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