA, BC, DE, FG, HI, JK, LM, NO),</a>
+<a class="sourceLine" id="cb3-5" title="5">  <span class="dt">angles =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>),</a>
 <a class="sourceLine" id="cb3-6" title="6">  <span class="dt">instrument =</span> iipsc,</a>
 <a class="sourceLine" id="cb3-7" title="7">  <span class="dt">sample =</span> <span class="dv">1</span></a>
 <a class="sourceLine" id="cb3-8" title="8">)</a>
-<a class="sourceLine" id="cb3-9" title="9"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(jz2017s)</a>
+<a class="sourceLine" id="cb3-9" title="9"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(jz2017s)</a>
 <a class="sourceLine" id="cb3-10" title="10"><span class="co">#&gt; # A tibble: 1,166 x 27</span></a>
 <a class="sourceLine" id="cb3-11" title="11"><span class="co">#&gt;    Gender    PA    BC    DE    FG    HI    JK    LM    NO PARPD SCZPD SZTPD</span></a>
 <a class="sourceLine" id="cb3-12" title="12"><span class="co">#&gt;    &lt;fct&gt;  &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;int&gt; &lt;int&gt; &lt;int&gt;</span></a>
@@ -250,11 +258,11 @@ <h3 class="hasAnchor">
 <p>Now we can use the <code><a href="../reference/ssm_analyze.html">ssm_analyze()</a></code> function to perform the SSM analysis. The first three arguments are the same as the first three arguments to <code><a href="../reference/standardize.html">standardize()</a></code>. We can pass the new <code>jz2017s</code> data frame that contains standardized scores as <code>.data</code> and the same vectors to <code>scales</code> and <code>angles</code> since these haven’t changed.</p>
 <div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1">results &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(</a>
 <a class="sourceLine" id="cb4-2" title="2">  <span class="dt">.data =</span> jz2017s,</a>
-<a class="sourceLine" id="cb4-3" title="3">  <span class="dt">scales =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(PA_z, BC_z, DE_z, FG_z, HI_z, JK_z, LM_z, NO_z),</a>
-<a class="sourceLine" id="cb4-4" title="4">  <span class="dt">angles =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>)</a>
+<a class="sourceLine" id="cb4-3" title="3">  <span class="dt">scales =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(PA_z, BC_z, DE_z, FG_z, HI_z, JK_z, LM_z, NO_z),</a>
+<a class="sourceLine" id="cb4-4" title="4">  <span class="dt">angles =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>)</a>
 <a class="sourceLine" id="cb4-5" title="5">)</a></code></pre></div>
-<p>The output of the function has been saved in the <code>results</code> object, which we can examine in detail using the <code><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary()</a></code> function. This will output the call we made to create the output, as well as some of the default options that we didn’t bother changing (see <code><a href="../reference/ssm_analyze.html">?ssm_analyze</a></code> to learn how to change them) and, most importantly, the estimated SSM parameter values with bootstrapped confidence intervals.</p>
-<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results)</a>
+<p>The output of the function has been saved in the <code>results</code> object, which we can examine in detail using the <code><a href="https://rdrr.io/r/base/summary.html">summary()</a></code> function. This will output the call we made to create the output, as well as some of the default options that we didn’t bother changing (see <code><a href="../reference/ssm_analyze.html">?ssm_analyze</a></code> to learn how to change them) and, most importantly, the estimated SSM parameter values with bootstrapped confidence intervals.</p>
+<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results)</a>
 <a class="sourceLine" id="cb5-2" title="2"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb5-3" title="3"><span class="co">#&gt; ssm_analyze(.data = jz2017s, scales = c(PA_z, BC_z, DE_z, FG_z, </span></a>
 <a class="sourceLine" id="cb5-4" title="4"><span class="co">#&gt;     HI_z, JK_z, LM_z, NO_z), angles = c(90, 135, 180, 225, 270, </span></a>
@@ -274,9 +282,9 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb5-18" title="18"><span class="co">#&gt; Amplitude         0.131      0.098      0.165</span></a>
 <a class="sourceLine" id="cb5-19" title="19"><span class="co">#&gt; Displacement    353.525    339.484      9.564</span></a>
 <a class="sourceLine" id="cb5-20" title="20"><span class="co">#&gt; Model Fit         0.710</span></a></code></pre></div>
-<p>That was pretty easy! We can now write up these results. However, the <code>circumplex</code> package has some features that can make what we just did even easier. First, because the first three arguments of the <code><a href="../reference/ssm_analyze.html">ssm_analyze()</a></code> function are always the same, we can omit their names. Second, because we organized the <code>jz2017s</code> data frame to have the circumplex scale variables adjacent and in order from PA to NO, we can simplify their specification by using the <code>PA:NO</code> shortcut. Finally, because the use of octant scales is so common, the <code>circumplex</code> package comes with a convenience function for outputting their angular displacements: <code><a href="../reference/octants.html">octants()</a></code>. Note how, even when using these shortcuts, the results are the same except for minor stochastic differences in the confidence intervals due to the randomness inherent to bootstrapping. (To get the exact same results, we could use the <code><a href="https://www.rdocumentation.org/packages/base/topics/Random">set.seed()</a></code> function to control the random number generator in R.)</p>
+<p>That was pretty easy! We can now write up these results. However, the <code>circumplex</code> package has some features that can make what we just did even easier. First, because the first three arguments of the <code><a href="../reference/ssm_analyze.html">ssm_analyze()</a></code> function are always the same, we can omit their names. Second, because we organized the <code>jz2017s</code> data frame to have the circumplex scale variables adjacent and in order from PA to NO, we can simplify their specification by using the <code>PA:NO</code> shortcut. Finally, because the use of octant scales is so common, the <code>circumplex</code> package comes with a convenience function for outputting their angular displacements: <code><a href="../reference/octants.html">octants()</a></code>. Note how, even when using these shortcuts, the results are the same except for minor stochastic differences in the confidence intervals due to the randomness inherent to bootstrapping. (To get the exact same results, we could use the <code><a href="https://rdrr.io/r/base/Random.html">set.seed()</a></code> function to control the random number generator in R.)</p>
 <div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1">results2 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017s, PA_z<span class="op">:</span>NO_z, <span class="kw"><a href="../reference/octants.html">octants</a></span>())</a>
-<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results2)</a>
+<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results2)</a>
 <a class="sourceLine" id="cb6-3" title="3"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb6-4" title="4"><span class="co">#&gt; ssm_analyze(.data = jz2017s, scales = PA_z:NO_z, angles = octants())</span></a>
 <a class="sourceLine" id="cb6-5" title="5"><span class="co">#&gt; </span></a>
@@ -365,7 +373,7 @@ <h3 class="hasAnchor">
 <p>Next, let’s say that we are interested in analyzing not the mean scores on the circumplex scales but rather their correlations with an external measure. This is sometimes referred to as “projecting” that external measure into the circumplex space. As an example, let’s project the NARPD variable, which captures symptoms of narcissistic personality disorder, into the circumplex space defined by the IIP-SC. Based on theory and previous findings, we can expect this measure to be associated with some general interpersonal distress and a style that is generally high in agency.</p>
 <p>To conduct this analysis, we can start with the syntax from the mean-based analysis. All SSM analyses use the <code><a href="../reference/ssm_analyze.html">ssm_analyze()</a></code> function and the data, scales, and angles are the same as before. However, we also need to let the function know that we want to analyze correlations with NARPD as opposed to scale means. To do this, we add an additional argument <code>measures</code>. Note that since correlations are already standardized, we don’t need to worry about standardizing the circumplex scales when <code>measures</code> is used.</p>
 <div class="sourceCode" id="cb9"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb9-1" title="1">results3 &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ssm_analyze.html">ssm_analyze</a></span>(jz2017, PA<span class="op">:</span>NO, <span class="kw"><a href="../reference/octants.html">octants</a></span>(), <span class="dt">measures =</span> NARPD)</a>
-<a class="sourceLine" id="cb9-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(results3)</a>
+<a class="sourceLine" id="cb9-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(results3)</a>
 <a class="sourceLine" id="cb9-3" title="3"><span class="co">#&gt; Call:</span></a>
 <a class="sourceLine" id="cb9-4" title="4"><span class="co">#&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), </span></a>
 <a class="sourceLine" id="cb9-5" title="5"><span class="co">#&gt;     measures = NARPD)</span></a>
@@ -466,6 +474,7 @@ <h2 class="hasAnchor">
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+
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@@ -483,13 +492,15 @@ <h2 class="hasAnchor">
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   <p>Developed by <a href="https://www.jmgirard.com">Jeffrey Girard</a>, <a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a>, <a href="https://www.personalityprocesses.com">Aidan Wright</a>.</p>
 </div>
 
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-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
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 <script src="../pkgdown.js"></script><!-- docsearch --><script src="../docsearch.js"></script><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/docsearch.js/2.6.1/docsearch.min.css" integrity="sha256-QOSRU/ra9ActyXkIBbiIB144aDBdtvXBcNc3OTNuX/Q=" crossorigin="anonymous">
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@@ -33,7 +40,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -126,7 +133,7 @@
   </a>
 </li>
       </ul>
-<form class="navbar-form navbar-right" role="search">
+<form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
 </div>
@@ -140,6 +147,7 @@
 <!--/.navbar -->
 
       
+
       </header><div class="row">
   <div class="col-md-9 contents">
     <div class="page-header toc-ignore">
@@ -153,12 +161,12 @@ <h1>Using Circumplex Instruments</h1>
 
     
     
