weka.attributeSelection
Class AttributeSetEvaluator

java.lang.Object
  weka.attributeSelection.ASEvaluation
      weka.attributeSelection.AttributeSetEvaluator

All Implemented Interfaces:

Serializable, CapabilitiesHandler, RevisionHandler

public abstract class AttributeSetEvaluator
extends ASEvaluation

Abstract attribute set evaluator.

Version:

$Revision: 8034 $

Author:

Zheng Zhao: zhaozheng at asu.edu

See Also:

Serialized Form

Constructor Summary

AttributeSetEvaluator()

Method Summary

abstract double	evaluateAttribute(int attribute) evaluates an individual attribute
abstract double	evaluateAttribute(int[] attributes, int[] classAttributes) Evaluates a set of attributes

Methods inherited from class weka.attributeSelection.ASEvaluation

buildEvaluator, forName, getCapabilities, getRevision, makeCopies, postProcess, runEvaluator

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AttributeSetEvaluator

public AttributeSetEvaluator()

Method Detail

evaluateAttribute

public abstract double evaluateAttribute(int attribute)
                                  throws Exception

evaluates an individual attribute

Parameters:

attribute - the index of the attribute to be evaluated

Returns:

the "merit" of the attribute

Throws:

Exception - if the attribute could not be evaluated

evaluateAttribute

public abstract double evaluateAttribute(int[] attributes,
                                         int[] classAttributes)
                                  throws Exception

Evaluates a set of attributes

Parameters:

attributes - an int[] value

classAttributes - an int[] value

Returns:

a double value

Throws:

Exception - if an error occurs