Package elki.clustering.kmeans.spherical

Class SphericalSingleAssignmentKMeans.Instance

java.lang.Object

elki.clustering.kmeans.AbstractKMeans.Instance

elki.clustering.kmeans.spherical.SphericalKMeans.Instance

elki.clustering.kmeans.spherical.SphericalSingleAssignmentKMeans.Instance

Enclosing class:

SphericalSingleAssignmentKMeans<V extends NumberVector>

public static class SphericalSingleAssignmentKMeans.Instance
extends SphericalKMeans.Instance

Instance for a particular data set.

Author:

Alexander Voß, Andreas Lang

Field Summary

Fields inherited from class elki.clustering.kmeans.AbstractKMeans.Instance

assignment, clusters, diststat, isSquared, k, key, means, relation, varsum

Constructor Summary

Constructors

Constructor	Description
Instance(Relation<? extends NumberVector> relation, double[][] means)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Logging	getLogger()	Get the class logger.
int	iterate(int iteration)	Main loop function.

Methods inherited from class elki.clustering.kmeans.spherical.SphericalKMeans.Instance

assignToNearestCluster, distance, distance, distance, initialSeparation, means, meansFromSums, movedSimilarity, recomputeVariance, similarity, similarity, sqrtdistance, sqrtdistance

Methods inherited from class elki.clustering.kmeans.AbstractKMeans.Instance

buildResult, buildResult, computeSquaredSeparation, copyMeans, initialSeperation, movedDistance, recomputeSeperation, run, sqrtdistance

Methods inherited from class java.lang.Object

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

Constructor Detail

Instance

public Instance(Relation<? extends NumberVector> relation,
                double[][] means)

Constructor.

Parameters:

relation - Data relation

means - Initial cluster means

Method Detail

iterate

public int iterate(int iteration)

Description copied from class: AbstractKMeans.Instance

Main loop function.

Overrides:

iterate in class SphericalKMeans.Instance

Parameters:

iteration - Iteration number (beginning at 1)

Returns:

Number of reassigned points

getLogger

protected Logging getLogger()

Description copied from class: AbstractKMeans.Instance

Get the class logger.

Overrides:

getLogger in class SphericalKMeans.Instance

Returns:

Logger