hat-makes-a-chart-effective"><i class="fa fa-check"></i><b>4.2.1</b> What makes a chart effective?</a></li>
<li class="chapter" data-level="4.2.2" data-path="patterns.html"><a href="patterns.html#how-to-decide-which-chart-type-to-use"><i class="fa fa-check"></i><b>4.2.2</b> How to decide which chart type to use?</a></li>
</ul></li>
<li class="chapter" data-level="4.3" data-path="patterns.html"><a href="patterns.html#tips-to-improve-data-visualization"><i class="fa fa-check"></i><b>4.3</b> Tips to Improve Da