-<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/library">library</a></span>(circumplex)</a></code></pre></div>
+<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span>(circumplex)</a></code></pre></div>
 <div id="overview-of-instrument-related-functions" class="section level2">
 <h2 class="hasAnchor">
 <a href="#overview-of-instrument-related-functions" class="anchor"></a>1. Overview of Instrument-related Functions</h2>
 <p>Although the circumplex package is capable of analyzing and visualizing data in a “source-agnostic” manner (i.e., without knowing what the numbers correspond to), it can be helpful to both the user and the package to have more contextual information about which instrument/questionnaire the data come from. For example, knowing the specific instrument used can enable the package to automatically score item-level responses and standardize these scores using normative data. Furthermore, a centralized repository of information about circumplex instruments would provide a convenient and accessible way for users to discover and begin using new instruments. To address these needs, a suite of new instrument-related functions (and underlying data to power them) was added to the circumplex package in version 0.2.0.</p>
-<p>The first part of this vignette will discuss how to preview the instruments currently available in the circumplex package, how to load information about a specific instrument for use in analysis, and how to extract general and specific information about that instrument. The following functions will be discussed: <code><a href="../reference/instruments.html">instruments()</a></code>, <code><a href="../reference/instrument.html">instrument()</a></code>, <code><a href="https://www.rdocumentation.org/packages/base/topics/print">print()</a></code>, <code><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary()</a></code>, <code><a href="../reference/scales.html">scales()</a></code>, <code><a href="../reference/items.html">items()</a></code>, <code><a href="../reference/anchors.html">anchors()</a></code>, <code><a href="../reference/norms.html">norms()</a></code>, and <code><a href="https://www.rdocumentation.org/packages/utils/topics/View">View()</a></code>.</p>
+<p>The first part of this vignette will discuss how to preview the instruments currently available in the circumplex package, how to load information about a specific instrument for use in analysis, and how to extract general and specific information about that instrument. The following functions will be discussed: <code><a href="../reference/instruments.html">instruments()</a></code>, <code><a href="../reference/instrument.html">instrument()</a></code>, <code><a href="https://rdrr.io/r/base/print.html">print()</a></code>, <code><a href="https://rdrr.io/r/base/summary.html">summary()</a></code>, <code><a href="../reference/scales.html">scales()</a></code>, <code><a href="../reference/items.html">items()</a></code>, <code><a href="../reference/anchors.html">anchors()</a></code>, <code><a href="../reference/norms.html">norms()</a></code>, and <code><a href="https://rdrr.io/r/utils/View.html">View()</a></code>.</p>
 <p>The second part of this vignette will discuss how to use the information about an instrument to transform and summarize circumplex data. It will demonstrate how to ipsatize item-level responses (i.e., apply deviation scoring across variables), how to calculate scale scores from item-level responses (with or without imputing/prorating missing values), and how to standardize scale scores using normative/comparison data. The following functions will be discussed: <code><a href="../reference/ipsatize.html">ipsatize()</a></code>, <code><a href="../reference/score.html">score()</a></code>, and <code><a href="../reference/standardize.html">standardize()</a></code>.</p>
 </div>
 <div id="loading-and-examining-instrument-objects" class="section level2">
@@ -188,21 +196,21 @@ <h3 class="hasAnchor">
 <div id="loading-a-specific-instrument" class="section level3">
 <h3 class="hasAnchor">
 <a href="#loading-a-specific-instrument" class="anchor"></a>Loading a specific instrument</h3>
-<p>To reduce loading time and memory usage, instrument information is not loaded into R’s memory when the circumplex package is loaded. Instead, instruments should be loaded into memory on an as-needed basis. As demonstrated below, this can be done by passing an instrument’s code (which we saw how to find in the last section) to the <code><a href="../reference/instrument.html">instrument()</a></code> function. We can then examine that instrument data using the <code><a href="https://www.rdocumentation.org/packages/base/topics/print">print()</a></code> function.</p>
+<p>To reduce loading time and memory usage, instrument information is not loaded into R’s memory when the circumplex package is loaded. Instead, instruments should be loaded into memory on an as-needed basis. As demonstrated below, this can be done by passing an instrument’s code (which we saw how to find in the last section) to the <code><a href="../reference/instrument.html">instrument()</a></code> function. We can then examine that instrument data using the <code><a href="https://rdrr.io/r/base/print.html">print()</a></code> function.</p>
 <div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw"><a href="../reference/instrument.html">instrument</a></span>(csip)</a>
-<a class="sourceLine" id="cb3-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(csip)</a>
+<a class="sourceLine" id="cb3-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(csip)</a>
 <a class="sourceLine" id="cb3-3" title="3"><span class="co">#&gt; CSIP: Circumplex Scales of Interpersonal Problems</span></a>
 <a class="sourceLine" id="cb3-4" title="4"><span class="co">#&gt; 64 items, 8 scales, 1 normative data sets</span></a>
 <a class="sourceLine" id="cb3-5" title="5"><span class="co">#&gt; Boudreaux, Ozer, Oltmanns, &amp; Wright (2018)</span></a>
 <a class="sourceLine" id="cb3-6" title="6"><span class="co">#&gt; &lt;https://doi.org/10.1037/pas0000505&gt;</span></a></code></pre></div>
-<p>Note, however, that an error will result if the <code><a href="https://www.rdocumentation.org/packages/base/topics/print">print()</a></code> function (or any of the functions to be described later) is called before the <code><a href="../reference/instrument.html">instrument()</a></code> function has loaded the data. Order of operations is important!</p>
-<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(isc)</a>
+<p>Note, however, that an error will result if the <code><a href="https://rdrr.io/r/base/print.html">print()</a></code> function (or any of the functions to be described later) is called before the <code><a href="../reference/instrument.html">instrument()</a></code> function has loaded the data. Order of operations is important!</p>
+<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(isc)</a>
 <a class="sourceLine" id="cb4-2" title="2"><span class="co">#&gt; ISC: Interpersonal Sensitivities Circumplex</span></a>
 <a class="sourceLine" id="cb4-3" title="3"><span class="co">#&gt; 64 items, 8 scales, 1 normative data sets</span></a>
 <a class="sourceLine" id="cb4-4" title="4"><span class="co">#&gt; Hopwood et al. (2011)</span></a>
 <a class="sourceLine" id="cb4-5" title="5"><span class="co">#&gt; &lt;https://doi.org/10.1111/j.1467-6494.2011.00696.x&gt;</span></a></code></pre></div>
 <div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" title="1"><span class="kw"><a href="../reference/instrument.html">instrument</a></span>(isc)</a>
-<a class="sourceLine" id="cb5-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(isc)</a>
+<a class="sourceLine" id="cb5-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(isc)</a>
 <a class="sourceLine" id="cb5-3" title="3"><span class="co">#&gt; ISC: Interpersonal Sensitivities Circumplex</span></a>
 <a class="sourceLine" id="cb5-4" title="4"><span class="co">#&gt; 64 items, 8 scales, 1 normative data sets</span></a>
 <a class="sourceLine" id="cb5-5" title="5"><span class="co">#&gt; Hopwood et al. (2011)</span></a>
@@ -211,9 +219,9 @@ <h3 class="hasAnchor">
 <div id="examining-an-instrument-in-depth" class="section level3">
 <h3 class="hasAnchor">
 <a href="#examining-an-instrument-in-depth" class="anchor"></a>Examining an instrument in-depth</h3>
-<p>To examine the information available about a loaded instrument, there are several options. To print a long list of formatted information about the instrument, use the <code><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary()</a></code> function. This will return the same information returned by <code><a href="https://www.rdocumentation.org/packages/base/topics/print">print()</a></code>, followed by information about the instrument’s scales, rating scale anchors, items, and normative data set(s). The summary of each instrument is also available from the package <a href="https://circumplex.jmgirard.com/reference/index.html#section-instrument-data">reference</a> page.</p>
+<p>To examine the information available about a loaded instrument, there are several options. To print a long list of formatted information about the instrument, use the <code><a href="https://rdrr.io/r/base/summary.html">summary()</a></code> function. This will return the same information returned by <code><a href="https://rdrr.io/r/base/print.html">print()</a></code>, followed by information about the instrument’s scales, rating scale anchors, items, and normative data set(s). The summary of each instrument is also available from the package <a href="https://circumplex.jmgirard.com/reference/index.html#section-instrument-data">reference</a> page.</p>
 <div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1"><span class="kw"><a href="../reference/instrument.html">instrument</a></span>(<span class="st">"ipipipc"</span>)</a>
-<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/summary">summary</a></span>(ipipipc)</a>
+<a class="sourceLine" id="cb6-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/summary.html">summary</a></span>(ipipipc)</a>
 <a class="sourceLine" id="cb6-3" title="3"><span class="co">#&gt; IPIP-IPC: IPIP Interpersonal Circumplex</span></a>
 <a class="sourceLine" id="cb6-4" title="4"><span class="co">#&gt; 32 items, 8 scales, 1 normative data sets</span></a>
 <a class="sourceLine" id="cb6-5" title="5"><span class="co">#&gt; Markey &amp; Markey (2009)</span></a>
@@ -330,8 +338,8 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb9-40" title="40"><span class="co">#&gt;     13. Start conversations</span></a>
 <a class="sourceLine" id="cb9-41" title="41"><span class="co">#&gt;     21. Talk to a lot of different people at parties</span></a>
 <a class="sourceLine" id="cb9-42" title="42"><span class="co">#&gt;     29. Love large parties</span></a></code></pre></div>
-<p>An additional, though advanced, option for examining the available information about an instrument is to explore the instrument object itself. This can be done within R using the <code><a href="https://www.rdocumentation.org/packages/utils/topics/View">View()</a></code> function. Note that the first letter in this function (V) must be capitalized. This will open up a data viewer window like the one shown below; it will give you full access to the information stored by the package, albeit in a “raw” format. Don’t worry if the image below is confusing or overwhelming; you never have to see it again unless you want to!</p>
-<div class="sourceCode" id="cb10"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb10-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/View">View</a></span>(ipipipc)</a></code></pre></div>
+<p>An additional, though advanced, option for examining the available information about an instrument is to explore the instrument object itself. This can be done within R using the <code><a href="https://rdrr.io/r/utils/View.html">View()</a></code> function. Note that the first letter in this function (V) must be capitalized. This will open up a data viewer window like the one shown below; it will give you full access to the information stored by the package, albeit in a “raw” format. Don’t worry if the image below is confusing or overwhelming; you never have to see it again unless you want to!</p>
+<div class="sourceCode" id="cb10"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb10-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/View.html">View</a></span>(ipipipc)</a></code></pre></div>
 <p><img src="view_ipipipc.png" width="100%"></p>
 </div>
 </div>
@@ -341,8 +349,8 @@ <h2 class="hasAnchor">
 <p>It is a good idea in practice to digitize and save each participant’s response to each item on an instrument, rather than just their scores on each scale. Having access to item-level data will make it easier to spot and correct mistakes, will enable more advanced analysis of missing data, and will enable latent variable models that account for measurement error (e.g., structural equation modeling). Furthermore, the functions described below will make it easy to transform and summarize such item-level data into scale scores.</p>
 <p>First, however, we need to make sure the item-level data is in the expected format. Your data should be stored in a data frame where each row corresponds to one observation (e.g., participant, organization, or timepoint) and each column corresponds to one variable describing these observations (e.g., item responses, demographic characteristics, scale scores). The <a href="https://www.tidyverse.org">tidyverse</a> packages provide excellent tools for getting your data into this format from a variety of different file types and formats.</p>
 <p>For the purpose of illustration, we will work with a small-scale data set, which includes item-level responses to the Inventory of Interpersonal Problems, Short Circumplex (IIP-SC) for just 10 participants. As will become important later on, this data set contains a small amount of missing values (represented as <code>NA</code>). This data set is included as part of the circumplex package and can be loaded and previewed as follows:</p>
-<div class="sourceCode" id="cb11"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb11-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"raw_iipsc"</span>)</a>
-<a class="sourceLine" id="cb11-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(raw_iipsc)</a>
+<div class="sourceCode" id="cb11"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb11-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"raw_iipsc"</span>)</a>
+<a class="sourceLine" id="cb11-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(raw_iipsc)</a>
 <a class="sourceLine" id="cb11-3" title="3"><span class="co">#&gt; # A tibble: 10 x 32</span></a>
 <a class="sourceLine" id="cb11-4" title="4"><span class="co">#&gt;    IIP01 IIP02 IIP03 IIP04 IIP05 IIP06 IIP07 IIP08 IIP09 IIP10 IIP11 IIP12</span></a>
 <a class="sourceLine" id="cb11-5" title="5"><span class="co">#&gt;    &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt;</span></a>
@@ -366,7 +374,7 @@ <h3 class="hasAnchor">
 <a href="#ipsatizing-item-level-data" class="anchor"></a>Ipsatizing item-level data</h3>
 <p>For some forms of circumplex data analysis (e.g., analysis of circumplex fit) but not others (e.g., structural summary method), it can be helpful to transform item-level responses by subtracting each participant’s mean across all items from his or her response on each item. This practice is called “ipsatizing” or, more precisely, deviation scoring across variables. This practice will attenuate the general factor across all items and recasts the item-level responses as deviations from one’s own mean rather than absolute responses. To perform ipsatizing and create a new set of ipsatized responses to each item, use the <code><a href="../reference/ipsatize.html">ipsatize()</a></code> function.</p>
 <div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb12-1" title="1">ips_iipsc &lt;-<span class="st"> </span><span class="kw"><a href="../reference/ipsatize.html">ipsatize</a></span>(<span class="dt">.data =</span> raw_iipsc, <span class="dt">items =</span> IIP01<span class="op">:</span>IIP32, <span class="dt">na.rm =</span> <span class="ot">TRUE</span>, <span class="dt">overwrite =</span> <span class="ot">TRUE</span>)</a>
-<a class="sourceLine" id="cb12-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(ips_iipsc)</a>
+<a class="sourceLine" id="cb12-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(ips_iipsc)</a>
 <a class="sourceLine" id="cb12-3" title="3"><span class="co">#&gt; # A tibble: 10 x 32</span></a>
 <a class="sourceLine" id="cb12-4" title="4"><span class="co">#&gt;      IIP01   IIP02  IIP03  IIP04  IIP05   IIP06  IIP07   IIP08   IIP09</span></a>
 <a class="sourceLine" id="cb12-5" title="5"><span class="co">#&gt;      &lt;dbl&gt;   &lt;dbl&gt;  &lt;dbl&gt;  &lt;dbl&gt;  &lt;dbl&gt;   &lt;dbl&gt;  &lt;dbl&gt;   &lt;dbl&gt;   &lt;dbl&gt;</span></a>
@@ -386,10 +394,10 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb12-19" title="19"><span class="co">#&gt; #   IIP23 &lt;dbl&gt;, IIP24 &lt;dbl&gt;, IIP25 &lt;dbl&gt;, IIP26 &lt;dbl&gt;, IIP27 &lt;dbl&gt;,</span></a>
 <a class="sourceLine" id="cb12-20" title="20"><span class="co">#&gt; #   IIP28 &lt;dbl&gt;, IIP29 &lt;dbl&gt;, IIP30 &lt;dbl&gt;, IIP31 &lt;dbl&gt;, IIP32 &lt;dbl&gt;</span></a></code></pre></div>
 <p>Above, we told the function to overwrite the original item variables with their ipsatized versions; new ipsatized variables (ending in <code>_i</code>) could have been appended to the data frame instead by changing the <code>overwrite</code> argument to <code>FALSE</code>. We also told it to calculate the mean for each observation after ignoring any missing values. We could have changed this by setting the <code>na.rm</code> argument to <code>FALSE</code>.</p>
-<p>We can check that the ipsatization was successful by calculating the mean of each row (i.e., each participant’s mean response) in the original and ipsatized data frames. We do this below using the <code><a href="https://www.rdocumentation.org/packages/base/topics/colSums">rowMeans()</a></code> function; we also apply the <code><a href="https://www.rdocumentation.org/packages/base/topics/Round">round()</a></code> function to make the results fit on one row. As expected, we find below that the mean of each participant is zero in the ipsatized data frame but not in the original.</p>
-<div class="sourceCode" id="cb13"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb13-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/Round">round</a></span>(<span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/colSums">rowMeans</a></span>(raw_iipsc, <span class="dt">na.rm =</span> <span class="ot">TRUE</span>), <span class="dv">2</span>)</a>
+<p>We can check that the ipsatization was successful by calculating the mean of each row (i.e., each participant’s mean response) in the original and ipsatized data frames. We do this below using the <code><a href="https://rdrr.io/r/base/colSums.html">rowMeans()</a></code> function; we also apply the <code><a href="https://rdrr.io/r/base/Round.html">round()</a></code> function to make the results fit on one row. As expected, we find below that the mean of each participant is zero in the ipsatized data frame but not in the original.</p>
+<div class="sourceCode" id="cb13"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb13-1" title="1"><span class="kw"><a href="https://rdrr.io/r/base/Round.html">round</a></span>(<span class="kw"><a href="https://rdrr.io/r/base/colSums.html">rowMeans</a></span>(raw_iipsc, <span class="dt">na.rm =</span> <span class="ot">TRUE</span>), <span class="dv">2</span>)</a>
 <a class="sourceLine" id="cb13-2" title="2"><span class="co">#&gt;  [1] 1.00 0.94 1.41 2.29 0.62 0.28 0.50 0.74 0.97 0.22</span></a>
-<a class="sourceLine" id="cb13-3" title="3"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/Round">round</a></span>(<span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/colSums">rowMeans</a></span>(ips_iipsc, <span class="dt">na.rm =</span> <span class="ot">TRUE</span>), <span class="dv">2</span>)</a>
+<a class="sourceLine" id="cb13-3" title="3"><span class="kw"><a href="https://rdrr.io/r/base/Round.html">round</a></span>(<span class="kw"><a href="https://rdrr.io/r/base/colSums.html">rowMeans</a></span>(ips_iipsc, <span class="dt">na.rm =</span> <span class="ot">TRUE</span>), <span class="dv">2</span>)</a>
 <a class="sourceLine" id="cb13-4" title="4"><span class="co">#&gt;  [1] 0 0 0 0 0 0 0 0 0 0</span></a></code></pre></div>
 </div>
 <div id="scoring-item-level-data" class="section level3">
@@ -410,7 +418,7 @@ <h3 class="hasAnchor">
 <p>Although calculating the arithmetic mean of a handful of items is not terribly difficult mathematically, doing so manually (e.g., by hand) across multiple scales and multiple participants can be tedious and error-prone. To address these issues, the circumplex package offers the <code><a href="../reference/score.html">score()</a></code> function, which automatically calculates scale scores from item-level data.</p>
 <p>To demonstrate, let’s return to the <code>raw_iipsc</code> data set. We need to give the <code><a href="../reference/score.html">score()</a></code> function a data frame containing the item-level data (i.e., the data set), a list of variables from that data frame that contain the item-level responses to be scored, and an instrument object containing instructions on how to score the data. In order for scoring to work properly, <strong>the list of items must be in ascending order from the first to the last item and the ordering of the items must be the same as that assumed by the package</strong>. Be sure to check your item numbers against those displayed by the <code><a href="../reference/items.html">items()</a></code> function, especially if you shuffle your items.</p>
 <div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb15-1" title="1">scale_scores &lt;-<span class="st"> </span><span class="kw"><a href="../reference/score.html">score</a></span>(<span class="dt">.data =</span> raw_iipsc, <span class="dt">items =</span> IIP01<span class="op">:</span>IIP32, <span class="dt">instrument =</span> iipsc)</a>
-<a class="sourceLine" id="cb15-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(scale_scores)</a>
+<a class="sourceLine" id="cb15-2" title="2"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(scale_scores)</a>
 <a class="sourceLine" id="cb15-3" title="3"><span class="co">#&gt; # A tibble: 10 x 40</span></a>
 <a class="sourceLine" id="cb15-4" title="4"><span class="co">#&gt;    IIP01 IIP02 IIP03 IIP04 IIP05 IIP06 IIP07 IIP08 IIP09 IIP10 IIP11 IIP12</span></a>
 <a class="sourceLine" id="cb15-5" title="5"><span class="co">#&gt;    &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt;</span></a>
@@ -470,7 +478,7 @@ <h3 class="hasAnchor">
 <a class="sourceLine" id="cb18-5" title="5">  <span class="dt">instrument =</span> iipsc,</a>
 <a class="sourceLine" id="cb18-6" title="6">  <span class="dt">sample =</span> <span class="dv">1</span></a>
 <a class="sourceLine" id="cb18-7" title="7">)</a>
-<a class="sourceLine" id="cb18-8" title="8"><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/print">print</a></span>(z_scales)</a>
+<a class="sourceLine" id="cb18-8" title="8"><span class="kw"><a href="https://rdrr.io/r/base/print.html">print</a></span>(z_scales)</a>
 <a class="sourceLine" id="cb18-9" title="9"><span class="co">#&gt; # A tibble: 10 x 48</span></a>
 <a class="sourceLine" id="cb18-10" title="10"><span class="co">#&gt;    IIP01 IIP02 IIP03 IIP04 IIP05 IIP06 IIP07 IIP08 IIP09 IIP10 IIP11 IIP12</span></a>
 <a class="sourceLine" id="cb18-11" title="11"><span class="co">#&gt;    &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt; &lt;dbl&gt;</span></a>
@@ -517,6 +525,7 @@ <h2 class="hasAnchor">
   </div>
 
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
+
         <div id="tocnav">
       <h2 class="hasAnchor">
 <a href="#tocnav" class="anchor"></a>Contents</h2>
@@ -532,13 +541,15 @@ <h2 class="hasAnchor">
 </div>
 
 
+
       <footer><div class="copyright">
   <p>Developed by <a href="https://www.jmgirard.com">Jeffrey Girard</a>, <a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a>, <a href="https://www.personalityprocesses.com">Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
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diff --git a/docs/authors.html b/docs/authors.html
index 63df5d7b..6d3cd0b4 100644
--- a/docs/authors.html
+++ b/docs/authors.html
@@ -8,21 +8,32 @@
 
 <title>Authors • circumplex</title>
 
+<!-- favicons -->
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+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
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@@ -36,13 +47,14 @@
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-<meta property="og:title" content="Authors" />
 
+<meta property="og:title" content="Authors" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
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@@ -53,6 +65,7 @@
 <![endif]-->
 
 
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@@ -69,7 +82,7 @@
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       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
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@@ -154,7 +167,6 @@
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 </li>
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@@ -164,7 +176,7 @@
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-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
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@@ -175,6 +187,7 @@
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 <div class="row">
@@ -185,15 +198,15 @@ <h1>Authors</h1>
 
     <ul class="list-unstyled">
       <li>
-        <p><strong><a href='https://www.jmgirard.com'>Jeffrey Girard</a></strong>. Author, maintainer. <a href='https://orcid.org/0000-0002-7359-3746' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID' height='16'></a>
+        <p><strong><a href='https://www.jmgirard.com'>Jeffrey Girard</a></strong>. Author, maintainer. <a href='https://orcid.org/0000-0002-7359-3746' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID'></a>
         </p>
       </li>
       <li>
-        <p><strong><a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a></strong>. Author. <a href='https://orcid.org/0000-0001-6975-2356' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID' height='16'></a>
+        <p><strong><a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a></strong>. Author. <a href='https://orcid.org/0000-0001-6975-2356' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID'></a>
         </p>
       </li>
       <li>
-        <p><strong><a href='https://www.personalityprocesses.com'>Aidan Wright</a></strong>. Author. <a href='https://orcid.org/0000-0002-2369-0601' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID' height='16'></a>
+        <p><strong><a href='https://www.personalityprocesses.com'>Aidan Wright</a></strong>. Author. <a href='https://orcid.org/0000-0002-2369-0601' target='orcid.widget'><img src='https://members.orcid.org/sites/default/files/vector_iD_icon.svg' class='orcid' alt='ORCID'></a>
         </p>
       </li>
     </ul>
@@ -203,14 +216,16 @@ <h1>Authors</h1>
 </div>
 
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -233,6 +248,8 @@ <h1>Authors</h1>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/docsearch.json b/docs/docsearch.json
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diff --git a/docs/index.html b/docs/index.html
index 88cdc207..916f3eac 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,9 +6,16 @@
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Analysis and Visualization of Circular Data • circumplex</title>
+<!-- favicons --><link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
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 <!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script><!-- Bootstrap --><link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
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-<!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script><!-- sticky kit --><script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script><!-- pkgdown --><link href="pkgdown.css" rel="stylesheet">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous">
+<!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="pkgdown.css" rel="stylesheet">
 <script src="pkgdown.js"></script><!-- docsearch --><script src="docsearch.js"></script><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/docsearch.js/2.6.1/docsearch.min.css" integrity="sha256-QOSRU/ra9ActyXkIBbiIB144aDBdtvXBcNc3OTNuX/Q=" crossorigin="anonymous">
 <link href="docsearch.css" rel="stylesheet">
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script><meta property="og:title" content="Analysis and Visualization of Circular Data">
@@ -27,7 +34,7 @@
 <![endif]-->
 </head>
 <body>
-    <div class="container template-article">
+    <div class="container template-home">
       <header><div class="navbar navbar-default navbar-fixed-top" role="navigation">
   <div class="container">
     <div class="navbar-header">
@@ -39,7 +46,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -132,7 +139,7 @@
   </a>
 </li>
       </ul>
-<form class="navbar-form navbar-right" role="search">
+<form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
 </div>
@@ -146,16 +153,12 @@
 <!--/.navbar -->
 
