<li class="chapter" data-level="3.1.1" data-path="packages.html"><a href="packages.html#install.packages"><i class="fa fa-check"></i><b>3.1.1</b> install.packages</a></li>
<li class="chapter" data-level="3.1.2" data-path="packages.html"><a href="packages.html#library"><i class="fa fa-check"></i><b>3.1.2</b> library</a></li>
</ul></li>
<li class="chapter" data-level="3.2" data-path="packages.html"><a href="packages.html#getting-help-with-help-pages"><i class="fa fa-check"></i><b>3.2</b> Getting Help with Hel