Package ffx.numerics.clustering

Class AverageLinkageStrategy

java.lang.Object

ffx.numerics.clustering.AverageLinkageStrategy

All Implemented Interfaces:

LinkageStrategy

public class AverageLinkageStrategy
extends Object
implements LinkageStrategy

Linkage strategy that uses the arithmetic mean of pairwise distances between cluster members (UPGMA/average linkage).

Since:

1.0

Author:

Lars Behnke, 2013, Michael J. Schnieders

Constructor Summary

Constructors

Constructor	Description
AverageLinkageStrategy()

Method Summary

Modifier and Type	Method	Description
Distance	calculateDistance(Collection<Distance> distances)	Computes the average of the provided distances.

Methods inherited from class java.lang.Object

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

Constructor Details

AverageLinkageStrategy

public AverageLinkageStrategy()

Method Details

calculateDistance

public Distance calculateDistance(Collection<Distance> distances)

Computes the average of the provided distances.

Specified by:

calculateDistance in interface LinkageStrategy

Parameters:

distances - collection of pairwise distances between cluster members

Returns:

a Distance whose value is the arithmetic mean of the inputs