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## weka.attributeSelection
Class SubsetEvaluator

    java.lang.Object
      weka.attributeSelection.ASEvaluation
          weka.attributeSelection.SubsetEvaluator

All Implemented Interfaces:
  java.io.Serializable

Direct Known Subclasses:
  CfsSubsetEval, ConsistencySubsetEval, HoldOutSubsetEvaluator, UnsupervisedSubsetEvaluator, WrapperSubsetEval

    public abstract class SubsetEvaluator

extends ASEvaluation

Abstract attribute subset evaluator.

Version:
  $Revision: 1.7 $
Author:
  Mark Hall (mhall@cs.waikato.ac.nz)
See Also:
  Serialized Form

Constructor Summary
`SubsetEvaluator()`

Method Summary
`abstract double` | `evaluateSubset(java.util.BitSet subset)` evaluates a subset of attributes

Methods inherited from class weka.attributeSelection.ASEvaluation
`buildEvaluator, forName, makeCopies, postProcess`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SubsetEvaluator

    public SubsetEvaluator()

Method Detail

### evaluateSubset

    public abstract double evaluateSubset(java.util.BitSet subset)
                                   throws java.lang.Exception

  evaluates a subset of attributes

  Parameters:
    `subset` - a bitset representing the attribute subset to be evaluated
  Returns:
    the "merit" of the subset
  Throws:
    `java.lang.Exception` - if the subset could not be evaluated

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