edu.indiana.iucbrf.problem.differentiator
Class AverageProblemDifferentiator

java.lang.Object
  edu.indiana.iucbrf.problem.differentiator.AbstractProblemDifferentiator
      edu.indiana.iucbrf.problem.differentiator.AverageProblemDifferentiator

All Implemented Interfaces:

ProblemDifferentiator, Differentiator, java.io.Serializable

Direct Known Subclasses:

AverageIgnoreProblemDifferentiator

public class AverageProblemDifferentiator
extends AbstractProblemDifferentiator

Calculates a weighted average distance over the features of two problems.

See Also:

Serialized Form

Field Summary

Fields inherited from class edu.indiana.iucbrf.problem.differentiator.AbstractProblemDifferentiator

defaultIndices, keyToFeatureDifferentiator, similarityWts, unknownFeatureHandler

Constructor Summary

AverageProblemDifferentiator(DoubleCollection similarityWts, java.util.HashSet defaultIndices, Domain domain)
Creates a new instance of AverageProblemDifferentiator

AverageProblemDifferentiator(DoubleCollection similarityWts, java.util.HashSet defaultIndices, UnknownFeatureHandler unknownFeatureHandler, Domain domain)

Method Summary

protected double	calcDifference(Problem p1, Problem p2, java.util.Collection indicesToUse) Calculates a weighted average difference between features
java.lang.String	toString()

Methods inherited from class edu.indiana.iucbrf.problem.differentiator.AbstractProblemDifferentiator

addSimilarityWeight, calcDifference, calcDifference, defaultIndicesIterator, equals, getDefaultIndices, getFeatureDifferentiator, getIndexCount, getSimilarityWeights, getUnknownFeatureHandler, hashCode, isIndex, removeFeature, setIsIndex, setOverridingFeatureDifferentiator, setToDefaultFeatureDifferentiator, setToDefaultFeatureDifferentiator, setUnknownFeatureHandler, setupDefaultFeatureDifferentiators

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AverageProblemDifferentiator

public AverageProblemDifferentiator(DoubleCollection similarityWts,
                                    java.util.HashSet defaultIndices,
                                    Domain domain)

Creates a new instance of AverageProblemDifferentiator

AverageProblemDifferentiator

public AverageProblemDifferentiator(DoubleCollection similarityWts,
                                    java.util.HashSet defaultIndices,
                                    UnknownFeatureHandler unknownFeatureHandler,
                                    Domain domain)

Method Detail

calcDifference

protected double calcDifference(Problem p1,
                                Problem p2,
                                java.util.Collection indicesToUse)

Calculates a weighted average difference between features

Specified by:

calcDifference in class AbstractProblemDifferentiator

toString

public java.lang.String toString()

Overrides:

toString in class AbstractProblemDifferentiator