apter" data-level="10.2.6" data-path="intro-to-r.html"><a href="intro-to-r.html#writing-functions"><i class="fa fa-check"></i><b>10.2.6</b> Writing functions</a></li>
<li class="chapter" data-level="10.2.7" data-path="intro-to-r.html"><a href="intro-to-r.html#data-types-1"><i class="fa fa-check"></i><b>10.2.7</b> Data types</a></li>
<li class="chapter" data-level="10.2.8" data-path="intro-to-r.html"><a href="intro-to-r.html#vectors"><i class="fa fa-check"></i><b>10.2.8</b> Vectors</a></li>
<li class="chapte