CALINSKI: Stata module to compute Calinski-Harabasz cluster stopping index from distance matrix

Brendan Halpin ()
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Brendan Halpin: University of Limerick, Ireland

Statistical Software Components from Boston College Department of Economics

Abstract: calinski calculates the Calinski-Harabasz pseudo-F for stopping rules in cluster analysis, from the pairwise distance matrix. This is widely used to determine the optimum number of clusters. Stata's default cluster stop does the same calculation on the basis of the original variables, but cannot operate on the distance matrix. calinski is thus useful when the original variables are not available, or when the distances are created other than as squared Euclidean distances between variables (as is the case for instance with sequence analysis).

Language: Stata
Requires: Stata version 10 and discrepancy from SSC (q.v.)
Keywords: Calinski-Harabasz; cluster analysis; distance matrix (search for similar items in EconPapers)
Date: 2015-12-12, Revised 2016-06-27
Note: This module should be installed from within Stata by typing "ssc install calinski". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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http://fmwww.bc.edu/repec/bocode/c/calinski.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/c/calinski.sthlp help file (text/plain)

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