com.rapidminer.operator.clustering.clusterer
Class AverageLinkageMethod

java.lang.Object
  com.rapidminer.operator.clustering.clusterer.AbstractLinkageMethod
      com.rapidminer.operator.clustering.clusterer.AverageLinkageMethod

public class AverageLinkageMethod
extends AbstractLinkageMethod

This class provides the AverageLinkageMethod, also called UPGMA, for the agglomerative clustering operator.

Author:

Sebastian Land

Constructor Summary

AverageLinkageMethod(DistanceMatrix matrix, int[] clusterIds)

Method Summary

void	updateDistances(DistanceMatrix matrix, int updatedRow, int unionedRow, java.util.Map<java.lang.Integer,HierarchicalClusterNode> clusterMap)

Methods inherited from class com.rapidminer.operator.clustering.clusterer.AbstractLinkageMethod

getNextAgglomeration

Methods inherited from class java.lang.Object

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

Constructor Detail

AverageLinkageMethod

public AverageLinkageMethod(DistanceMatrix matrix,
                            int[] clusterIds)

Method Detail

updateDistances

public void updateDistances(DistanceMatrix matrix,
                            int updatedRow,
                            int unionedRow,
                            java.util.Map<java.lang.Integer,HierarchicalClusterNode> clusterMap)

Specified by:

updateDistances in class AbstractLinkageMethod