        <a href="../../../../weka/core/Instances.html" title="class in weka.core">Instances</a>&nbsp;insts)</pre>
<div class="block">Calculates the centroid pivot of a node. The node is given
 in the form of an indices array that contains the 
 indices of the points inside the node.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>instList</code> - The indices array pointing to the 
 instances in the node.</dd><dd><code>insts</code> - The actual instances. The instList
 points to instance