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DendroUPGMA: A dendrogram construction utility

Created in March 2002. New python backend inplemented in December 2025
By Santi Garcia-Vallvé (santi.garcia-vallve AT urv.cat)
Biochemistry and Biotechnology Department — Universitat Rovira i Virgili (URV)

Use this program to create a dendrogram from (a) sets of variables, (b) a similarity matrix or (c) a distance matrix. From a sets of variables, a similarity and distance matrices are calculated. The dendogram is created using the Unweighted Pair Group Method with Arithmetic mean (UPGMA) or Weighted Pair Group Method with Arithmetic Mean (WPGMA) algorithm.

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Examples