pattern-analysis-v.html#activity-7"><i class="fa fa-check"></i><b>18.5</b> Activity</a></li>
</ul></li>
<li class="chapter" data-level="" data-path="part-iv-data-in-areal-units.html"><a href="part-iv-data-in-areal-units.html"><i class="fa fa-check"></i>Part IV: Data in Areal Units</a></li>
<li class="chapter" data-level="19" data-path="area-data-i.html"><a href="area-data-i.html"><i class="fa fa-check"></i><b>19</b> Area Data I</a>
<ul>
<li class="chapter" data-level="19.1" data-path="area-data-i.html"><a h