       
-      </header><script src="index_files/kePrint-0.0.1/kePrint.js"></script><div class="row">
-  <div class="col-md-9 contents">
-    
 
-    
-    
-<!-- README.md is generated from README.Rmd. Please edit that file -->
-<div id="circumplex" class="section level1">
+      </header><div class="row">
+  <div class="contents col-md-9">
+<div id="circumplex-" class="section level1">
 <div class="page-header"><h1 class="hasAnchor">
-<a href="#circumplex" class="anchor"></a>circumplex <img src="reference/figures/logo.png" align="right" alt="">
+<a href="#circumplex-" class="anchor"></a>circumplex <img src="reference/figures/logo.png" align="right" alt="">
 </h1></div>
 
 <p>The goal of <em>circumplex</em> is to provide a powerful, flexible, and user-friendly way to analyze and visualize circumplex data. It was created and is maintained by <a href="https://jmgirard.com/">Jeffrey Girard</a>; it was inspired by work from and was developed under advisement from <a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a> and <a href="https://personalityprocesses.com/">Aidan Wright</a>. You can learn more about using this package through the vignette articles available on the <a href="https://circumplex.jmgirard.com/">package website</a> or through <code><a href="reference/circumplex-package.html">?circumplex</a></code>.</p>
@@ -163,100 +166,166 @@
 <h2 class="hasAnchor">
 <a href="#installation" class="anchor"></a>Installation</h2>
 <div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="co"># Install release version from CRAN</span></a>
-<a class="sourceLine" id="cb1-2" title="2"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/install.packages">install.packages</a></span>(<span class="st">"circumplex"</span>)</a>
+<a class="sourceLine" id="cb1-2" title="2"><span class="kw"><a href="https://rdrr.io/r/utils/install.packages.html">install.packages</a></span>(<span class="st">"circumplex"</span>)</a>
 <a class="sourceLine" id="cb1-3" title="3"></a>
 <a class="sourceLine" id="cb1-4" title="4"><span class="co"># Install development version from GitHub</span></a>
-<a class="sourceLine" id="cb1-5" title="5">devtools<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/devtools/topics/reexports">install_github</a></span>(<span class="st">"jmgirard/circumplex"</span>)</a></code></pre></div>
+<a class="sourceLine" id="cb1-5" title="5">devtools<span class="op">::</span><span class="kw"><a href="https://rdrr.io/pkg/devtools/man/remote-reexports.html">install_github</a></span>(<span class="st">"jmgirard/circumplex"</span>)</a></code></pre></div>
 </div>
 <div id="usage" class="section level2">
 <h2 class="hasAnchor">
 <a href="#usage" class="anchor"></a>Usage</h2>
-<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://www.rdocumentation.org/packages/utils/topics/data">data</a></span>(<span class="st">"jz2017"</span>)</a>
+<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw"><a href="https://rdrr.io/r/utils/data.html">data</a></span>(<span class="st">"jz2017"</span>)</a>
 <a class="sourceLine" id="cb2-2" title="2">results &lt;-<span class="st"> </span><span class="kw"><a href="reference/ssm_analyze.html">ssm_analyze</a></span>(</a>
 <a class="sourceLine" id="cb2-3" title="3">  <span class="dt">.data =</span> jz2017, </a>
-<a class="sourceLine" id="cb2-4" title="4">  <span class="dt">scales =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(PA, BC, DE, FG, HI, JK, LM, NO), </a>
-<a class="sourceLine" id="cb2-5" title="5">  <span class="dt">angles =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>), </a>
-<a class="sourceLine" id="cb2-6" title="6">  <span class="dt">measures =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/c">c</a></span>(NARPD, ASPD)</a>
+<a class="sourceLine" id="cb2-4" title="4">  <span class="dt">scales =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(PA, BC, DE, FG, HI, JK, LM, NO), </a>
+<a class="sourceLine" id="cb2-5" title="5">  <span class="dt">angles =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(<span class="dv">90</span>, <span class="dv">135</span>, <span class="dv">180</span>, <span class="dv">225</span>, <span class="dv">270</span>, <span class="dv">315</span>, <span class="dv">360</span>, <span class="dv">45</span>), </a>
+<a class="sourceLine" id="cb2-6" title="6">  <span class="dt">measures =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(NARPD, ASPD)</a>
 <a class="sourceLine" id="cb2-7" title="7">)</a></code></pre></div>
 <div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw"><a href="reference/ssm_table.html">ssm_table</a></span>(results)</a></code></pre></div>
-<table class="table table table">
+<table class="table table">
 <caption style="font-size: initial !important;">
+
 Correlation-based Structural Summary Statistics with 95% CIs
+
 </caption>
+
 <thead><tr>
 <th style="text-align:left;">
+
 Profile
+
 </th>
+
 <th style="text-align:left;">
+
 Elevation
+
 </th>
+
 <th style="text-align:left;">
+
 X-Value
+
 </th>
+
 <th style="text-align:left;">
+
 Y-Value
+
 </th>
+
 <th style="text-align:left;">
+
 Amplitude
+
 </th>
+
 <th style="text-align:left;">
+
 Displacement
+
 </th>
+
 <th style="text-align:left;">
+
 Fit
+
 </th>
+
 </tr></thead>
 <tbody>
 <tr>
 <td style="text-align:left;">
+
 NARPD
+
 </td>
+
 <td style="text-align:left;">
-0.20 [0.17, 0.24]
+
+0.20 \[0.17, 0.24\]
+
 </td>
+
 <td style="text-align:left;">
--0.06 [-0.09, -0.03]
+
+\-0.06 \[-0.09, -0.03\]
+
 </td>
+
 <td style="text-align:left;">
-0.18 [0.14, 0.21]
+
+0.18 \[0.14, 0.21\]
+
 </td>
+
 <td style="text-align:left;">
-0.19 [0.15, 0.23]
+
+0.19 \[0.15, 0.23\]
+
 </td>
+
 <td style="text-align:left;">
-109.0 [98.6, 118.5]
+
+109.0 \[98.6, 118.5\]
+
 </td>
+
 <td style="text-align:left;">
+
 0.957
+
 </td>
+
 </tr>
 <tr>
 <td style="text-align:left;">
+
 ASPD
+
 </td>
+
 <td style="text-align:left;">
-0.12 [0.09, 0.16]
+
+0.12 \[0.09, 0.16\]
+
 </td>
+
 <td style="text-align:left;">
--0.10 [-0.13, -0.06]
+
+\-0.10 \[-0.13, -0.06\]
+
 </td>
+
 <td style="text-align:left;">
-0.20 [0.17, 0.24]
+
+0.20 \[0.17, 0.24\]
+
 </td>
+
 <td style="text-align:left;">
-0.23 [0.19, 0.26]
+
+0.23 \[0.19, 0.26\]
+
 </td>
+
 <td style="text-align:left;">
-115.9 [107.3, 124.2]
+
+115.9 \[107.3, 124.2\]
+
 </td>
+
 <td style="text-align:left;">
+
 0.964
+
 </td>
+
 </tr>
 </tbody>
 </table>
 <div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1"><span class="kw"><a href="reference/ssm_plot.html">ssm_plot</a></span>(results)</a></code></pre></div>
-<p><img src="reference/figures/README-plot-1.png" width="700"></p>
+<p><img src="reference/figures/README-plot-1.png"><!-- --></p>
 </div>
 <div id="code-of-conduct" class="section level2">
 <h2 class="hasAnchor">
@@ -292,19 +361,26 @@ <h2>License</h2>
 <li><small><a href="https://www.r-project.org/Licenses/GPL-3">GPL-3</a></small></li>
 </ul>
 </div>
+<div class="community">
+<h2>Community</h2>
+<ul class="list-unstyled">
+<li><a href="CONTRIBUTING.html">Contributing guide</a></li>
+<li><a href="CODE_OF_CONDUCT.html">Code of conduct</a></li>
+</ul>
+</div>
 <div class="developers">
 <h2>Developers</h2>
 <ul class="list-unstyled">
 <li>
-<a href="https://www.jmgirard.com">Jeffrey Girard</a> <br><small class="roles"> Author, maintainer </small> <a href="https://orcid.org/0000-0002-7359-3746" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID" height="16"></a> </li>
+<a href="https://www.jmgirard.com">Jeffrey Girard</a> <br><small class="roles"> Author, maintainer </small> <a href="https://orcid.org/0000-0002-7359-3746" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID"></a> </li>
 <li>
-<a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a> <br><small class="roles"> Author </small> <a href="https://orcid.org/0000-0001-6975-2356" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID" height="16"></a> </li>
+<a href="https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html">Johannes Zimmermann</a> <br><small class="roles"> Author </small> <a href="https://orcid.org/0000-0001-6975-2356" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID"></a> </li>
 <li>
-<a href="https://www.personalityprocesses.com">Aidan Wright</a> <br><small class="roles"> Author </small> <a href="https://orcid.org/0000-0002-2369-0601" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID" height="16"></a> </li>
+<a href="https://www.personalityprocesses.com">Aidan Wright</a> <br><small class="roles"> Author </small> <a href="https://orcid.org/0000-0002-2369-0601" target="orcid.widget"><img src="https://members.orcid.org/sites/default/files/vector_iD_icon.svg" class="orcid" alt="ORCID"></a> </li>
 </ul>
 </div>
 
-      <div class="dev-status">
+  <div class="dev-status">
 <h2>Dev status</h2>
 <ul class="list-unstyled">
 <li><a href="https://cran.r-project.org/package=circumplex"><img src="https://www.r-pkg.org/badges/version/circumplex" alt="CRAN_Status_Badge"></a></li>
@@ -315,7 +391,6 @@ <h2>Dev status</h2>
 </ul>
 </div>
 </div>
-
 </div>
 
 
@@ -324,8 +399,9 @@ <h2>Dev status</h2>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
 </div>
 
diff --git a/docs/news/index.html b/docs/news/index.html
index f324f353..3128347c 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -8,21 +8,32 @@
 
 <title>Changelog • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Changelog" />
 
+<meta property="og:title" content="Changelog" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -184,6 +197,27 @@ <h1>Changelog <small></small></h1>
       <small>Source: <a href='https://github.com/jmgirard/circumplex/blob/master/NEWS.md'><code>NEWS.md</code></a></small>
     </div>
 
+    <div id="circumplex-development-version" class="section level1">
+<h1 class="page-header">
+<a href="#circumplex-development-version" class="anchor"></a>circumplex (development version)<small> Unreleased </small>
+</h1>
+<hr>
+</div>
+    <div id="circumplex-033" class="section level1">
+<h1 class="page-header">
+<a href="#circumplex-033" class="anchor"></a>circumplex 0.3.3<small> Unreleased </small>
+</h1>
+<div id="minor-improvements-and-fixes" class="section level2">
+<h2 class="hasAnchor">
+<a href="#minor-improvements-and-fixes" class="anchor"></a>Minor improvements and fixes</h2>
+<ul>
+<li><p>Add APA-style citations to instrument documentation in addition to DOI links.</p></li>
+<li><p>Add “Instruments” menu to package website for viewing documentation pages.</p></li>
+<li><p>Adjust the test of <code>quantile.radian()</code> to account for changes to <code><a href="https://rdrr.io/r/base/Arithmetic.html">%%</a></code> in R 3.7.0</p></li>
+</ul>
+<hr>
+</div>
+</div>
     <div id="circumplex-032" class="section level1">
 <h1 class="page-header">
 <a href="#circumplex-032" class="anchor"></a>circumplex 0.3.2<small> 2019-08-21 </small>
@@ -195,9 +229,9 @@ <h2 class="hasAnchor">
 <li>New <code>iitc</code> provides instrument information for the Inventory of Influence Tactics Circumplex.</li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes" class="section level2">
+<div id="minor-improvements-and-fixes-1" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-1" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p>Fix CRAN warnings by setting <code>LazyData: true</code>.</p></li>
 <li><p>Fix CRAN note by replacing relative URLs with absolute URLs.</p></li>
@@ -211,9 +245,9 @@ <h2 class="hasAnchor">
 <h1 class="page-header">
 <a href="#circumplex-031" class="anchor"></a>circumplex 0.3.1<small> 2019-05-15 </small>
 </h1>
-<div id="minor-improvements-and-fixes-1" class="section level2">
+<div id="minor-improvements-and-fixes-2" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-1" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-2" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p>Avoid a bug with dplyr 0.8.1 and S3 methods on Linux systems.</p></li>
 <li><p>Update the web address for Johannes in the README document.</p></li>
@@ -234,9 +268,9 @@ <h2 class="hasAnchor">
 <li><p>Added support for older versions of R (3.3.x).</p></li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes-2" class="section level2">
+<div id="minor-improvements-and-fixes-3" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-2" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-3" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p>Updated the “Introduction to SSM” vignette’s figures.</p></li>
 <li><p>Replaced use of <code><a href="https://dplyr.tidyverse.org/reference/funs.html">dplyr::funs()</a></code> as this function is being deprecated.</p></li>
@@ -260,9 +294,9 @@ <h2 class="hasAnchor">
 <li><p>Added open-access (i.e., full item text) to the <code>iis32</code> and <code>iis64</code>.</p></li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes-3" class="section level2">
+<div id="minor-improvements-and-fixes-4" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-3" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-4" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p><code>iis32</code> item ordering and scoring now match the author’s version.</p></li>
 <li><p><code>iis32</code> response anchors now range from 1 to 6 and match norms.</p></li>
@@ -285,9 +319,9 @@ <h2 class="hasAnchor">
 <li><p>Added function for standardizing scale-level data using normative data.</p></li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes-4" class="section level2">
+<div id="minor-improvements-and-fixes-5" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-4" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-5" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p>Changed OpenMP flags in Makevars to fix a compile problem on Debian machines.</p></li>
 <li><p>Fixed a bug related to calculating angular medians in the presence of NAs.</p></li>
@@ -312,9 +346,9 @@ <h2 class="hasAnchor">
 <code><a href="../reference/ssm_plot.html">ssm_plot()</a></code> now uses dashed borders to indicate that a profile has low prototypicality/fit.</li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes-5" class="section level2">
+<div id="minor-improvements-and-fixes-6" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-5" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-6" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li><p>Fixed bug that prevented compilation on Solaris systems.</p></li>
 <li><p>Fixed bug that prevented CRAN checks on old R versions.</p></li>
@@ -335,9 +369,9 @@ <h2 class="hasAnchor">
 <a href="https://circumplex.jmgirard.com">Package website</a> added using <a href="https://pkgdown.r-lib.org/">pkgdown</a>.</li>
 </ul>
 </div>
-<div id="minor-improvements-and-fixes-6" class="section level2">
+<div id="minor-improvements-and-fixes-7" class="section level2">
 <h2 class="hasAnchor">
-<a href="#minor-improvements-and-fixes-6" class="anchor"></a>Minor improvements and fixes</h2>
+<a href="#minor-improvements-and-fixes-7" class="anchor"></a>Minor improvements and fixes</h2>
 <ul>
 <li>Fixed documentation to meet CRAN standards.</li>
 </ul>
@@ -358,6 +392,8 @@ <h1 class="page-header">
     <div id="tocnav">
       <h2>Contents</h2>
       <ul class="nav nav-pills nav-stacked">
+        <li><a href="#circumplex-development-version">development version</a></li>
+        <li><a href="#circumplex-033">0.3.3</a></li>
         <li><a href="#circumplex-032">0.3.2</a></li>
         <li><a href="#circumplex-031">0.3.1</a></li>
         <li><a href="#circumplex-030">0.3.0</a></li>
@@ -372,14 +408,16 @@ <h2>Contents</h2>
 
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -402,6 +440,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/pkgdown.css b/docs/pkgdown.css
index c03fb08d..91459581 100644
--- a/docs/pkgdown.css
+++ b/docs/pkgdown.css
@@ -21,8 +21,6 @@ body > .container {
   display: flex;
   height: 100%;
   flex-direction: column;
-
-  padding-top: 60px;
 }
 
 body > .container .row {
@@ -102,21 +100,13 @@ a.anchor {
   margin-top: -40px;
 }
 
-/* Static header placement on mobile devices */
-@media (max-width: 767px) {
-  .navbar-fixed-top {
-    position: absolute;
-  }
-  .navbar {
-    padding: 0;
-  }
-}
-
-
 /* Sidebar --------------------------*/
 
 #sidebar {
   margin-top: 30px;
+  position: -webkit-sticky;
+  position: sticky;
+  top: 70px;
 }
 #sidebar h2 {
   font-size: 1.5em;
@@ -133,6 +123,9 @@ a.anchor {
 
 .orcid {
   height: 16px;
+  /* margins are required by official ORCID trademark and display guidelines */
+  margin-left:4px;
+  margin-right:4px;
   vertical-align: middle;
 }
 
