Package elki.clustering.hierarchical.extraction

Class CutDendrogramByNumberOfClusters

java.lang.Object

elki.clustering.hierarchical.extraction.AbstractCutDendrogram

elki.clustering.hierarchical.extraction.CutDendrogramByNumberOfClusters

All Implemented Interfaces:

Algorithm, ClusteringAlgorithm<Clustering<DendrogramModel>>

public class CutDendrogramByNumberOfClusters
extends AbstractCutDendrogram
implements ClusteringAlgorithm<Clustering<DendrogramModel>>

Extract a flat clustering from a full hierarchy, represented in pointer form.

Since:

0.7.5

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	CutDendrogramByNumberOfClusters.Instance	Instance for a single data set.
static class	CutDendrogramByNumberOfClusters.Par	Parameterization class.

Nested classes/interfaces inherited from interface elki.Algorithm

Algorithm.Utils

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static Logging	LOG	Class logger.
private int	minclusters	Minimum number of clusters to extract

Fields inherited from class elki.clustering.hierarchical.extraction.AbstractCutDendrogram

algorithm, hierarchical, simplify

Constructor Summary

Constructors

Constructor	Description
CutDendrogramByNumberOfClusters(HierarchicalClusteringAlgorithm algorithm, int minclusters, boolean hierarchical)	Constructor.
CutDendrogramByNumberOfClusters(HierarchicalClusteringAlgorithm algorithm, int minclusters, boolean hierarchical, boolean simplify)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected Logging	getLogger()
Clustering<DendrogramModel>	run(ClusterMergeHistory merges)	Process a pointer hierarchy result.

Methods inherited from class elki.clustering.hierarchical.extraction.AbstractCutDendrogram

getInputTypeRestriction, run

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.Algorithm

getInputTypeRestriction

Methods inherited from interface elki.clustering.ClusteringAlgorithm

autorun

Field Detail

LOG

static final Logging LOG

Class logger.

minclusters

private final int minclusters

Minimum number of clusters to extract

Constructor Detail

CutDendrogramByNumberOfClusters

public CutDendrogramByNumberOfClusters(HierarchicalClusteringAlgorithm algorithm,
                                       int minclusters,
                                       boolean hierarchical)

Constructor.

Parameters:

algorithm - Algorithm to run

minclusters - Minimum number of clusters

hierarchical - Produce a hierarchical output

CutDendrogramByNumberOfClusters

public CutDendrogramByNumberOfClusters(HierarchicalClusteringAlgorithm algorithm,
                                       int minclusters,
                                       boolean hierarchical,
                                       boolean simplify)

Constructor.

Parameters:

algorithm - Algorithm to run

minclusters - Minimum number of clusters

hierarchical - Produce a hierarchical output

simplify - Simplify by putting single points into merge clusters

Method Detail

run

public Clustering<DendrogramModel> run(ClusterMergeHistory merges)

Description copied from class: AbstractCutDendrogram

Process a pointer hierarchy result.

Specified by:

run in class AbstractCutDendrogram

Parameters:

merges - Hierarchical result in pointer representation.

Returns:

Clustering

getLogger

protected Logging getLogger()

Specified by:

getLogger in class AbstractCutDendrogram