ata-level="12.9" data-path="modeling-categorical-relationships.html"><a href="modeling-categorical-relationships.html#learning-objectives-11"><i class="fa fa-check"></i><b>12.9</b> Learning objectives</a></li>
<li class="chapter" data-level="12.10" data-path="modeling-categorical-relationships.html"><a href="modeling-categorical-relationships.html#additional-readings"><i class="fa fa-check"></i><b>12.10</b> Additional readings</a></li>
</ul></li>
<li class="chapter" data-level="13" data-path="modeling-conti