@@ -222,6 +215,19 @@ a.sourceLine:hover {
   visibility: visible;
 }
 
+/* headroom.js ------------------------ */
+
+.headroom {
+  will-change: transform;
+  transition: transform 200ms linear;
+}
+.headroom--pinned {
+  transform: translateY(0%);
+}
+.headroom--unpinned {
+  transform: translateY(-100%);
+}
+
 /* mark.js ----------------------------*/
 
 mark {
@@ -234,3 +240,17 @@ mark {
 .html-widget {
   margin-bottom: 10px;
 }
+
+/* fontawesome ------------------------ */
+
+.fab {
+    font-family: "Font Awesome 5 Brands" !important;
+}
+
+/* don't display links in code chunks when printing */
+/* source: https://stackoverflow.com/a/10781533 */
+@media print {
+  code a:link:after, code a:visited:after {
+    content: "";
+  }
+}
diff --git a/docs/pkgdown.js b/docs/pkgdown.js
index eb7e83d2..087a7622 100644
--- a/docs/pkgdown.js
+++ b/docs/pkgdown.js
@@ -2,14 +2,12 @@
 (function($) {
   $(function() {
 
-    $("#sidebar")
-      .stick_in_parent({offset_top: 40})
-      .on('sticky_kit:bottom', function(e) {
-        $(this).parent().css('position', 'static');
-      })
-      .on('sticky_kit:unbottom', function(e) {
-        $(this).parent().css('position', 'relative');
-      });
+    $('.navbar-fixed-top').headroom();
+
+    $('body').css('padding-top', $('.navbar').height() + 10);
+    $(window).resize(function(){
+      $('body').css('padding-top', $('.navbar').height() + 10);
+    });
 
     $('body').scrollspy({
       target: '#sidebar',
diff --git a/docs/pkgdown.yml b/docs/pkgdown.yml
index eeefc97e..e7af1fd3 100644
--- a/docs/pkgdown.yml
+++ b/docs/pkgdown.yml
@@ -1,5 +1,5 @@
 pandoc: 2.7.2
-pkgdown: 1.3.0
+pkgdown: 1.4.1
 pkgdown_sha: ~
 articles:
   intermediate-ssm-analysis: intermediate-ssm-analysis.html
diff --git a/docs/reference/anchors.html b/docs/reference/anchors.html
index b4c8f6fe..09d97f08 100644
--- a/docs/reference/anchors.html
+++ b/docs/reference/anchors.html
@@ -8,21 +8,32 @@
 
 <title>Display the anchors of a circumplex instrument — anchors • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Display the anchors of a circumplex instrument — anchors" />
 
+<meta property="og:title" content="Display the anchors of a circumplex instrument — anchors" />
 <meta property="og:description" content="Display the anchors of a circumplex instrument including the total number of
 anchors and each anchor's numerical value and text label. Anchors are the
 response options that respondants select from (e.g., 0 = No, 1 = Yes)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,15 +202,13 @@ <h1>Display the anchors of a circumplex instrument</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Display the anchors of a circumplex instrument including the total number of
 anchors and each anchor's numerical value and text label. Anchors are the
 response options that respondants select from (e.g., 0 = No, 1 = Yes).</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>anchors</span>(<span class='no'>x</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -207,17 +217,15 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
       <td><p>Required. An object of the instrument class.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>The same input object. Prints text to console.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='instruments.html'>instruments</a></code>,
   <code><a href='instrument.html'>instrument</a></code>, <code><a href='items.html'>items</a></code>,
   <code><a href='norms.html'>norms</a></code>, <code><a href='scales.html'>scales</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='no'>csip</span>)
@@ -231,25 +239,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -272,6 +279,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/aw2009.html b/docs/reference/aw2009.html
index f86fdf40..63a108a2 100644
--- a/docs/reference/aw2009.html
+++ b/docs/reference/aw2009.html
@@ -8,21 +8,32 @@
 
 <title>Standardized octant scores on hypothetical circumplex scales — aw2009 • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Standardized octant scores on hypothetical circumplex scales — aw2009" />
 
+<meta property="og:title" content="Standardized octant scores on hypothetical circumplex scales — aw2009" />
 <meta property="og:description" content="A small example dataset containing standardized scores on eight hypothetical
 circumplex scales. Taken from Wright, Pincus, Conroy, &amp;amp; Hilsenroth (2009)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,14 +201,13 @@ <h1>Standardized octant scores on hypothetical circumplex scales</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>A small example dataset containing standardized scores on eight hypothetical
 circumplex scales. Taken from Wright, Pincus, Conroy, &amp; Hilsenroth (2009).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>aw2009</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>A data frame with 5 observations and 8 variables:</p><dl class='dl-horizontal'>
@@ -208,34 +219,33 @@ <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h
 <dt>JK</dt><dd><p>circumplex scale at 315 degrees</p></dd>
 <dt>LM</dt><dd><p>circumplex scale at 360 degrees</p></dd>
 <dt>NO</dt><dd><p>circumplex scale at 45 degrees</p></dd>
+
 </dl>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p><a href='https://doi.org/10.1080/00223890902935696'>https://doi.org/10.1080/00223890902935696</a></p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -258,6 +268,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/circumplex-package.html b/docs/reference/circumplex-package.html
index cfb4c4ea..2b4249f7 100644
--- a/docs/reference/circumplex-package.html
+++ b/docs/reference/circumplex-package.html
@@ -8,21 +8,32 @@
 
 <title>Analysis and visualization of circumplex data — circumplex-package • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Analysis and visualization of circumplex data — circumplex-package" />
 
+<meta property="og:title" content="Analysis and visualization of circumplex data — circumplex-package" />
 <meta property="og:description" content="circumplex provides functions for analyzing and visualizing circumplex data." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,12 +200,11 @@ <h1>Analysis and visualization of circumplex data</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>circumplex provides functions for analyzing and visualizing circumplex data.</p>
-    
     </div>
 
-        
+
+
     <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>
 
     <p>Its goal is to unify, modernize, and extend existing methods of working with
@@ -207,26 +218,25 @@ <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details
 <li><p><strong>Consistency:</strong> unit-tested quality control; firm naming conventions;
 data flows between functions</p></li>
 </ul>
-    <p>To learn more about circumplex, start with the vignettes:
-<code><a href='https://www.rdocumentation.org/packages/utils/topics/browseVignettes'>browseVignettes(package = "circumplex")</a></code></p>
-    
+
+<p>To learn more about circumplex, start with the vignettes:
+<code><a href='https://rdrr.io/r/utils/browseVignettes.html'>browseVignettes(package = "circumplex")</a></code></p>
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Useful links:</p><ul>
 <li><p><a href='https://github.com/jmgirard/circumplex'>https://github.com/jmgirard/circumplex</a></p></li>
 <li><p>Report bugs at <a href='https://github.com/jmgirard/circumplex/issues'>https://github.com/jmgirard/circumplex/issues</a></p></li>
-</ul></div>
-    
+</ul>
+
+</div>
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#details">Details</a></li>
-
       <li><a href="#see-also">See also</a></li>
-          </ul>
+    </ul>
 
     <h2>Author</h2>
     <p><strong>Maintainer</strong>: Jeffrey Girard <a href='mailto:me@jmgirard.com'>me@jmgirard.com</a> (0000-0002-7359-3746)</p>
@@ -239,14 +249,16 @@ <h2>Author</h2>
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -269,6 +281,8 @@ <h2>Author</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/csie.html b/docs/reference/csie.html
index c48cf224..886e2567 100644
--- a/docs/reference/csie.html
+++ b/docs/reference/csie.html
@@ -8,21 +8,32 @@
 
 <title>Circumplex Scales of Interpersonal Efficacy — csie • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
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+
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+<!-- headroom.js -->
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@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Circumplex Scales of Interpersonal Efficacy — csie" />
 
+<meta property="og:title" content="Circumplex Scales of Interpersonal Efficacy — csie" />
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@@ -55,6 +66,7 @@
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+
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@@ -71,7 +83,7 @@
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         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
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@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
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@@ -177,6 +188,7 @@
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 <div class="row">
@@ -188,17 +200,15 @@ <h1>Circumplex Scales of Interpersonal Efficacy</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Circumplex Scales of Interpersonal Efficacy (CSIE).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>csie</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Locke, K. D., &amp; Sadler, P. (2007). Self-efficacy, values, and
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 social-cognitive theory. <em>Personality and Social Psychology Bulletin,
 33</em>(1), 94-109. <a href='https://doi.org/10/bzgf6p'>https://doi.org/10/bzgf6p</a></p>
 <p><a href='https://www.webpages.uidaho.edu/klocke/csie.htm'>https://www.webpages.uidaho.edu/klocke/csie.htm</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"csie"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>csie</span>)</div><div class='output co'>#&gt; CSIE: Circumplex Scales of Interpersonal Efficacy
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>csie</span>)</div><div class='output co'>#&gt; CSIE: Circumplex Scales of Interpersonal Efficacy
 #&gt; 32 items, 8 scales, 1 normative data sets
 #&gt; Locke &amp; Sadler (2007)
 #&gt; &lt;https://doi.org/10.1177/0146167206293375&gt;
@@ -320,25 +329,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -361,6 +369,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/csig.html b/docs/reference/csig.html
index 98fd4ef6..49649c04 100644
--- a/docs/reference/csig.html
+++ b/docs/reference/csig.html
@@ -8,21 +8,32 @@
 
 <title>Circumplex Scales of Intergroup Goals — csig • circumplex</title>
 
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-<meta property="og:title" content="Circumplex Scales of Intergroup Goals — csig" />
 
+<meta property="og:title" content="Circumplex Scales of Intergroup Goals — csig" />
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 <meta name="twitter:card" content="summary" />
 
 
 
+
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
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-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,17 +200,15 @@ <h1>Circumplex Scales of Intergroup Goals</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Circumplex Scales of Intergroup Goals (CSIG).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>csig</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Locke, K. D. (2014). Circumplex scales of intergroup goals: An
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 <em>Personality and Social Psychology Bulletin, 40</em>(4), 433-449.
 <a href='https://doi.org/10/gfrkjd'>https://doi.org/10/gfrkjd</a></p>
 <p><a href='https://www.webpages.uidaho.edu/klocke/csig.htm'>https://www.webpages.uidaho.edu/klocke/csig.htm</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"csig"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>csig</span>)</div><div class='output co'>#&gt; CSIG: Circumplex Scales of Intergroup Goals
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>csig</span>)</div><div class='output co'>#&gt; CSIG: Circumplex Scales of Intergroup Goals
 #&gt; 32 items, 8 scales, 1 normative data sets
 #&gt; Locke (2014)
 #&gt; &lt;https://doi.org/10.1177/0146167213514280&gt;
@@ -314,25 +323,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -355,6 +363,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/csip.html b/docs/reference/csip.html
index 54763f31..79bf00fc 100644
--- a/docs/reference/csip.html
+++ b/docs/reference/csip.html
@@ -8,21 +8,32 @@
 
 <title>Circumplex Scales of Interpersonal Problems — csip • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
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+
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+
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+<meta property="og:title" content="Circumplex Scales of Interpersonal Problems — csip" />
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+
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
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   <body>
@@ -71,7 +83,7 @@
       </button>
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         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
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 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,17 +200,15 @@ <h1>Circumplex Scales of Interpersonal Problems</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Circumplex Scales of Interpersonal Problems (CSIP).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>csip</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Boudreaux, M. J., Ozer, D. J., Oltmanns, T. F., &amp; Wright, A. G. C.
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 interpersonal problems. <em>Psychological Assessment, 30</em>(5), 594-609.
 <a href='https://doi.org/10/gdkhdp'>https://doi.org/10/gdkhdp</a></p>
 <p><a href='https://doi.org/10.1037/pas0000505'>https://doi.org/10.1037/pas0000505</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"csip"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>csip</span>)</div><div class='output co'>#&gt; CSIP: Circumplex Scales of Interpersonal Problems
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>csip</span>)</div><div class='output co'>#&gt; CSIP: Circumplex Scales of Interpersonal Problems
 #&gt; 64 items, 8 scales, 1 normative data sets
 #&gt; Boudreaux, Ozer, Oltmanns, &amp; Wright (2018)
 #&gt; &lt;https://doi.org/10.1037/pas0000505&gt;
@@ -345,25 +354,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -386,6 +394,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/csiv.html b/docs/reference/csiv.html
index a78483fa..e533f3aa 100644
--- a/docs/reference/csiv.html
+++ b/docs/reference/csiv.html
@@ -8,21 +8,32 @@
 
 <title>Circumplex Scales of Interpersonal Values — csiv • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
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+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
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+
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 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
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+
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-<!-- sticky kit -->
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+<!-- headroom.js -->
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+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
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 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Circumplex Scales of Interpersonal Values — csiv" />
 
+<meta property="og:title" content="Circumplex Scales of Interpersonal Values — csiv" />
 <meta property="og:description" content="Information about the Circumplex Scales of Interpersonal Values (CSIV)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,17 +200,15 @@ <h1>Circumplex Scales of Interpersonal Values</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Circumplex Scales of Interpersonal Values (CSIV).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>csiv</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Locke, K. D. (2000). Circumplex scales of interpersonal values:
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 personality disorders. <em>Journal of Personality Assessment, 75</em>(2), 249-267.
 <a href='https://doi.org/10/frtj3p'>https://doi.org/10/frtj3p</a></p>
 <p><a href='https://www.webpages.uidaho.edu/klocke/csiv.htm'>https://www.webpages.uidaho.edu/klocke/csiv.htm</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"csiv"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>csiv</span>)</div><div class='output co'>#&gt; CSIV: Circumplex Scales of Interpersonal Values
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>csiv</span>)</div><div class='output co'>#&gt; CSIV: Circumplex Scales of Interpersonal Values
 #&gt; 64 items, 8 scales, 1 normative data sets
 #&gt; Locke (2000)
 #&gt; &lt;https://doi.org/10.1207/S15327752JPA7502_6&gt;
@@ -378,25 +387,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -419,6 +427,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ggsave.html b/docs/reference/ggsave.html
index aa08e618..24b7146b 100644
--- a/docs/reference/ggsave.html
+++ b/docs/reference/ggsave.html
@@ -8,21 +8,32 @@
 
 <title>Save a ggplot with sensible defaults — ggsave • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Save a ggplot with sensible defaults — ggsave" />
 
+<meta property="og:title" content="Save a ggplot with sensible defaults — ggsave" />
 <meta property="og:description" content="See ggplot2 for details." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,33 +200,34 @@ <h1>Save a ggplot with sensible defaults</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>See <code>ggplot2</code> for details.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ggsave</span>(<span class='no'>filename</span>, <span class='kw'>plot</span> <span class='kw'>=</span> <span class='fu'>last_plot</span>(), <span class='kw'>device</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>path</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>scale</span>
-  <span class='kw'>=</span> <span class='fl'>1</span>, <span class='kw'>width</span> <span class='kw'>=</span> <span class='fl'>NA</span>, <span class='kw'>height</span> <span class='kw'>=</span> <span class='fl'>NA</span>, <span class='kw'>units</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='st'>"in"</span>, <span class='st'>"cm"</span>, <span class='st'>"mm"</span>), <span class='kw'>dpi</span> <span class='kw'>=</span> <span class='fl'>300</span>,
+  <span class='kw'>=</span> <span class='fl'>1</span>, <span class='kw'>width</span> <span class='kw'>=</span> <span class='fl'>NA</span>, <span class='kw'>height</span> <span class='kw'>=</span> <span class='fl'>NA</span>, <span class='kw'>units</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"in"</span>, <span class='st'>"cm"</span>, <span class='st'>"mm"</span>), <span class='kw'>dpi</span> <span class='kw'>=</span> <span class='fl'>300</span>,
   <span class='kw'>limitsize</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='no'>...</span>)</pre>
-        
+
+
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-                </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -237,6 +250,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/html_render.html b/docs/reference/html_render.html
index 3878f247..2e58d584 100644
--- a/docs/reference/html_render.html
+++ b/docs/reference/html_render.html
@@ -8,21 +8,32 @@
 
 <title>Format and render data frame as HTML table — html_render • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
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+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Format and render data frame as HTML table — html_render" />
 
+<meta property="og:title" content="Format and render data frame as HTML table — html_render" />
 <meta property="og:description" content="Format a data frame as an HTML table and render it to the web viewer." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,13 +200,11 @@ <h1>Format and render data frame as HTML table</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Format a data frame as an HTML table and render it to the web viewer.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>html_render</span>(<span class='no'>df</span>, <span class='kw'>caption</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>align</span> <span class='kw'>=</span> <span class='st'>"l"</span>, <span class='no'>...</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -215,39 +225,37 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
       <td><p>Other arguments to pass to <code>htmlTable</code>.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>HTML syntax for the <code>df</code> table.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other table functions: <code><a href='ssm_append.html'>ssm_append</a></code>,
   <code><a href='ssm_table.html'>ssm_table</a></code></p></div>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -270,6 +278,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/igicr.html b/docs/reference/igicr.html
index b7aa9cb6..b16c50bf 100644
--- a/docs/reference/igicr.html
+++ b/docs/reference/igicr.html
@@ -8,21 +8,32 @@
 
 <title>Interpersonal Goals Inventory for Children, Revised Version — igicr • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Interpersonal Goals Inventory for Children, Revised Version — igicr" />
 
