r>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="#org.apache.sysds.runtime.matrix.data.sketch.countdistinct">org.apache.sysds.runtime.matrix.data.sketch.countdistinct</a></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox">org.apache.sysds.runtime.matrix.data.sketch.countdistinctapprox</a></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<th class="colFir