 How to wrangle data</a></li>
<li class="chapter" data-level="4.4" data-path="tidy-data.html"><a href="tidy-data.html#how-to-wrangle-data-at-scale"><i class="fa fa-check"></i><b>4.4</b> How to wrangle data at scale</a></li>
<li class="chapter" data-level="4.5" data-path="tidy-data.html"><a href="tidy-data.html#modeling-and-visualizing-tidy-data"><i class="fa fa-check"></i><b>4.5</b> Modeling and visualizing tidy data</a></li>
</ul></li>
<li class="chapter" data-level="5" data-path="functional-programming.ht