+<meta property="og:title" content="Interpersonal Goals Inventory for Children, Revised Version — igicr" />
 <meta property="og:description" content="Information about the Interpersonal Goals Inventory for Children, Revised
 Version (IGI-CR)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,29 +201,26 @@ <h1>Interpersonal Goals Inventory for Children, Revised Version</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Interpersonal Goals Inventory for Children, Revised
 Version (IGI-CR).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>igicr</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Trucco, E. M., Wright, A. G. C., &amp; Colder, C. R. (2013). A revised
 interpersonal circumplex inventory of children’s social goals. <em>Assessment,
 20</em>(1), 98-113. <a href='https://doi.org/10/cv225k'>https://doi.org/10/cv225k</a></p>
 <p><a href='https://doi.org/10.1177/1073191111411672'>https://doi.org/10.1177/1073191111411672</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"igicr"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>igicr</span>)</div><div class='output co'>#&gt; IGI-CR: Interpersonal Goals Inventory for Children, Revised Version
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>igicr</span>)</div><div class='output co'>#&gt; IGI-CR: Interpersonal Goals Inventory for Children, Revised Version
 #&gt; 32 items, 8 scales, 3 normative data sets
 #&gt; Trucco, Wright, &amp; Colder (2013)
 #&gt; &lt;https://doi.org/10.1177/1073191111411672&gt;
@@ -321,25 +330,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -362,6 +370,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iip32.html b/docs/reference/iip32.html
index ae82b264..8a3ec51c 100644
--- a/docs/reference/iip32.html
+++ b/docs/reference/iip32.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Interpersonal Problems, Brief Version — iip32 • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,18 +47,18 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Inventory of Interpersonal Problems, Brief Version — iip32" />
 
+<meta property="og:title" content="Inventory of Interpersonal Problems, Brief Version — iip32" />
 <meta property="og:description" content="Information about the Inventory of Interpersonal Problems, Brief Version
 (IIP-32). Note that, although we have permission to provide some information
 about the IIP-32, Mind Garden Inc. has exclusive rights to distribute it in
 full." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -58,6 +69,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -74,7 +86,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -159,7 +171,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -169,7 +180,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -180,6 +191,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -191,31 +203,28 @@ <h1>Inventory of Interpersonal Problems, Brief Version</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Interpersonal Problems, Brief Version
 (IIP-32). Note that, although we have permission to provide some information
 about the IIP-32, Mind Garden Inc. has exclusive rights to distribute it in
 full.</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iip32</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Horowitz, L. M., Alden, L. E., Wiggins, J. S., &amp; Pincus, A. L.
 (2000). <em>IIP-64/IIP-32 professional manual.</em> San Antonio, TX: The
 Psychological Corporation.</p>
 <p><a href='https://www.mindgarden.com/113-inventory-of-interpersonal-problems'>https://www.mindgarden.com/113-inventory-of-interpersonal-problems</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iip32"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iip32</span>)</div><div class='output co'>#&gt; IIP-32: Inventory of Interpersonal Problems, Brief Version
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iip32</span>)</div><div class='output co'>#&gt; IIP-32: Inventory of Interpersonal Problems, Brief Version
 #&gt; 32 items, 8 scales, 3 normative data sets
 #&gt; Horowitz, Alden, Wiggins, &amp; Pincus (2003)
 #&gt; &lt;https://www.mindgarden.com/113-inventory-of-interpersonal-problems&gt;
@@ -254,25 +263,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -295,6 +303,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iip64.html b/docs/reference/iip64.html
index ef986d34..1fcd5d87 100644
--- a/docs/reference/iip64.html
+++ b/docs/reference/iip64.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Interpersonal Problems — iip64 • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
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+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
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+
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+<!-- headroom.js -->
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 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
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-<meta property="og:title" content="Inventory of Interpersonal Problems — iip64" />
 
+<meta property="og:title" content="Inventory of Interpersonal Problems — iip64" />
 <meta property="og:description" content="Information about the Inventory of Interpersonal Problems (IIP-64). Note
 that, although we have permission to provide some information about the
 IIP-64, Mind Garden Inc. has exclusive rights to distribute it in full." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
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@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,30 +202,27 @@ <h1>Inventory of Interpersonal Problems</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Interpersonal Problems (IIP-64). Note
 that, although we have permission to provide some information about the
 IIP-64, Mind Garden Inc. has exclusive rights to distribute it in full.</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iip64</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Horowitz, L. M., Alden, L. E., Wiggins, J. S., &amp; Pincus, A. L.
 (2000). <em>IIP-64/IIP-32 professional manual.</em> San Antonio, TX: The
 Psychological Corporation.</p>
 <p><a href='https://www.mindgarden.com/113-inventory-of-interpersonal-problems'>https://www.mindgarden.com/113-inventory-of-interpersonal-problems</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iip64"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iip64</span>)</div><div class='output co'>#&gt; IIP-64: Inventory of Interpersonal Problems
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iip64</span>)</div><div class='output co'>#&gt; IIP-64: Inventory of Interpersonal Problems
 #&gt; 64 items, 8 scales, 3 normative data sets
 #&gt; Horowitz, Alden, Wiggins, &amp; Pincus (2003)
 #&gt; &lt;https://www.mindgarden.com/113-inventory-of-interpersonal-problems&gt;
@@ -252,25 +261,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -293,6 +301,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iipsc.html b/docs/reference/iipsc.html
index 084a6c2c..ef4cc4db 100644
--- a/docs/reference/iipsc.html
+++ b/docs/reference/iipsc.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Interpersonal Problems, Short Circumplex — iipsc • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
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-<meta property="og:title" content="Inventory of Interpersonal Problems, Short Circumplex — iipsc" />
 
+<meta property="og:title" content="Inventory of Interpersonal Problems, Short Circumplex — iipsc" />
 <meta property="og:description" content="Information about the Inventory of Interpersonal Problems Short Circumplex
 (IIP-SC)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,29 +201,26 @@ <h1>Inventory of Interpersonal Problems, Short Circumplex</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Interpersonal Problems Short Circumplex
 (IIP-SC).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iipsc</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Soldz, S., Budman, S., Demby, A., &amp; Merry, J. (1995). A short form of
 the Inventory of Interpersonal Problems Circumplex Scales. <em>Assessment,
 2</em>(1), 53-63. <a href='https://doi.org/10/brb577'>https://doi.org/10/brb577</a></p>
 <p><a href='https://doi.org/10.1080/00223890802388665'>https://doi.org/10.1080/00223890802388665</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iipsc"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iipsc</span>)</div><div class='output co'>#&gt; IIP-SC: Inventory of Interpersonal Problems Short Circumplex
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iipsc</span>)</div><div class='output co'>#&gt; IIP-SC: Inventory of Interpersonal Problems Short Circumplex
 #&gt; 32 items, 8 scales, 2 normative data sets
 #&gt; Soldz, Budman, Demby, &amp; Merry (1995)
 #&gt; &lt;https://doi.org/10.1177/1073191195002001006&gt;
@@ -278,25 +287,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -319,6 +327,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iis32.html b/docs/reference/iis32.html
index 09a792a6..b214da2a 100644
--- a/docs/reference/iis32.html
+++ b/docs/reference/iis32.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Interpersonal Strengths, Brief Version — iis32 • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
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+
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 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
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+
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
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@@ -36,16 +47,16 @@
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-<meta property="og:title" content="Inventory of Interpersonal Strengths, Brief Version — iis32" />
 
+<meta property="og:title" content="Inventory of Interpersonal Strengths, Brief Version — iis32" />
 <meta property="og:description" content="Information about the Inventory of Interpersonal Strengths, Brief Version
 (IIS-32)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,29 +201,26 @@ <h1>Inventory of Interpersonal Strengths, Brief Version</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Interpersonal Strengths, Brief Version
 (IIS-32).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iis32</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Hatcher, R. L., &amp; Rogers, D. T. (2012). The IIS-32: A brief inventory
 of interpersonal strengths. <em>Journal of Personality Assessment, 94</em>(6),
 638-646. <a href='https://doi.org/10/gfrkjj'>https://doi.org/10/gfrkjj</a></p>
 <p><a href='https://doi.org/10.1080/00223891.2012.681818'>https://doi.org/10.1080/00223891.2012.681818</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iis32"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iis32</span>)</div><div class='output co'>#&gt; IIS-32: Inventory of Interpersonal Strengths, Brief Version
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iis32</span>)</div><div class='output co'>#&gt; IIS-32: Inventory of Interpersonal Strengths, Brief Version
 #&gt; 32 items, 8 scales, 1 normative data sets
 #&gt; Hatcher &amp; Rogers (2012)
 #&gt; &lt;https://doi.org/10.1080/00223891.2012.681818&gt;
@@ -316,25 +325,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -357,6 +365,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iis64.html b/docs/reference/iis64.html
index 242b3f27..1b42ebfd 100644
--- a/docs/reference/iis64.html
+++ b/docs/reference/iis64.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Interpersonal Strengths — iis64 • circumplex</title>
 
+<!-- favicons -->
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+
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
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@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Inventory of Interpersonal Strengths — iis64" />
 
+<meta property="og:title" content="Inventory of Interpersonal Strengths — iis64" />
 <meta property="og:description" content="Information about the Inventory of Interpersonal Strengths (IIS-64)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,17 +200,15 @@ <h1>Inventory of Interpersonal Strengths</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Interpersonal Strengths (IIS-64).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iis64</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Hatcher, R. L., &amp; Rogers, D. T. (2009). Development and validation of
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 Strengths. <em>Psychological Assessment, 21</em>(4), 554–569.
 <a href='https://doi.org/10/fkppmj'>https://doi.org/10/fkppmj</a></p>
 <p><a href='https://doi.org/10.1037/a0017269'>https://doi.org/10.1037/a0017269</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iis64"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iis64</span>)</div><div class='output co'>#&gt; IIS-64: Inventory of Interpersonal Strengths
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iis64</span>)</div><div class='output co'>#&gt; IIS-64: Inventory of Interpersonal Strengths
 #&gt; 64 items, 8 scales, 1 normative data sets
 #&gt; Hatcher &amp; Rogers (2009)
 #&gt; &lt;https://doi.org/10.1037/a0017269&gt;
@@ -379,25 +388,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -420,6 +428,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/iitc.html b/docs/reference/iitc.html
index 40d3fd5d..09e1b638 100644
--- a/docs/reference/iitc.html
+++ b/docs/reference/iitc.html
@@ -8,21 +8,32 @@
 
 <title>Inventory of Influence Tactics Circumplex — iitc • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Inventory of Influence Tactics Circumplex — iitc" />
 
+<meta property="og:title" content="Inventory of Influence Tactics Circumplex — iitc" />
 <meta property="og:description" content="Information about the Inventory of Influence Tactics Circumplex (IIT-C)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,28 +200,25 @@ <h1>Inventory of Influence Tactics Circumplex</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Inventory of Influence Tactics Circumplex (IIT-C).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>iitc</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Bliton, C. F., &amp; Pincus, A. L. (in press). Construction and
 Validation of the Interpersonal Influence Tactics Circumplex (IIT-C)
 Scales. <em>Assessment</em>. <a href='https://doi.org/10/gf5nf8'>https://doi.org/10/gf5nf8</a></p>
 <p><a href='https://doi.org/10.1177/1073191119864661'>https://doi.org/10.1177/1073191119864661</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iitc"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>iitc</span>)</div><div class='output co'>#&gt; IIT-C: Inventory of Influence Tactics Circumplex
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>iitc</span>)</div><div class='output co'>#&gt; IIT-C: Inventory of Influence Tactics Circumplex
 #&gt; 64 items, 8 scales, 1 normative data sets
 #&gt; Bliton &amp; Pincus (2019)
 #&gt; &lt;https://doi.org/10.1177/1073191119864661&gt;
@@ -378,25 +387,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -419,6 +427,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/index.html b/docs/reference/index.html
index 47334a6e..b4707e0f 100644
--- a/docs/reference/index.html
+++ b/docs/reference/index.html
@@ -8,21 +8,32 @@
 
 <title>Function reference • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,13 +47,14 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Function reference" />
 
+<meta property="og:title" content="Function reference" />
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -53,6 +65,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -69,7 +82,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -154,7 +167,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -164,7 +176,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -175,6 +187,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -400,14 +413,16 @@ <h2>Contents</h2>
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -430,6 +445,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/instrument.html b/docs/reference/instrument.html
index 040551d3..49fbd2b4 100644
--- a/docs/reference/instrument.html
+++ b/docs/reference/instrument.html
@@ -8,21 +8,32 @@
 
 <title>Load a specific instrument object — instrument • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,19 +47,19 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Load a specific instrument object — instrument" />
 
+<meta property="og:title" content="Load a specific instrument object — instrument" />
 <meta property="og:description" content="The circumplex package includes information about numerous circumplex
 instruments including instructions for scoring and standardizing items to be
 used in conjunction with the score and standardize functions.
 This function loads the information for a specific instrument into memory.
 See the instruments function to list all available instruments." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -59,6 +70,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -75,7 +87,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -160,7 +172,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -170,7 +181,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -181,6 +192,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -192,17 +204,15 @@ <h1>Load a specific instrument object</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>The circumplex package includes information about numerous circumplex
 instruments including instructions for scoring and standardizing items to be
 used in conjunction with the <code>score</code> and <code>standardize</code> functions.
 This function loads the information for a specific instrument into memory.
 See the <code>instruments</code> function to list all available instruments.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>instrument</span>(<span class='no'>code</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -213,20 +223,18 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 package and displayed in parentheses by <code><a href='instruments.html'>instruments()</a></code>.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>The instrument object for the requested circumplex instrument. If
 the function is called without a name assignment (LHS), then the object
 will be created in the global environment with the default name as above.
 Or, if a name is assigned (LHS), the object will have that name instead.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='anchors.html'>anchors</a></code>,
   <code><a href='instruments.html'>instruments</a></code>, <code><a href='items.html'>items</a></code>,
   <code><a href='norms.html'>norms</a></code>, <code><a href='scales.html'>scales</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'>instrument</span>(<span class='no'>iip32</span>)
@@ -237,25 +245,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -278,6 +285,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/instruments.html b/docs/reference/instruments.html
index 20127540..ef02fb60 100644
--- a/docs/reference/instruments.html
+++ b/docs/reference/instruments.html
@@ -8,21 +8,32 @@
 
 <title>List all available instruments — instruments • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="List all available instruments — instruments" />
 
+<meta property="og:title" content="List all available instruments — instruments" />
 <meta property="og:description" content="The circumplex package includes information about numerous circumplex
 instruments including instructions for scoring and standardizing items.
 Individual instruments can be loaded using the instrument function." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,21 +202,19 @@ <h1>List all available instruments</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>The circumplex package includes information about numerous circumplex
 instruments including instructions for scoring and standardizing items.
 Individual instruments can be loaded using the <code>instrument</code> function.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>instruments</span>()</pre>
-        
+
+
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='anchors.html'>anchors</a></code>,
   <code><a href='instrument.html'>instrument</a></code>, <code><a href='items.html'>items</a></code>,
   <code><a href='norms.html'>norms</a></code>, <code><a href='scales.html'>scales</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'>instruments</span>()</div><div class='output co'>#&gt; The circumplex package currently includes 13 instruments:
@@ -225,23 +235,23 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -264,6 +274,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ipipipc.html b/docs/reference/ipipipc.html
index 07681c6f..c605e778 100644
--- a/docs/reference/ipipipc.html
+++ b/docs/reference/ipipipc.html
@@ -8,21 +8,32 @@
 
 <title>IPIP Interpersonal Circumplex — ipipipc • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="IPIP Interpersonal Circumplex — ipipipc" />
 
+<meta property="og:title" content="IPIP Interpersonal Circumplex — ipipipc" />
 <meta property="og:description" content="Information about the IPIP Interpersonal Circumplex (IPIP-IPC)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,28 +200,25 @@ <h1>IPIP Interpersonal Circumplex</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the IPIP Interpersonal Circumplex (IPIP-IPC).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>ipipipc</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Markey, P. M., &amp; Markey, C. N. (2009). A brief assessment of the
 interpersonal circumplex: The IPIP-IPC. <em>Assessment, 16</em>(4), 352–361.
 <a href='https://doi.org/10/fc6h8s'>https://doi.org/10/fc6h8s</a></p>
 <p><a href='https://doi.org/10.1177/1073191109340382'>https://doi.org/10.1177/1073191109340382</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"ipipipc"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>ipipipc</span>)</div><div class='output co'>#&gt; IPIP-IPC: IPIP Interpersonal Circumplex
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>ipipipc</span>)</div><div class='output co'>#&gt; IPIP-IPC: IPIP Interpersonal Circumplex
 #&gt; 32 items, 8 scales, 1 normative data sets
 #&gt; Markey &amp; Markey (2009)
 #&gt; &lt;https://doi.org/10.1177/1073191109340382&gt;
@@ -313,25 +322,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -354,6 +362,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ipsatize.html b/docs/reference/ipsatize.html
index e775338f..113b3465 100644
--- a/docs/reference/ipsatize.html
+++ b/docs/reference/ipsatize.html
@@ -8,21 +8,32 @@
 
