/core/Instance.html" title="class in weka.core">Instance</a>&nbsp;pivot,
          <a href="../../../../weka/core/DistanceFunction.html" title="interface in weka.core">DistanceFunction</a>&nbsp;distanceFunction)</code>
<div class="block">Calculates the radius of a node based on its two 
 child nodes (if merging two nodes).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static double</code></td>
<td class="colLast"><code><strong><a href="../../../../weka/core/neighboursearch/balltrees/Bal