="unsup-lrn.html#review-questions-12"><i class="fa fa-check"></i><b>14.3</b> Review Questions</a></li>
</ul></li>
<li class="chapter" data-level="15" data-path="data-viz.html"><a href="data-viz.html"><i class="fa fa-check"></i><b>15</b> Data Visualization</a>
<ul>
<li class="chapter" data-level="15.1" data-path="data-viz.html"><a href="data-viz.html#best-practices"><i class="fa fa-check"></i><b>15.1</b> Best Practices</a>
<ul>
<li class="chapter" data-level="15.1.1" data-path="data-viz.html"><a href="data-v