2D placement program

Joe Felsenstein joe at evolution.genetics.washington.edu
Thu Mar 30 14:28:59 EST 2000

In article <38E35228.10DE43F7 at sb-roscoff.fr>,
=?iso-8859-1?Q?Cr=E9pineau?= Florent <crepinau at sb-roscoff.fr> wrote:
>I am looking for a software that would take a distance matrice and do a
>2D placement of the different points instead of a tree.

I don't know about which programs have it, but two methods that spring to
mind are: (1) Nonmetric multidimensional scaling, and (2) Principal
coordinates (a relative of principal components).  One keyword to look for
is "ordination" and the places to look involve packages for clustering
and for multivariate statistics, not phylogeny packages.

Joe Felsenstein         joe at genetics.washington.edu
 Dept. of Genetics, Univ. of Washington, Box 357360, Seattle, WA 98195-7360 USA

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