Package elki.similarity.cluster

Class ClusterIntersectionSimilarity

java.lang.Object

elki.similarity.cluster.ClusterIntersectionSimilarity

All Implemented Interfaces:

elki.distance.Distance<Cluster<?>>, elki.distance.PrimitiveDistance<Cluster<?>>, elki.similarity.PrimitiveSimilarity<Cluster<?>>, elki.similarity.Similarity<Cluster<?>>

public class ClusterIntersectionSimilarity
extends java.lang.Object
implements elki.distance.PrimitiveDistance<Cluster<?>>, elki.similarity.PrimitiveSimilarity<Cluster<?>>

Measure the similarity of clusters via the intersection size.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ClusterIntersectionSimilarity.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
static ClusterIntersectionSimilarity	STATIC	Static instance.

Constructor Summary

Constructors

Constructor	Description
ClusterIntersectionSimilarity()	Constructor - use the static instance STATIC!

Method Summary

Modifier and Type	Method	Description
double	distance(Cluster<?> o1, Cluster<?> o2)
elki.data.type.SimpleTypeInformation<? super Cluster<?>>	getInputTypeRestriction()
<T extends Cluster<?>> elki.database.query.DistanceSimilarityQuery<T>	instantiate(elki.database.relation.Relation<T> relation)
boolean	isMetric()
boolean	isSymmetric()
double	similarity(Cluster<?> o1, Cluster<?> o2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.distance.Distance

isSquared

Field Detail

STATIC

public static final ClusterIntersectionSimilarity STATIC

Static instance.

Constructor Detail

ClusterIntersectionSimilarity

public ClusterIntersectionSimilarity()

Constructor - use the static instance STATIC!

Method Detail

similarity

public double similarity(Cluster<?> o1,
                         Cluster<?> o2)

Specified by:

similarity in interface elki.similarity.PrimitiveSimilarity<Cluster<?>>

distance

public double distance(Cluster<?> o1,
                       Cluster<?> o2)

Specified by:

distance in interface elki.distance.PrimitiveDistance<Cluster<?>>

isSymmetric

public boolean isSymmetric()

Specified by:

isSymmetric in interface elki.distance.Distance<Cluster<?>>

Specified by:

isSymmetric in interface elki.similarity.Similarity<Cluster<?>>

isMetric

public boolean isMetric()

Specified by:

isMetric in interface elki.distance.Distance<Cluster<?>>

instantiate

public <T extends Cluster<?>> elki.database.query.DistanceSimilarityQuery<T> instantiate(elki.database.relation.Relation<T> relation)

Specified by:

instantiate in interface elki.distance.Distance<Cluster<?>>

Specified by:

instantiate in interface elki.distance.PrimitiveDistance<Cluster<?>>

Specified by:

instantiate in interface elki.similarity.PrimitiveSimilarity<Cluster<?>>

Specified by:

instantiate in interface elki.similarity.Similarity<Cluster<?>>

getInputTypeRestriction

public elki.data.type.SimpleTypeInformation<? super Cluster<?>> getInputTypeRestriction()

Specified by:

getInputTypeRestriction in interface elki.distance.Distance<Cluster<?>>

Specified by:

getInputTypeRestriction in interface elki.distance.PrimitiveDistance<Cluster<?>>

Specified by:

getInputTypeRestriction in interface elki.similarity.Similarity<Cluster<?>>