<!DOCTYPE html>
<html>
<head>
<title>{{page.title}} · R for Data Science</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="www/bootstrap.min.css" rel="stylesheet">
<link href="www/highlight.css" rel="stylesheet">
<script src="www/jquery-1.11.0/jquery.min.js"></script>
<script src="www/htmlwidgets-0.5/htmlwidgets.js"></script>
<link href="www/str_view-0.1.0/str_view.css" rel="stylesheet" />
<script src="www/str_view-binding-1.0.0.9000/str_view.js"></script>
<link href='http://fonts.googleapis.com/css?family=Inconsolata:400,700'
rel='stylesheet' type='text/css'>
</head>
<body>
<div class="container">
<div class="masthead">
<ul class="nav nav-pills pull-right">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">
Table of contents <b class="caret"></b>
</a>
<ul class="dropdown-menu pull-right" role="menu">
{% include package-nav.html %}
</ul>
</li>
</ul>
<h3 class="muted"><a href="/">R for data science</a> <small>by Garrett Grolemund and Hadley Wickham</small></h3>
<hr>
</div>
<div class="row">
<div class="col-xs-12 col-sm-3" id="nav">
<h4>Contents</h4>
<ul class="list-unstyled" id="toc"></ul>
<hr>
<p><a href="/contribute.html">How to contribute</a></p>
<p><a class="btn btn-primary" href="https://github.com/hadley/r4ds/edit/master/{{page.path}}">Edit this page</a></p>
</div>
<div id="content" class="col-xs-12 col-sm-8 pull-right">
{{ content }}
</div>
</div>
<div class="footer">
<hr>
<p>© Garrett Grolemund & Hadley Wickham. Powered by <a href="http://jekyllrb.com/">jekyll</a>,
<a href="http://yihui.name/knitr/">knitr</a>, and
<a href="http://johnmacfarlane.net/pandoc/">pandoc</a>. Source
available on <a href="https://github.com/hadley/r4ds/">github</a>.
</p>
</div>
</div> <!-- /container -->
<script src="//code.jquery.com/jquery.js"></script>
<script src="www/bootstrap.min.js"></script>
<script src="www/toc.js"></script>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-67989-17', 'auto');
ga('send', 'pageview');
</script>
</body>
</html>