SILHOUETTE: Stata module to calculate and graph silhouette width for cluster analysis

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

Statistical Software Components from Boston College Department of Economics

Abstract: silhouette calculates and graphs the silhouette width for the cluster solution given by the grouping variable, using the pairwise distance matrix given in the distmat option. Silhouette width is an indicator of cluster adequacy. It compares for each case, the mean distance to other cases in the cluster in which the case is, and the mean distance to the nearest neighbour cluster. Silhouette widths less than zero indicate a case that fits poorly in its cluster.

Language: Stata
Requires: Stata version 10
Keywords: silhouette; cluster analysis; distance matrix (search for similar items in EconPapers)
Date: 2016-03-04, Revised 2016-06-27
Note: This module should be installed from within Stata by typing "ssc install silhouette". 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/s/silhouette.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/s/silhouette.sthlp help file (text/plain)

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