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November 2002


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David Dubin <[log in to unmask]>
Reply To:
Classification, clustering, and phylogeny estimation
Tue, 12 Nov 2002 15:52:34 -0600
text/plain (26 lines)
Michael Trosset wrote a program for classical metric MDS that Mark Rorvig
and I used with success on matrices much larger than 400 by 400. But it
doesn't do nonmetric MDS. The program is written in Fortran and requires the
ARPACK libraries. I was able to compile with g77 on Linux  and Solaris with
little trouble.

Dave Dubin

Dirk Meurer <[log in to unmask]> writes:

> Dear Listmembers,
> I would like to do a MDS with a 400X400 square, symetric matrix of
> (dis)similaritys. Most MDS-Software is limited to a much smaller amount
> of variables though. I have been told, that SAS might be able to process
> the analyis I need, but this is quite inconvenient for me in terms of
> access to the software, hardware-requirements etc. Could anybody tell
> me, if there is a stand-alone program that can do MDS (preferably
> nonmetric) with a matrix of that size?
> Thanks a lot for your help,
> dirk
> P.S: My Matrix is not suitable for factor analysis and clustering does
> not produce the results I need.