ion">ASEvaluation</a>
implements <a href="../../weka/attributeSelection/AttributeEvaluator.html" title="interface in weka.attributeSelection">AttributeEvaluator</a>, <a href="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</a></pre>
<div class="block"><!-- globalinfo-start --> GainRatioAttributeEval :<br/>
 <br/>
 Evaluates the worth of an attribute by measuring the gain ratio with respect
 to the class.<br/>
 <br/>
 GainR(Class, Attribute) = (H(Class) - H(Class | Attribute)