ass="rowColor">
<th class="colFirst" scope="row"><a href="ColGroupEmpty.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupEmpty</a></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="ColGroupFactory.html" title="class in org.apache.sysds.runtime.compress.colgroup">ColGroupFactory</a></th>
<td class="colLast">
<div class="block">Factory class for constructing ColGroups.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst"