4.4" data-path="mult_graphs.html"><a href="mult_graphs.html"><i class="fa fa-check"></i><b>4.4</b> Multiple graphs</a></li>
<li class="chapter" data-level="4.5" data-path="export_plots.html"><a href="export_plots.html"><i class="fa fa-check"></i><b>4.5</b> Exporting plots</a></li>
<li class="chapter" data-level="4.6" data-path="exercise-4.html"><a href="exercise-4.html"><i class="fa fa-check"></i><b>4.6</b> Exercise 4</a></li>
</ul></li>
<li class="chapter" data-level="5" data-path="graphics_r.html"><a href