f</a></strong>()</code>
<div class="block">Returns true if the node is a leaf node (if
 both its left and right child are null).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../weka/core/neighboursearch/balltrees/BallNode.html#numInstances()">numInstances</a></strong>()</code>
<div class="block">Returns the number of instances in the
 hyper-spherical region of this node.</div>
</td>
</tr>
<tr class="rowColor">
<td clas