Package elki.clustering.hierarchical.extraction

Class CutDendrogramByHeight

java.lang.Object

elki.clustering.hierarchical.extraction.AbstractCutDendrogram

elki.clustering.hierarchical.extraction.CutDendrogramByHeight

All Implemented Interfaces:

Algorithm, ClusteringAlgorithm<Clustering<DendrogramModel>>

public class CutDendrogramByHeight
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	CutDendrogramByHeight.Instance	Instance for a single data set.
static class	CutDendrogramByHeight.Par	Parameterization class.

Nested classes/interfaces inherited from interface elki.Algorithm

Algorithm.Utils

Field Summary

Fields

Modifier and Type	Field	Description
private static Logging	LOG	Class logger.
private double	threshold	Threshold for extracting clusters.

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

algorithm, hierarchical, simplify

Constructor Summary

Constructors

Constructor	Description
CutDendrogramByHeight(HierarchicalClusteringAlgorithm algorithm, double threshold, boolean hierarchical)	Constructor.
CutDendrogramByHeight(HierarchicalClusteringAlgorithm algorithm, double threshold, 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

private static final Logging LOG

Class logger.

threshold

private final double threshold

Threshold for extracting clusters.

Constructor Detail

CutDendrogramByHeight

public CutDendrogramByHeight(HierarchicalClusteringAlgorithm algorithm,
                             double threshold,
                             boolean hierarchical)

Constructor.

Parameters:

algorithm - Algorithm to run

threshold - Distance threshold

hierarchical - Produce a hierarchical output

CutDendrogramByHeight

public CutDendrogramByHeight(HierarchicalClusteringAlgorithm algorithm,
                             double threshold,
                             boolean hierarchical,
                             boolean simplify)

Constructor.

Parameters:

algorithm - Algorithm to run

threshold - Distance threshold

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