 <title>Ipsatize circumplex items using deviation scoring across variables — ipsatize • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,18 +47,18 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Ipsatize circumplex items using deviation scoring across variables — ipsatize" />
 
+<meta property="og:title" content="Ipsatize circumplex items using deviation scoring across variables — ipsatize" />
 <meta property="og:description" content="Rescore each circumplex item using deviation scoring across variables. In
 other words, subtract each observation's mean response from each response.
 This effectively removes the presence of a general factor, which can make
 certain circumplex fit analyses more powerful." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -58,6 +69,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -74,7 +86,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -159,7 +171,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -169,7 +180,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -180,6 +191,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -191,16 +203,14 @@ <h1>Ipsatize circumplex items using deviation scoring across variables</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Rescore each circumplex item using deviation scoring across variables. In
 other words, subtract each observation's mean response from each response.
 This effectively removes the presence of a general factor, which can make
 certain circumplex fit analyses more powerful.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ipsatize</span>(<span class='no'>.data</span>, <span class='no'>items</span>, <span class='kw'>na.rm</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='kw'>overwrite</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -227,20 +237,18 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 added to the data frame (default = FALSE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A data frame that matches <code>.data</code> except that the variables
 specified in <code>items</code> have been rescored using ipsatization.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other tidying functions: <code><a href='score.html'>score</a></code>,
   <code><a href='standardize.html'>standardize</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"raw_iipsc"</span>)
+    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"raw_iipsc"</span>)
 <span class='fu'>ipsatize</span>(<span class='no'>raw_iipsc</span>, <span class='no'>IIP01</span>:<span class='no'>IIP32</span>)</div><div class='output co'>#&gt; <span style='color: #555555;'># A tibble: 10 x 64</span><span>
 #&gt;    IIP01 IIP02 IIP03 IIP04 IIP05 IIP06 IIP07 IIP08 IIP09 IIP10 IIP11 IIP12 IIP13
 #&gt;    </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span>
@@ -270,25 +278,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -311,6 +318,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/isc.html b/docs/reference/isc.html
index 78e82295..4caa5e73 100644
--- a/docs/reference/isc.html
+++ b/docs/reference/isc.html
@@ -8,21 +8,32 @@
 
 <title>Interpersonal Sensitivities Circumplex — isc • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Interpersonal Sensitivities Circumplex — isc" />
 
+<meta property="og:title" content="Interpersonal Sensitivities Circumplex — isc" />
 <meta property="og:description" content="Information about the Interpersonal Sensitivities Circumplex (ISC)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,17 +200,15 @@ <h1>Interpersonal Sensitivities Circumplex</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Information about the Interpersonal Sensitivities Circumplex (ISC).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>isc</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>An object of class <code>instrument</code> of length 5.</p>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p>Hopwood, C. J., Ansell, E. B., Pincus, A. L., Wright, A. G. C.,
@@ -206,11 +216,10 @@ <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h
 interpersonal sensitivities. <em>Journal of Personality, 79</em>(4), 707–740.
 <a href='https://doi.org/10/fsmn7d'>https://doi.org/10/fsmn7d</a></p>
 <p><a href='https://doi.org/10.1111/j.1467-6494.2011.00696.x'>https://doi.org/10.1111/j.1467-6494.2011.00696.x</a></p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"isc"</span>)
-<span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/summary'>summary</a></span>(<span class='no'>isc</span>)</div><div class='output co'>#&gt; ISC: Interpersonal Sensitivities Circumplex
+<span class='fu'><a href='https://rdrr.io/r/base/summary.html'>summary</a></span>(<span class='no'>isc</span>)</div><div class='output co'>#&gt; ISC: Interpersonal Sensitivities Circumplex
 #&gt; 64 items, 8 scales, 1 normative data sets
 #&gt; Hopwood et al. (2011)
 #&gt; &lt;https://doi.org/10.1111/j.1467-6494.2011.00696.x&gt;
@@ -381,25 +390,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -422,6 +430,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/items.html b/docs/reference/items.html
index c301591c..bc3e67d6 100644
--- a/docs/reference/items.html
+++ b/docs/reference/items.html
@@ -8,21 +8,32 @@
 
 <title>Display the items of a circumplex instrument — items • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Display the items of a circumplex instrument — items" />
 
+<meta property="og:title" content="Display the items of a circumplex instrument — items" />
 <meta property="og:description" content="Display the items of a circumplex instrument including the total number of
 items and each item's number and text. The item ordering/numbering displayed
 here is the same ordering/numbering assumed by the score() function." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,15 +202,13 @@ <h1>Display the items of a circumplex instrument</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Display the items of a circumplex instrument including the total number of
 items and each item's number and text. The item ordering/numbering displayed
 here is the same ordering/numbering assumed by the <code><a href='score.html'>score()</a></code> function.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>items</span>(<span class='no'>x</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -207,17 +217,15 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
       <td><p>Required. An object of the instrument class.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>The same input object. Prints text to console.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='anchors.html'>anchors</a></code>,
   <code><a href='instruments.html'>instruments</a></code>, <code><a href='instrument.html'>instrument</a></code>,
   <code><a href='norms.html'>norms</a></code>, <code><a href='scales.html'>scales</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='no'>csip</span>)
@@ -291,25 +299,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -332,6 +339,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/jz2017.html b/docs/reference/jz2017.html
index 29a3f3ce..60d02231 100644
--- a/docs/reference/jz2017.html
+++ b/docs/reference/jz2017.html
@@ -8,21 +8,32 @@
 
 <title>Raw octant scores on real circumplex scales with covariates — jz2017 • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Raw octant scores on real circumplex scales with covariates — jz2017" />
 
+<meta property="og:title" content="Raw octant scores on real circumplex scales with covariates — jz2017" />
 <meta property="og:description" content="A large example dataset containing gender, raw mean scores on the Inventory
 of Interpersonal Problems - Short Circumplex (IIP-SC), and raw sum scores on
 the Personality Diagnostic Questionnaire - 4th Edition Plus (PDQ-4+)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,15 +202,14 @@ <h1>Raw octant scores on real circumplex scales with covariates</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>A large example dataset containing gender, raw mean scores on the Inventory
 of Interpersonal Problems - Short Circumplex (IIP-SC), and raw sum scores on
 the Personality Diagnostic Questionnaire - 4th Edition Plus (PDQ-4+).</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>jz2017</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>A data frame with 1166 observations and 19 variables:</p><dl class='dl-horizontal'>
@@ -221,34 +232,33 @@ <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h
 <dt>AVPD</dt><dd><p>Avoidant PD Symptoms (PDQ-4+)</p></dd>
 <dt>DPNPD</dt><dd><p>Dependent PD Symptoms (PDQ-4+)</p></dd>
 <dt>OCPD</dt><dd><p>Obsessive-Compulsive PD Symptoms (PDQ-4+)</p></dd>
+
 </dl>
-    
     <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
 
     <p><a href='https://doi.org/10.1177/1073191115621795'>https://doi.org/10.1177/1073191115621795</a></p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-
       <li><a href="#source">Source</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -271,6 +281,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/mutate.html b/docs/reference/mutate.html
index 0be67fd1..d063d0be 100644
--- a/docs/reference/mutate.html
+++ b/docs/reference/mutate.html
@@ -8,21 +8,32 @@
 
 <title>Add new variables — mutate • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Add new variables — mutate" />
 
+<meta property="og:title" content="Add new variables — mutate" />
 <meta property="og:description" content="mutate() adds new variables and preserves existing." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,36 +200,35 @@ <h1>Add new variables</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>mutate() adds new variables and preserves existing.</p>
-    
     </div>
 
-        
+
+
     <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>
 
     <p>See <code><a href='https://dplyr.tidyverse.org/reference/mutate.html'>mutate</a></code> for details.</p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#details">Details</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -240,6 +251,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/norms.html b/docs/reference/norms.html
index a2f0d846..3572d061 100644
--- a/docs/reference/norms.html
+++ b/docs/reference/norms.html
@@ -8,21 +8,32 @@
 
 <title>Display the norms for a circumplex instrument — norms • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,18 +47,18 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Display the norms for a circumplex instrument — norms" />
 
+<meta property="og:title" content="Display the norms for a circumplex instrument — norms" />
 <meta property="og:description" content="Display the norms for a circumplex instrument including the total number of
 normative data sets available and each data set's number, sample size,
 population, and source reference and hyperlink. If another normative data set
 exists that is not yet included in the package, please let us know." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -58,6 +69,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -74,7 +86,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -159,7 +171,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -169,7 +180,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -180,6 +191,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -191,16 +203,14 @@ <h1>Display the norms for a circumplex instrument</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Display the norms for a circumplex instrument including the total number of
 normative data sets available and each data set's number, sample size,
 population, and source reference and hyperlink. If another normative data set
 exists that is not yet included in the package, please let us know.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>norms</span>(<span class='no'>x</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -209,17 +219,15 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
       <td><p>Required. An object of the instrument class.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>The same input object. Prints text to console.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='anchors.html'>anchors</a></code>,
   <code><a href='instruments.html'>instruments</a></code>, <code><a href='instrument.html'>instrument</a></code>,
   <code><a href='items.html'>items</a></code>, <code><a href='scales.html'>scales</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='no'>csip</span>)
@@ -232,25 +240,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -273,6 +280,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/octants.html b/docs/reference/octants.html
index 305211f3..be89576b 100644
--- a/docs/reference/octants.html
+++ b/docs/reference/octants.html
@@ -8,21 +8,32 @@
 
 <title>Angular displacements for octant circumplex scales — octants • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Angular displacements for octant circumplex scales — octants" />
 
+<meta property="og:title" content="Angular displacements for octant circumplex scales — octants" />
 <meta property="og:description" content="Return a vector of angular displacements, in degrees, for eight equally
 spaced circumplex scales corresponding to the circumplex octants. Can be
 passed to the angles parameter of other functions in this package." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,21 +202,19 @@ <h1>Angular displacements for octant circumplex scales</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Return a vector of angular displacements, in degrees, for eight equally
 spaced circumplex scales corresponding to the circumplex octants. Can be
 passed to the <code>angles</code> parameter of other functions in this package.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>octants</span>()</pre>
-        
+
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A numeric vector with eight elements, each corresponding to the
 angular displacement (in degrees) of a subscale, in the following order:
 PA, BC, DE, FG, HI, JK, LM, NO.</p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'>octants</span>()</div><div class='output co'>#&gt; [1]  90 135 180 225 270 315 360  45
@@ -214,23 +224,23 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#value">Value</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -253,6 +263,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/pipe.html b/docs/reference/pipe.html
index 5c75b38b..9e28b314 100644
--- a/docs/reference/pipe.html
+++ b/docs/reference/pipe.html
@@ -8,21 +8,32 @@
 
 <title>Pipe operator — %&gt;% • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Pipe operator — %&gt;%" />
 
+<meta property="og:title" content="Pipe operator — %&gt;%" />
 <meta property="og:description" content="See magrittr::%&amp;gt;% for details.
 See magrittr for details." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,34 +201,35 @@ <h1>Pipe operator</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>See <code>magrittr::%&gt;%</code> for details.</p>
 <p>See <code>magrittr</code> for details.</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>lhs</span> <span class='kw'>%&gt;%</span> <span class='no'>rhs</span>
 
 <span class='no'>lhs</span> <span class='kw'>%&gt;%</span> <span class='no'>rhs</span></pre>
-        
+
+
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-                </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -239,6 +252,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/poles.html b/docs/reference/poles.html
index 48a5f734..2c598d5b 100644
--- a/docs/reference/poles.html
+++ b/docs/reference/poles.html
@@ -8,21 +8,32 @@
 
 <title>Angular displacements for pole circumplex scales — poles • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Angular displacements for pole circumplex scales — poles" />
 
+<meta property="og:title" content="Angular displacements for pole circumplex scales — poles" />
 <meta property="og:description" content="Return a vector of angular displacements, in degrees, for four equally spaced
 circumplex scales corresponding to the circumplex poles. Can be passed to the
 angles parameter of other functions in this package." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,21 +202,19 @@ <h1>Angular displacements for pole circumplex scales</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Return a vector of angular displacements, in degrees, for four equally spaced
 circumplex scales corresponding to the circumplex poles. Can be passed to the
 <code>angles</code> parameter of other functions in this package.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>poles</span>()</pre>
-        
+
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A numeric vector with four elements, each corresponding to the
 angular displacement (in degrees) of a subscale, in the following order:
 PA, DE, HI, LM.</p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'>poles</span>()</div><div class='output co'>#&gt; [1]  90 180 270 360
@@ -214,23 +224,23 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#value">Value</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -253,6 +263,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/quadrants.html b/docs/reference/quadrants.html
index 0524ae90..d9347cc5 100644
--- a/docs/reference/quadrants.html
+++ b/docs/reference/quadrants.html
@@ -8,21 +8,32 @@
 
 <title>Angular displacements for quadrant circumplex scales — quadrants • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Angular displacements for quadrant circumplex scales — quadrants" />
 
+<meta property="og:title" content="Angular displacements for quadrant circumplex scales — quadrants" />
 <meta property="og:description" content="Return a vector of angular displacements, in degrees, for four equally spaced
 circumplex scales corresponding to the circumplex quadrants. Can be passed to
 the angles parameter of other functions in this package." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,21 +202,19 @@ <h1>Angular displacements for quadrant circumplex scales</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Return a vector of angular displacements, in degrees, for four equally spaced
 circumplex scales corresponding to the circumplex quadrants. Can be passed to
 the <code>angles</code> parameter of other functions in this package.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>quadrants</span>()</pre>
-        
+
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A numeric vector with eight elements, each corresponding to the
 angular displacement (in degrees) of a subscale, in the following order:
 BC, FG, JK, NO.</p>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'>quadrants</span>()</div><div class='output co'>#&gt; [1] 135 225 315  45
@@ -214,23 +224,23 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#value">Value</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -253,6 +263,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/raw_iipsc.html b/docs/reference/raw_iipsc.html
index 925fdbb4..7a5c8a75 100644
--- a/docs/reference/raw_iipsc.html
+++ b/docs/reference/raw_iipsc.html
@@ -8,21 +8,32 @@
 
 <title>Raw item responses on real circumplex scales — raw_iipsc • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Raw item responses on real circumplex scales — raw_iipsc" />
 
+<meta property="og:title" content="Raw item responses on real circumplex scales — raw_iipsc" />
 <meta property="og:description" content="A small example dataset containing raw item responses on the Inventory of
 Interpersonal Problems, Short Circumplex (IIP-SC). This data set is useful
 for testing functions that operate on item-level data." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,39 +202,38 @@ <h1>Raw item responses on real circumplex scales</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>A small example dataset containing raw item responses on the Inventory of
 Interpersonal Problems, Short Circumplex (IIP-SC). This data set is useful
 for testing functions that operate on item-level data.</p>
-    
     </div>
 
     <pre class="usage"><span class='no'>raw_iipsc</span></pre>
-        
+
+
     <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
 
     <p>A data frame with 10 observations and 32 variables.</p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#format">Format</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -245,6 +256,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/scales.html b/docs/reference/scales.html
index 32967fe6..32470824 100644
--- a/docs/reference/scales.html
+++ b/docs/reference/scales.html
@@ -8,21 +8,32 @@
 
 <title>Display the scales of a circumplex instrument — scales • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Display the scales of a circumplex instrument — scales" />
 
+<meta property="og:title" content="Display the scales of a circumplex instrument — scales" />
 <meta property="og:description" content="Display the scales of a circumplex instrument including the total number of
 scales and each scale's abbreviation, hypothetical angle, and text label." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,14 +201,12 @@ <h1>Display the scales of a circumplex instrument</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Display the scales of a circumplex instrument including the total number of
 scales and each scale's abbreviation, hypothetical angle, and text label.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>scales</span>(<span class='no'>x</span>, <span class='kw'>items</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -210,17 +220,15 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 should be displayed below its other information (default = FALSE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>The same input object. Prints text to console.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other instrument functions: <code><a href='anchors.html'>anchors</a></code>,
   <code><a href='instruments.html'>instruments</a></code>, <code><a href='instrument.html'>instrument</a></code>,
   <code><a href='items.html'>items</a></code>, <code><a href='norms.html'>norms</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='no'>csip</span>)
@@ -310,25 +318,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -351,6 +358,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/score.html b/docs/reference/score.html
index 25fb4ebc..fe661dcc 100644
--- a/docs/reference/score.html
+++ b/docs/reference/score.html
@@ -8,21 +8,32 @@
 
 <title>Score circumplex scales from item responses — score • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Score circumplex scales from item responses — score" />
 
