weka.attributeSelection

Class AttributeSetEvaluator

java.lang.Object

weka.attributeSelection.ASEvaluation

weka.attributeSelection.AttributeSetEvaluator

All Implemented Interfaces:

java.io.Serializable, CapabilitiesHandler, RevisionHandler

public abstract class AttributeSetEvaluator
extends ASEvaluation

Abstract attribute set evaluator.

Version:

$Revision: 1.3 $

Author:

Zheng Zhao: zhaozheng at asu.edu

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AttributeSetEvaluator()

Method Summary

Modifier and Type	Method and Description
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, clean, forName, getCapabilities, getRevision, makeCopies, postProcess

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 java.lang.Exception

evaluates an individual attribute

Parameters:

attribute - the index of the attribute to be evaluated

Returns:

the "merit" of the attribute

Throws:

java.lang.Exception - if the attribute could not be evaluated

evaluateAttribute

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

Evaluates a set of attributes

Parameters:

attributes - an int[] value

classAttributes - an int[] value

Returns:

a double value

Throws:

java.lang.Exception - if an error occurs