pter" data-level="3.7" data-path="exercise-3.html"><a href="exercise-3.html"><i class="fa fa-check"></i><b>3.7</b> Exercise 3</a></li>
</ul></li>
<li class="chapter" data-level="4" data-path="graphics_base_r.html"><a href="graphics_base_r.html"><i class="fa fa-check"></i><b>4</b> Graphics with base R</a>
<ul>
<li class="chapter" data-level="4.1" data-path="baseplot_start.html"><a href="baseplot_start.html"><i class="fa fa-check"></i><b>4.1</b> Getting started</a></li>
<li class="chapter" data-level="4.2" da