+<meta property="og:title" content="Score circumplex scales from item responses — score" />
 <meta property="og:description" content="Calculate mean scores on circumplex scales from item responses by using a
 set of scoring instructions, which may be loaded from the package or created
 as a custom data frame." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,16 +202,14 @@ <h1>Score circumplex scales from item responses</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Calculate mean scores on circumplex scales from item responses by using a
 set of scoring instructions, which may be loaded from the package or created
 as a custom data frame.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>score</span>(<span class='no'>.data</span>, <span class='no'>items</span>, <span class='no'>instrument</span>, <span class='kw'>na.rm</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='kw'>prefix</span> <span class='kw'>=</span> <span class='st'>""</span>,
   <span class='kw'>suffix</span> <span class='kw'>=</span> <span class='st'>""</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -237,20 +247,18 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 and <code>prefix</code> (default = "").</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A data frame that matches <code>.data</code> except that new variables are
 appended that contain mean scores on each variable included in <code>key</code>.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other tidying functions: <code><a href='ipsatize.html'>ipsatize</a></code>,
   <code><a href='standardize.html'>standardize</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"raw_iipsc"</span>)
+    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"raw_iipsc"</span>)
 <span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iipsc"</span>)
 <span class='fu'>score</span>(<span class='no'>raw_iipsc</span>, <span class='no'>IIP01</span>:<span class='no'>IIP32</span>, <span class='no'>iipsc</span>)</div><div class='output co'>#&gt; <span style='color: #555555;'># A tibble: 10 x 40</span><span>
 #&gt;    IIP01 IIP02 IIP03 IIP04 IIP05 IIP06 IIP07 IIP08 IIP09 IIP10 IIP11 IIP12 IIP13
@@ -276,25 +284,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -317,6 +324,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/select.html b/docs/reference/select.html
index 39e1ed4e..2eaaa6b9 100644
--- a/docs/reference/select.html
+++ b/docs/reference/select.html
@@ -8,21 +8,32 @@
 
 <title>Select variables by name — select • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Select variables by name — select" />
 
+<meta property="og:title" content="Select variables by name — select" />
 <meta property="og:description" content="select() keeps only the variables you mention." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,36 +200,35 @@ <h1>Select variables by name</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>select() keeps only the variables you mention.</p>
-    
     </div>
 
-        
+
+
     <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>
 
     <p>See <code><a href='https://dplyr.tidyverse.org/reference/select.html'>select</a></code> for details.</p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-      
       <li><a href="#details">Details</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -240,6 +251,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_analyze.html b/docs/reference/ssm_analyze.html
index c9df9232..a9cdf569 100644
--- a/docs/reference/ssm_analyze.html
+++ b/docs/reference/ssm_analyze.html
@@ -8,21 +8,32 @@
 
 <title>Perform analyses using the Structural Summary Method — ssm_analyze • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,19 +47,19 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Perform analyses using the Structural Summary Method — ssm_analyze" />
 
+<meta property="og:title" content="Perform analyses using the Structural Summary Method — ssm_analyze" />
 <meta property="og:description" content="Calculate SSM parameters with bootstrapped confidence intervals for a variety
 of different analysis types. Depending on what arguments are supplied, either
 mean-based or correlation-based analyses will be performed, one or more
 groups will be used to stratify the data, and contrasts between groups or
 measures will be calculated." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -59,6 +70,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -75,7 +87,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -160,7 +172,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -170,7 +181,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -181,6 +192,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -192,19 +204,17 @@ <h1>Perform analyses using the Structural Summary Method</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Calculate SSM parameters with bootstrapped confidence intervals for a variety
 of different analysis types. Depending on what arguments are supplied, either
 mean-based or correlation-based analyses will be performed, one or more
 groups will be used to stratify the data, and contrasts between groups or
 measures will be calculated.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_analyze</span>(<span class='no'>.data</span>, <span class='no'>scales</span>, <span class='no'>angles</span>, <span class='kw'>measures</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>grouping</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='st'>"none"</span>, <span class='st'>"test"</span>, <span class='st'>"model"</span>), <span class='kw'>boots</span> <span class='kw'>=</span> <span class='fl'>2000</span>,
+  <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"none"</span>, <span class='st'>"test"</span>, <span class='st'>"model"</span>), <span class='kw'>boots</span> <span class='kw'>=</span> <span class='fl'>2000</span>,
   <span class='kw'>interval</span> <span class='kw'>=</span> <span class='fl'>0.95</span>, <span class='kw'>listwise</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -265,7 +275,7 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 each bootstrap resample and is slower to compute (default = TRUE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A list containing the results and description of the analysis.</p>
@@ -276,7 +286,6 @@ <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 that created this object</p></dd> <dt>scores</dt><dd><p>A tibble containing the mean scale
 scores</p></dd> <dt>type</dt><dd><p>A string indicating what type of SSM analysis was done</p></dd>
 
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other ssm functions: <code><a href='ssm_append.html'>ssm_append</a></code>,
@@ -284,11 +293,10 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='ssm_score.html'>ssm_score</a></code>, <code><a href='ssm_table.html'>ssm_table</a></code></p>
 <p>Other analysis functions: <code><a href='ssm_parameters.html'>ssm_parameters</a></code>,
   <code><a href='ssm_score.html'>ssm_score</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='co'># Load example data</span>
-<span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"jz2017"</span>)
+<span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"jz2017"</span>)
 
 <span class='co'># Single-group mean-based SSM</span>
 <span class='fu'>ssm_analyze</span>(<span class='no'>jz2017</span>, <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>())</div><div class='output co'>#&gt; Call:
@@ -306,7 +314,7 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 <span class='co'># Single-group correlation-based SSM</span>
 <span class='fu'>ssm_analyze</span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
 )</div><div class='output co'>#&gt; Call:
 #&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), 
 #&gt;     measures = c(NARPD, ASPD))
@@ -328,7 +336,8 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 #&gt; Amplitude         0.226      0.190      0.263
 #&gt; Displacement    115.927    107.451    124.435
 #&gt; Model Fit         0.964                      
-#&gt; </div><div class='input'><span class='co'># Multiple-group mean-based SSM</span>
+#&gt; </div><div class='input'><span class='co'># \donttest{</span>
+<span class='co'># Multiple-group mean-based SSM</span>
 <span class='fu'>ssm_analyze</span>(<span class='no'>jz2017</span>, <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(), <span class='kw'>grouping</span> <span class='kw'>=</span> <span class='no'>Gender</span>)</div><div class='output co'>#&gt; Call:
 #&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), 
 #&gt;     grouping = Gender)
@@ -371,7 +380,7 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 <span class='co'># Single-group correlation-based SSM with contrast</span>
 <span class='fu'>ssm_analyze</span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
 )</div><div class='output co'>#&gt; Call:
 #&gt; ssm_analyze(.data = jz2017, scales = PA:NO, angles = octants(), 
 #&gt;     measures = c(NARPD, ASPD), contrast = "test")
@@ -427,32 +436,32 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 #&gt; Amplitude        -0.068     -0.138     -0.004
 #&gt; Displacement    -10.421    -30.538     10.798
 #&gt; Model Fit        -0.071                      
-#&gt; </div><div class='input'>
+#&gt; </div><div class='input'># }
+
 </div></pre>
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -475,6 +484,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_append.html b/docs/reference/ssm_append.html
index ba722b14..b3499718 100644
--- a/docs/reference/ssm_append.html
+++ b/docs/reference/ssm_append.html
@@ -8,21 +8,32 @@
 
 <title>Combine SSM tables — ssm_append • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
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-<meta property="og:title" content="Combine SSM tables — ssm_append" />
 
+<meta property="og:title" content="Combine SSM tables — ssm_append" />
 <meta property="og:description" content="Combine SSM tables by appending them as rows." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
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@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,13 +200,11 @@ <h1>Combine SSM tables</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Combine SSM tables by appending them as rows.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_append</span>(<span class='no'>.ssm_table</span>, <span class='no'>...</span>, <span class='kw'>caption</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>render</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -218,12 +228,11 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 the RStudio viewer or web browser (default = TRUE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A tibble containing the information for the HTML table. As a
 side-effect, may also output the HTML table to the web viewer.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other ssm functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
@@ -231,10 +240,9 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='ssm_score.html'>ssm_score</a></code>, <code><a href='ssm_table.html'>ssm_table</a></code></p>
 <p>Other table functions: <code><a href='html_render.html'>html_render</a></code>,
   <code><a href='ssm_table.html'>ssm_table</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"jz2017"</span>)
+    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"jz2017"</span>)
 <span class='no'>res1</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>, <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='fu'><a href='octants.html'>octants</a></span>())
 <span class='no'>res2</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>, <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='fu'><a href='octants.html'>octants</a></span>(), <span class='kw'>grouping</span> <span class='kw'>=</span> <span class='no'>Gender</span>)
 <span class='no'>tab1</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_table.html'>ssm_table</a></span>(<span class='no'>res1</span>, <span class='kw'>render</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>)
@@ -293,25 +301,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -334,6 +341,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_parameters.html b/docs/reference/ssm_parameters.html
index f30641fb..9d146e68 100644
--- a/docs/reference/ssm_parameters.html
+++ b/docs/reference/ssm_parameters.html
@@ -8,21 +8,32 @@
 
 <title>Calculate Structural Summary Method parameters for a set of scores — ssm_parameters • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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-<!-- sticky kit -->
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,19 +47,19 @@
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-<meta property="og:title" content="Calculate Structural Summary Method parameters for a set of scores — ssm_parameters" />
 
+<meta property="og:title" content="Calculate Structural Summary Method parameters for a set of scores — ssm_parameters" />
 <meta property="og:description" content="Calculate SSM parameters (without confidence intervals) for a set of scores
 and generate a tibble with customizable labels for each parameter value. This
 function requires the input to be a numeric vector (or coercable to one) and
 returns only the parameters. See ssm_score() for a similar
 function that calculates SSM parameters for each row of a data frame." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
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@@ -59,6 +70,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -75,7 +87,7 @@
       </button>
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         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -160,7 +172,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -170,7 +181,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -181,6 +192,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -192,19 +204,17 @@ <h1>Calculate Structural Summary Method parameters for a set of scores</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Calculate SSM parameters (without confidence intervals) for a set of scores
 and generate a tibble with customizable labels for each parameter value. This
 function requires the input to be a numeric vector (or coercable to one) and
 returns only the parameters. See <code><a href='ssm_score.html'>ssm_score</a>()</code> for a similar
 function that calculates SSM parameters for each row of a data frame.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_parameters</span>(<span class='no'>scores</span>, <span class='no'>angles</span>, <span class='kw'>prefix</span> <span class='kw'>=</span> <span class='st'>""</span>, <span class='kw'>suffix</span> <span class='kw'>=</span> <span class='st'>""</span>,
   <span class='kw'>e_label</span> <span class='kw'>=</span> <span class='st'>"Elev"</span>, <span class='kw'>x_label</span> <span class='kw'>=</span> <span class='st'>"Xval"</span>, <span class='kw'>y_label</span> <span class='kw'>=</span> <span class='st'>"Yval"</span>,
   <span class='kw'>a_label</span> <span class='kw'>=</span> <span class='st'>"Ampl"</span>, <span class='kw'>d_label</span> <span class='kw'>=</span> <span class='st'>"Disp"</span>, <span class='kw'>f_label</span> <span class='kw'>=</span> <span class='st'>"Fit"</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -259,11 +269,10 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 fit or R-squared value (default = "Fit").</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A tibble containing the SSM parameters calculated from <code>scores</code>.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other ssm functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
@@ -271,11 +280,10 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='ssm_score.html'>ssm_score</a></code>, <code><a href='ssm_table.html'>ssm_table</a></code></p>
 <p>Other analysis functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
   <code><a href='ssm_score.html'>ssm_score</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
     <pre class="examples"><div class='input'><span class='co'># Manually enter octant scores</span>
-<span class='no'>scores</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='fl'>0.55</span>, <span class='fl'>0.58</span>, <span class='fl'>0.62</span>, <span class='fl'>0.76</span>, <span class='fl'>1.21</span>, <span class='fl'>1.21</span>, <span class='fl'>1.48</span>, <span class='fl'>0.90</span>)
+<span class='no'>scores</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>0.55</span>, <span class='fl'>0.58</span>, <span class='fl'>0.62</span>, <span class='fl'>0.76</span>, <span class='fl'>1.21</span>, <span class='fl'>1.21</span>, <span class='fl'>1.48</span>, <span class='fl'>0.90</span>)
 <span class='fu'>ssm_parameters</span>(<span class='no'>scores</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>())</div><div class='output co'>#&gt; <span style='color: #555555;'># A tibble: 1 x 6</span><span>
 #&gt;    Elev  Xval   Yval  Ampl  Disp   Fit
 #&gt;   </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span>  </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span> </span><span style='color: #555555;font-style: italic;'>&lt;dbl&gt;</span><span>
@@ -296,25 +304,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -337,6 +344,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_plot.html b/docs/reference/ssm_plot.html
index 570c6bd0..d98a1a7c 100644
--- a/docs/reference/ssm_plot.html
+++ b/docs/reference/ssm_plot.html
@@ -8,21 +8,32 @@
 
 <title>Create a figure from SSM results — ssm_plot • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,15 +47,15 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Create a figure from SSM results — ssm_plot" />
 
+<meta property="og:title" content="Create a figure from SSM results — ssm_plot" />
 <meta property="og:description" content="Take in the results of an SSM analysis function and create figure from it." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -55,6 +66,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -71,7 +83,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -156,7 +168,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -166,7 +177,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -177,6 +188,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -188,13 +200,11 @@ <h1>Create a figure from SSM results</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Take in the results of an SSM analysis function and create figure from it.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_plot</span>(<span class='no'>.ssm_object</span>, <span class='kw'>fontsize</span> <span class='kw'>=</span> <span class='fl'>12</span>, <span class='no'>...</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -212,61 +222,59 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
       <td><p>Additional arguments to pass on to the plotting function.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A ggplot2 object representing the figure</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>ggsave Function for saving plots to image files.</p>
 <p>Other ssm functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
   <code><a href='ssm_append.html'>ssm_append</a></code>, <code><a href='ssm_parameters.html'>ssm_parameters</a></code>,
   <code><a href='ssm_score.html'>ssm_score</a></code>, <code><a href='ssm_table.html'>ssm_table</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='co'># Load example data</span>
-<span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"jz2017"</span>)
+    <pre class="examples"><div class='input'><span class='co'># \donttest{</span>
+<span class='co'># Load example data</span>
+<span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"jz2017"</span>)
 
 <span class='co'># Plot profile results</span>
 <span class='no'>res</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
 )
 <span class='no'>p</span> <span class='kw'>&lt;-</span> <span class='fu'>ssm_plot</span>(<span class='no'>res</span>)
 
 <span class='co'># Plot contrast results</span>
 <span class='no'>res</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
 )
-<span class='no'>p</span> <span class='kw'>&lt;-</span> <span class='fu'>ssm_plot</span>(<span class='no'>res</span>)</div><div class='input'>
-</div></pre>
+<span class='no'>p</span> <span class='kw'>&lt;-</span> <span class='fu'>ssm_plot</span>(<span class='no'>res</span>)
+<span class='co'># }</span></div></pre>
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -289,6 +297,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_plot_circle.html b/docs/reference/ssm_plot_circle.html
index 64d2b74d..b386e0f1 100644
--- a/docs/reference/ssm_plot_circle.html
+++ b/docs/reference/ssm_plot_circle.html
@@ -8,21 +8,32 @@
 
 <title>Create a Circular Plot of SSM Results — ssm_plot_circle • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
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+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
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-<!-- sticky kit -->
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+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
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-<meta property="og:title" content="Create a Circular Plot of SSM Results — ssm_plot_circle" />
 
+<meta property="og:title" content="Create a Circular Plot of SSM Results — ssm_plot_circle" />
 <meta property="og:description" content="Take in the results of a Structural Summary Method analysis and plot the
 point and interval estimate for each row (e.g., group or measure) in a
 circular space quantified by displacement and amplitude." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,16 +202,14 @@ <h1>Create a Circular Plot of SSM Results</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Take in the results of a Structural Summary Method analysis and plot the
 point and interval estimate for each row (e.g., group or measure) in a
 circular space quantified by displacement and amplitude.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_plot_circle</span>(<span class='no'>.ssm_object</span>, <span class='kw'>amax</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>fontsize</span> <span class='kw'>=</span> <span class='fl'>12</span>,
   <span class='kw'>lowfit</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -225,32 +235,32 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 (&lt;.70) should be plotted, with dashed borders (default = TRUE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A ggplot variable containing a completed circular plot.</p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -273,6 +283,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_plot_contrast.html b/docs/reference/ssm_plot_contrast.html
index 8f14cffc..8a35b45e 100644
--- a/docs/reference/ssm_plot_contrast.html
+++ b/docs/reference/ssm_plot_contrast.html
@@ -8,21 +8,32 @@
 
 <title>Create a Difference Plot of SSM Contrast Results — ssm_plot_contrast • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,17 +47,17 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Create a Difference Plot of SSM Contrast Results — ssm_plot_contrast" />
 
+<meta property="og:title" content="Create a Difference Plot of SSM Contrast Results — ssm_plot_contrast" />
 <meta property="og:description" content="Take in the results of a Structural Summary Method analysis with pairwise
 contrasts and plot the point and interval estimates for each parameter's
 contrast (e.g., between groups or measures)." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -57,6 +68,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -73,7 +85,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -158,7 +170,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -168,7 +179,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -179,6 +190,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -190,16 +202,14 @@ <h1>Create a Difference Plot of SSM Contrast Results</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Take in the results of a Structural Summary Method analysis with pairwise
 contrasts and plot the point and interval estimates for each parameter's
 contrast (e.g., between groups or measures).</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_plot_contrast</span>(<span class='no'>.ssm_object</span>, <span class='kw'>axislabel</span> <span class='kw'>=</span> <span class='st'>"Difference"</span>, <span class='kw'>xy</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>,
   <span class='kw'>color</span> <span class='kw'>=</span> <span class='st'>"red"</span>, <span class='kw'>linesize</span> <span class='kw'>=</span> <span class='fl'>1.25</span>, <span class='kw'>fontsize</span> <span class='kw'>=</span> <span class='fl'>12</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -233,33 +243,33 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 axis labels, numbers, and facet headings in pt (default = 12).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A ggplot variable containing difference point-ranges faceted by SSM
 parameter. An interval that does not contain the value of zero has p&lt;.05.</p>
-    
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-          </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -282,6 +292,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_score.html b/docs/reference/ssm_score.html
index e64d2ea5..b85ec533 100644
--- a/docs/reference/ssm_score.html
+++ b/docs/reference/ssm_score.html
@@ -8,21 +8,32 @@
 
