edu.indiana.iucbrf.problem.differentiator
Class EuclideanProblemDifferentiator

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

All Implemented Interfaces:

ProblemDifferentiator, Differentiator, java.io.Serializable

Direct Known Subclasses:

NormalizedEuclideanProblemDifferentiator

public class EuclideanProblemDifferentiator
extends AbstractProblemDifferentiator

Calculates the weighted Euclidean distance between two problems.

See Also:

Serialized Form

Field Summary

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

defaultIndices, keyToFeatureDifferentiator, similarityWts, unknownFeatureHandler

Constructor Summary

protected	EuclideanProblemDifferentiator()
	EuclideanProblemDifferentiator(DoubleCollection similarityWts, java.util.HashSet defaultIndices, Domain domain) Creates a new instance of EuclideanProblemDifferentiator
	EuclideanProblemDifferentiator(DoubleCollection similarityWts, java.util.HashSet defaultIndices, UnknownFeatureHandler unknownFeatureHandler, Domain domain) Creates a new instance of EuclideanProblemDifferentiator

Method Summary

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

EuclideanProblemDifferentiator

protected EuclideanProblemDifferentiator()

EuclideanProblemDifferentiator

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

Creates a new instance of EuclideanProblemDifferentiator

EuclideanProblemDifferentiator

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

Creates a new instance of EuclideanProblemDifferentiator

Method Detail

calcDifference

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

Specified by:

calcDifference in class AbstractProblemDifferentiator

toString

public java.lang.String toString()

Overrides:

toString in class AbstractProblemDifferentiator