[BioC] PCA plots

Robert Gentleman rgentlem@jimmy.harvard.edu
Tue, 28 Jan 2003 07:30:57 -0500


 I think that we are likely to leave that to ggobi -- they have done a
lot of stuff and the interface to R is pretty reasonable these days.

On Tue, Jan 28, 2003 at 05:55:31AM +0100, Laurent Gautier wrote:
> On Mon, Jan 27, 2003 at 11:29:39PM -0500, Michael Benjamin wrote:
> > Hi, all.
> >  
> > Are there any plans to spice up the principal components analysis tools
> > in R?  Many commercial packages offer interactive manipulation of 3D
> > biplots.  We are almost there already, with a fast (if homely-looking)
> > biplot in "princomp."  Any takers?
> 
> AFAIK, R can interface with ggobi. By linking selections of individuals
> in different planes of projection, you should be able to achieve it
> (and go beyond "only" 3 dimensions, if I understood what you meant
> by "interactive manipulation").
> Check the screenshots at www.ggobi.org to get an idea.
> 
> 
> Hopin' it helps,
> 
> 
> L.
> 
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| Robert Gentleman                 phone : (617) 632-5250                   |
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