[R]

[Gavin Simpson]

or function rda() in package vegan for that matter [fitting rda without
constraints == pca]

Gavin

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Gavin Simpson                     [T] +44 (0)20 7679 5522
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-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Stephane Dray
Sent: 04 April 2003 08:23
To: r-help at stat.math.ethz.ch
Subject: Re: [R]


>On Wednesday 02 Apr 2003 6:43 am, Yongde Bao wrote:
>>  Can someone point out for me where to find a package to do principal
>>  component analysis for Affy data, if existing?
>
>http://www.stat.uni-muenchen.de/~strimmer/rexpress.html
>
>mva, multiv

See also the function dui.pca of the ade4 package.

Sincerely.
-- 
Stéphane DRAY
---------------------------------------------------------------
Biométrie et Biologie évolutive - Equipe "Écologie Statistique"
Universite Lyon 1 - Bat 711 - 69622 Villeurbanne CEDEX - France

Tel : 04 72 43 27 56			   Fax : 04 78 89 27 19
       04 72 43 27 57 	   E-mail : dray at biomserv.univ-lyon1.fr 
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Web                            http://www.steph280.freesurf.fr/
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