>
<h4>calcRadius</h4>
<pre>public static&nbsp;double&nbsp;calcRadius(<a href="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</a>&nbsp;child1,
                <a href="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</a>&nbsp;child2,
                <a href="../../../../weka/core/Instance.html" title="class in weka.core">Instance</a>&nbsp;pivot,
           