Package com.evolveum.midpoint.model.impl.mining.algorithm.cluster.mechanism

Class JaccardDistancesMeasure

java.lang.Object

com.evolveum.midpoint.model.impl.mining.algorithm.cluster.mechanism.JaccardDistancesMeasure

All Implemented Interfaces:

DistanceMeasure, Serializable

public class JaccardDistancesMeasure
extends Object
implements DistanceMeasure

A distance measure implementation for calculating the Jaccard distance/similarity between two sets of values.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
JaccardDistancesMeasure(int minIntersection)	Constructs a JaccardDistancesMeasure with the specified minimum intersection size for calculation.
JaccardDistancesMeasure(int minIntersection, @NotNull Set<RoleAnalysisAttributeDefConvert> attributesMatch, int minIntersectionAttributes)

Method Summary

Modifier and Type	Method	Description
double	computeBalancedDistance(@NotNull Set<String> valueA, @NotNull Set<String> valueB)	Computes the Jaccard distance between two sets of values.
double	computeMultiValueAttributes(@NotNull Set<String> valueA, @NotNull Set<String> valueB)
double	computeRuleDistance(@NotNull ExtensionProperties valueA, @NotNull ExtensionProperties valueB, @NotNull Set<ClusterExplanation> explanation)
double	computeSimpleDistance(@NotNull Set<String> valueA, @NotNull Set<String> valueB)

Methods inherited from class java.lang.Object

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

Constructor Details

JaccardDistancesMeasure

public JaccardDistancesMeasure(int minIntersection)

Constructs a JaccardDistancesMeasure with the specified minimum intersection size for calculation.

Parameters:

minIntersection - The minimum intersection size required for Jaccard distance computation.

JaccardDistancesMeasure

public JaccardDistancesMeasure(int minIntersection,
 @NotNull
 @NotNull Set<RoleAnalysisAttributeDefConvert> attributesMatch,
 int minIntersectionAttributes)

Method Details

computeBalancedDistance

public double computeBalancedDistance(@NotNull
 @NotNull Set<String> valueA,
 @NotNull
 @NotNull Set<String> valueB)

Computes the Jaccard distance between two sets of values.

Specified by:

computeBalancedDistance in interface DistanceMeasure

Parameters:

valueA - The first set of values.

valueB - The second set of values.

Returns:

The computed Jaccard distance between the sets.

computeMultiValueAttributes

public double computeMultiValueAttributes(@NotNull
 @NotNull Set<String> valueA,
 @NotNull
 @NotNull Set<String> valueB)

Specified by:

computeMultiValueAttributes in interface DistanceMeasure

computeRuleDistance

public double computeRuleDistance(@NotNull
 @NotNull ExtensionProperties valueA,
 @NotNull
 @NotNull ExtensionProperties valueB,
 @NotNull
 @NotNull Set<ClusterExplanation> explanation)

Specified by:

computeRuleDistance in interface DistanceMeasure

computeSimpleDistance

public double computeSimpleDistance(@NotNull
 @NotNull Set<String> valueA,
 @NotNull
 @NotNull Set<String> valueB)

Specified by:

computeSimpleDistance in interface DistanceMeasure