Package elki.clustering.hierarchical.extraction

Class SimplifiedHierarchyExtraction.Instance

java.lang.Object

elki.clustering.hierarchical.extraction.SimplifiedHierarchyExtraction.Instance

Enclosing class:

SimplifiedHierarchyExtraction

protected class SimplifiedHierarchyExtraction.Instance
extends java.lang.Object

Instance for a single data set.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
protected DoubleDataStore	coredist	Core distances (if available, may be null).
protected ClusterMergeHistory	merges	The hierarchical result to process.

Constructor Summary

Constructors

Constructor	Description
Instance(ClusterMergeHistory merges)	Constructor.

Method Summary

Modifier and Type	Method	Description
private void	addSingleton(SimplifiedHierarchyExtraction.TempCluster clus, int id, DBIDRef it, double dist, boolean asCluster)	Add a singleton object, as point or cluster.
protected Cluster<DendrogramModel>	makeCluster(int seq, double depth, DBIDs members)	Make the cluster for the given object
Clustering<DendrogramModel>	run()	Extract all clusters from the pi-lambda-representation.
protected Cluster<DendrogramModel>	toCluster(SimplifiedHierarchyExtraction.TempCluster temp, Clustering<DendrogramModel> clustering)	Make the cluster for the given object

Methods inherited from class java.lang.Object

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

Field Detail

merges

protected ClusterMergeHistory merges

The hierarchical result to process.

coredist

protected DoubleDataStore coredist

Core distances (if available, may be null).

Constructor Detail

Instance

public Instance(ClusterMergeHistory merges)

Constructor.

Parameters:

merges - Hierarchical result

Method Detail

run

public Clustering<DendrogramModel> run()

Extract all clusters from the pi-lambda-representation.

Returns:

Hierarchical clustering

addSingleton

private void addSingleton(SimplifiedHierarchyExtraction.TempCluster clus,
                          int id,
                          DBIDRef it,
                          double dist,
                          boolean asCluster)

Add a singleton object, as point or cluster.

Parameters:

clus - Current cluster.

id - Object to add

dist - Distance

asCluster - Add as cluster (or only as id)

toCluster

protected Cluster<DendrogramModel> toCluster(SimplifiedHierarchyExtraction.TempCluster temp,
                                             Clustering<DendrogramModel> clustering)

Make the cluster for the given object

Parameters:

temp - Current temporary cluster

clustering - Parent clustering

Returns:

Cluster

makeCluster

protected Cluster<DendrogramModel> makeCluster(int seq,
                                               double depth,
                                               DBIDs members)

Make the cluster for the given object

Parameters:

seq - Cluster sequence number

depth - Linkage depth

members - Member objects

Returns:

Cluster