caha {SAGx}R Documentation

Clustering Goodness measured by the Calinski-Harabasz index

Description

Calculates a goodness of clustering measure based the ratio of between to within sum squares:

caha=BSS*n/[WSS*(n-k)]

Usage

caha(data,cluster)

Arguments

data The data matrix
cluster a vector descibing the cluster memberships consecutive numbers.

Value

The Calinski-Harabasz index

Author(s)

Per Broberg

References

Calinski, R.B. and Harabasz, J. (1974) A dendrite method for cluster analysis, Communications in statistics 3, 1-27


[Package SAGx version 1.5.2 Index]