 <title>Calculate SSM parameters by row and add results as new columns — ssm_score • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,18 +47,18 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Calculate SSM parameters by row and add results as new columns — ssm_score" />
 
+<meta property="og:title" content="Calculate SSM parameters by row and add results as new columns — ssm_score" />
 <meta property="og:description" content="Calculate the SSM parameters for each row of a data frame and add the results
 as additional columns. This can be useful when the SSM is being used for the
 description or visualization of individual data points rather than for
 statistical inference on groups of data points." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -58,6 +69,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -74,7 +86,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -159,7 +171,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -169,7 +180,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -180,6 +191,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -191,16 +203,14 @@ <h1>Calculate SSM parameters by row and add results as new columns</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Calculate the SSM parameters for each row of a data frame and add the results
 as additional columns. This can be useful when the SSM is being used for the
 description or visualization of individual data points rather than for
 statistical inference on groups of data points.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_score</span>(<span class='no'>.data</span>, <span class='no'>scales</span>, <span class='no'>angles</span>, <span class='no'>...</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -224,12 +234,11 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 <code><a href='ssm_parameters.html'>ssm_parameters</a>()</code>, such as <code>prefix</code> and <code>suffix</code>.</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A data frame containing <code>.data</code> plus six additional columns
 containing the SSM parameters (calculated rowwise).</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other ssm functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
@@ -237,10 +246,9 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='ssm_plot.html'>ssm_plot</a></code>, <code><a href='ssm_table.html'>ssm_table</a></code></p>
 <p>Other analysis functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
   <code><a href='ssm_parameters.html'>ssm_parameters</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"aw2009"</span>)
+    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"aw2009"</span>)
 <span class='fu'>ssm_score</span>(<span class='no'>aw2009</span>, <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>())</div><div class='output co'>#&gt;      PA    BC    DE    FG    HI    JK   LM   NO    Elev      Xval       Yval
 #&gt; 1 -1.09 -1.04 -0.97  0.61  1.41  2.49 1.78 0.27  0.4325 1.2514177 -1.3091258
 #&gt; 2  1.13 -1.04 -0.97 -0.79 -0.56  0.79 1.78 1.52  0.2325 1.4193555  0.5073528
@@ -259,25 +267,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -300,6 +307,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/ssm_table.html b/docs/reference/ssm_table.html
index c9cf9866..b3ae7faf 100644
--- a/docs/reference/ssm_table.html
+++ b/docs/reference/ssm_table.html
@@ -8,21 +8,32 @@
 
 <title>Create HTML table from SSM results or contrasts — ssm_table • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,16 +47,16 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Create HTML table from SSM results or contrasts — ssm_table" />
 
+<meta property="og:title" content="Create HTML table from SSM results or contrasts — ssm_table" />
 <meta property="og:description" content="Take in the results of an SSM analysis and return an HTML table with the
 desired formatting." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -56,6 +67,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -72,7 +84,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -157,7 +169,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -167,7 +178,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -178,6 +189,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -189,14 +201,12 @@ <h1>Create HTML table from SSM results or contrasts</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Take in the results of an SSM analysis and return an HTML table with the
 desired formatting.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>ssm_table</span>(<span class='no'>.ssm_object</span>, <span class='kw'>caption</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>xy</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>, <span class='kw'>render</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -220,12 +230,11 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 the RStudio viewer or web browser (default = TRUE).</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A tibble containing the information for the HTML table. As a
 side-effect, may also output the HTML table to the web viewer.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other ssm functions: <code><a href='ssm_analyze.html'>ssm_analyze</a></code>,
@@ -233,16 +242,16 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='ssm_plot.html'>ssm_plot</a></code>, <code><a href='ssm_score.html'>ssm_score</a></code></p>
 <p>Other table functions: <code><a href='html_render.html'>html_render</a></code>,
   <code><a href='ssm_append.html'>ssm_append</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='co'># Load example data</span>
-<span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"jz2017"</span>)
+    <pre class="examples"><div class='input'><span class='co'># \donttest{</span>
+<span class='co'># Load example data</span>
+<span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"jz2017"</span>)
 
 <span class='co'># Create table of profile results</span>
 <span class='no'>res</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>)
 )
 <span class='fu'>ssm_table</span>(<span class='no'>res</span>)</div><div class='output co'>#&gt; &lt;table class='gmisc_table' style='border-collapse: collapse; margin-top: 1em; margin-bottom: 1em;' &gt;
 #&gt; &lt;thead&gt;
@@ -286,7 +295,7 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 <span class='co'># Create table of contrast results</span>
 <span class='no'>res</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='ssm_analyze.html'>ssm_analyze</a></span>(<span class='no'>jz2017</span>,
   <span class='kw'>scales</span> <span class='kw'>=</span> <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='kw'>angles</span> <span class='kw'>=</span> <span class='fu'><a href='octants.html'>octants</a></span>(),
-  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
+  <span class='kw'>measures</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='no'>NARPD</span>, <span class='no'>ASPD</span>), <span class='kw'>contrast</span> <span class='kw'>=</span> <span class='st'>"test"</span>
 )
 <span class='fu'>ssm_table</span>(<span class='no'>res</span>)</div><div class='output co'>#&gt; &lt;table class='gmisc_table' style='border-collapse: collapse; margin-top: 1em; margin-bottom: 1em;' &gt;
 #&gt; &lt;thead&gt;
@@ -317,32 +326,32 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
 #&gt;   Contrast `&amp;Delta; Elevat~ `&amp;Delta; X-Valu~ `&amp;Delta; Y-Valu~ `&amp;Delta; Amplit~
 #&gt;   </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>    </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>            </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>            </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>            </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span>           
 #&gt; </span><span style='color: #555555;'>1</span><span> ASPD - ~ -0.08 [-0.11, -~ -0.04 [-0.08, -~ 0.02 [-0.01, 0.~ 0.04 [-0.00, 0.~
-#&gt; </span><span style='color: #555555;'># ... with 2 more variables: `&amp;Delta; Displacement` </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span style='color: #555555;'>, `&amp;Delta; Fit` </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span></div></span><div class='input'>
-</div></pre>
+#&gt; </span><span style='color: #555555;'># ... with 2 more variables: `&amp;Delta; Displacement` </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span style='color: #555555;'>, `&amp;Delta; Fit` </span><span style='color: #555555;font-style: italic;'>&lt;chr&gt;</span><span></div><div class='input'># }
+
+</div></span></pre>
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -365,6 +374,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/standardize.html b/docs/reference/standardize.html
index 54be3782..cc3e324e 100644
--- a/docs/reference/standardize.html
+++ b/docs/reference/standardize.html
@@ -8,21 +8,32 @@
 
 <title>Standardize circumplex scales using normative data — standardize • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,18 +47,18 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Standardize circumplex scales using normative data — standardize" />
 
+<meta property="og:title" content="Standardize circumplex scales using normative data — standardize" />
 <meta property="og:description" content="Take in a data frame containing circumplex scales, angle definitions for each
 scale, and normative data (from the package or custom) and return that same
 data frame with each specified circumplex scale transformed into standard
 scores (i.e., z-scores) based on comparison to the normative data." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -58,6 +69,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -74,7 +86,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -159,7 +171,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -169,7 +180,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -180,6 +191,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -191,17 +203,15 @@ <h1>Standardize circumplex scales using normative data</h1>
     </div>
 
     <div class="ref-description">
-    
     <p>Take in a data frame containing circumplex scales, angle definitions for each
 scale, and normative data (from the package or custom) and return that same
 data frame with each specified circumplex scale transformed into standard
 scores (i.e., z-scores) based on comparison to the normative data.</p>
-    
     </div>
 
     <pre class="usage"><span class='fu'>standardize</span>(<span class='no'>.data</span>, <span class='no'>scales</span>, <span class='no'>angles</span>, <span class='no'>instrument</span>, <span class='kw'>sample</span> <span class='kw'>=</span> <span class='fl'>1</span>, <span class='kw'>prefix</span> <span class='kw'>=</span> <span class='st'>""</span>,
   <span class='kw'>suffix</span> <span class='kw'>=</span> <span class='st'>"_z"</span>)</pre>
-    
+
     <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
     <table class="ref-arguments">
     <colgroup><col class="name" /><col class="desc" /></colgroup>
@@ -244,21 +254,19 @@ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arg
 (default = "_z").</p></td>
     </tr>
     </table>
-    
+
     <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>A data frame that matches <code>.data</code> except that new variables are
 appended that contain standardized versions of <code>scales</code>. These new
 variables will have the same name as <code>scales</code> but with a "_z" suffix.</p>
-    
     <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
     <div class='dont-index'><p>Other tidying functions: <code><a href='ipsatize.html'>ipsatize</a></code>,
   <code><a href='score.html'>score</a></code></p></div>
-    
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
-    <pre class="examples"><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"jz2017"</span>)
+    <pre class="examples"><div class='input'><span class='fu'><a href='https://rdrr.io/r/utils/data.html'>data</a></span>(<span class='st'>"jz2017"</span>)
 <span class='fu'><a href='instrument.html'>instrument</a></span>(<span class='st'>"iipsc"</span>)
 <span class='fu'>standardize</span>(<span class='no'>jz2017</span>, <span class='no'>PA</span>:<span class='no'>NO</span>, <span class='fu'><a href='octants.html'>octants</a></span>(), <span class='kw'>instrument</span> <span class='kw'>=</span> <span class='no'>iipsc</span>, <span class='kw'>sample</span> <span class='kw'>=</span> <span class='fl'>1</span>)</div><div class='output co'>#&gt; <span style='color: #555555;'># A tibble: 1,166 x 27</span><span>
 #&gt;    Gender    PA    BC    DE    FG    HI    JK    LM    NO PARPD SCZPD SZTPD
@@ -282,25 +290,24 @@ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examp
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
       <li><a href="#arguments">Arguments</a></li>
-      
       <li><a href="#value">Value</a></li>
-
       <li><a href="#see-also">See also</a></li>
-      
       <li><a href="#examples">Examples</a></li>
     </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -323,6 +330,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
diff --git a/docs/reference/tidyeval.html b/docs/reference/tidyeval.html
index 02fd59a5..942d3fb9 100644
--- a/docs/reference/tidyeval.html
+++ b/docs/reference/tidyeval.html
@@ -8,21 +8,32 @@
 
 <title>Tidy eval helpers — tidyeval • circumplex</title>
 
+<!-- favicons -->
+<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
+<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
+<link rel="apple-touch-icon" type="image/png" sizes="180x180" href="../apple-touch-icon.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="120x120" href="../apple-touch-icon-120x120.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="76x76" href="../apple-touch-icon-76x76.png" />
+<link rel="apple-touch-icon" type="image/png" sizes="60x60" href="../apple-touch-icon-60x60.png" />
+
 <!-- jquery -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
 <!-- Bootstrap -->
 <link href="https://cdnjs.cloudflare.com/ajax/libs/bootswatch/3.3.7/flatly/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous" />
 
+
 <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha256-U5ZEeKfGNOja007MMD3YBI0A3OSZOQbeG6z2f2Y0hu8=" crossorigin="anonymous"></script>
 
 <!-- Font Awesome icons -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/all.min.css" integrity="sha256-nAmazAk6vS34Xqo0BSrTb+abbtFlgsFK7NKSi6o7Y78=" crossorigin="anonymous" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.7.1/css/v4-shims.min.css" integrity="sha256-6qHlizsOWFskGlwVOKuns+D1nB6ssZrHQrNj1wGplHc=" crossorigin="anonymous" />
 
 <!-- clipboard.js -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.4/clipboard.min.js" integrity="sha256-FiZwavyI2V6+EXO1U+xzLG3IKldpiTFf3153ea9zikQ=" crossorigin="anonymous"></script>
 
-<!-- sticky kit -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/sticky-kit/1.1.3/sticky-kit.min.js" integrity="sha256-c4Rlo1ZozqTPE2RLuvbusY3+SU1pQaJC0TjuhygMipw=" crossorigin="anonymous"></script>
+<!-- headroom.js -->
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/headroom.min.js" integrity="sha256-DJFC1kqIhelURkuza0AvYal5RxMtpzLjFhsnVIeuk+U=" crossorigin="anonymous"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.4/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
 
 <!-- pkgdown -->
 <link href="../pkgdown.css" rel="stylesheet">
@@ -36,9 +47,10 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/jquery.mark.min.js" integrity="sha256-4HLtjeVgH0eIB3aZ9mLYF6E8oU5chNdjU6p6rrXpl9U=" crossorigin="anonymous"></script>
 
 
-<meta property="og:title" content="Tidy eval helpers — tidyeval" />
 
+<meta property="og:title" content="Tidy eval helpers — tidyeval" />
 <meta property="og:description" content="
+
 sym() creates a symbol from a string and
 syms() creates a list of symbols from a
 character vector.
@@ -53,18 +65,18 @@
 enexprs() and enquos()
 capture multiple expressions supplied as arguments, including
 ....
-" />
 
-<meta property="og:description" content="exprs() is not exported to avoid conflicts with Biobase::exprs(),
+
+exprs() is not exported to avoid conflicts with Biobase::exprs(),
 therefore one should always use rlang::exprs().
 To learn more about tidy eval and how to use these tools, visit
 http://rlang.r-lib.org and the Metaprogramming section of Advanced R." />
-
 <meta property="og:image" content="https://circumplex.jmgirard.com/logo.png" />
 <meta name="twitter:card" content="summary" />
 
 
 
+
 <!-- mathjax -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
@@ -75,6 +87,7 @@
 <![endif]-->
 
 
+
   </head>
 
   <body>
@@ -91,7 +104,7 @@
       </button>
       <span class="navbar-brand">
         <a class="navbar-link" href="../index.html">circumplex</a>
-        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.2</span>
+        <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.3.3</span>
       </span>
     </div>
 
@@ -176,7 +189,6 @@
   <a href="../news/index.html">News</a>
 </li>
       </ul>
-      
       <ul class="nav navbar-nav navbar-right">
         <li>
   <a href="https://github.com/jmgirard/circumplex">
@@ -186,7 +198,7 @@
 </li>
       </ul>
       
-      <form class="navbar-form navbar-right" role="search">
+      <form class="navbar-form navbar-right hidden-xs hidden-sm" role="search">
         <div class="form-group">
           <input type="search" class="form-control" name="search-input" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
         </div>
@@ -197,6 +209,7 @@
 </div><!--/.navbar -->
 
       
+
       </header>
 
 <div class="row">
@@ -209,7 +222,7 @@ <h1>Tidy eval helpers</h1>
 
     <div class="ref-description">
     
-    <ul>
+<ul>
 <li><p><code><a href='https://rlang.r-lib.org/reference/quotation.html'>sym</a>()</code> creates a symbol from a string and
 <code><a href='https://rlang.r-lib.org/reference/quotation.html'>syms</a>()</code> creates a list of symbols from a
 character vector.</p></li>
@@ -226,32 +239,34 @@ <h1>Tidy eval helpers</h1>
 <code>...</code>.</p></li>
 </ul>
 
-    <p><code>exprs()</code> is not exported to avoid conflicts with <code>Biobase::exprs()</code>,
+<p><code>exprs()</code> is not exported to avoid conflicts with <code>Biobase::exprs()</code>,
 therefore one should always use <code><a href='https://rlang.r-lib.org/reference/quotation.html'>rlang::exprs()</a></code>.</p>
 <p>To learn more about tidy eval and how to use these tools, visit
 <a href='http://rlang.r-lib.org'>http://rlang.r-lib.org</a> and the <a href='https://adv-r.hadley.nz/metaprogramming.html'>Metaprogramming section</a> of <a href='https://adv-r.hadley.nz'>Advanced R</a>.</p>
-    
     </div>
 
-        
+
+
 
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
     <ul class="nav nav-pills nav-stacked">
-                </ul>
+    </ul>
 
   </div>
 </div>
 
+
       <footer>
       <div class="copyright">
   <p>Developed by <a href='https://www.jmgirard.com'>Jeffrey Girard</a>, <a href='https://www.uni-kassel.de/fb01/institute/psychologie/differentielle-psychologie/johannes-zimmermann-prof-dr.html'>Johannes Zimmermann</a>, <a href='https://www.personalityprocesses.com'>Aidan Wright</a>.</p>
 </div>
 
 <div class="pkgdown">
-  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.3.0.</p>
+  <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.4.1.</p>
 </div>
+
       </footer>
    </div>
 
@@ -274,6 +289,8 @@ <h2>Contents</h2>
 </script>
 
 
+
   </body>
 </html>
 
+
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