>isMissingAt</h4>
<pre>public&nbsp;boolean&nbsp;isMissingAt(int&nbsp;rowIndex,
                  int&nbsp;columnIndex)</pre>
<div class="block">checks whether the value at the given position is missing</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>rowIndex</code> - the row index</dd><dd><code>columnIndex</code> - the column index</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the value at the position is missing</dd></dl>
</li>
</ul>
<a name="getInstancesValueAt(int, int