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  • LinkageMethod Enumeration

LinkageMethod Enumeration

Extreme Optimization Numerical Libraries for .NET Professional
Enumerates the possible linkage methods in hierarchical cluster analysis.

Namespace:  Extreme.Statistics.Multivariate
Assembly:  Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
Syntax

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VB
C++
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public enum LinkageMethod
Public Enumeration LinkageMethod
public enum class LinkageMethod
type LinkageMethod
Members

  Member nameValueDescription
Single0 The distance between two clusters is the distance between their closest neighboring points.
Complete1 The distance between two clusters is the distance between their two furthest member points.
Average2 Also called unweighted pair-group method using averages (UPGMA). The distance between two clusters is the average distance between all inter-cluster pairs.
Ward3 The cluster to be merged is the one which will produce the least increase in the sum of squared Euclidean distances from each case in a cluster to the mean of all variables.
Median4 Also called unweighted pair-group method using centroid averages (UPGMC). The cluster to be merged is the one with the smallest sum of Euclidean distances between cluster means (centroids) for all variables.
McQuitty5 The distance between a cluster and a newly merged cluster is the mean of the distance between the cluster and each of the two component clusters.
Centroid6 The distance between two clusters is the distance between the centroids or the means of the clusters.
See Also

Reference

Extreme.Statistics.Multivariate Namespace

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