[R] MDS in 3D

[Prof Brian Ripley]

On Mon, 8 Jan 2007, Atte Tenkanen wrote:

> I have tried to develop multidimensional scaling for 3D space using PCA 
> without success, yet;-) Is there some application ready in R?

Yes.

stats has cmdscale. MASS has sammon and isoMDS.  All three have a 'k'
argument to determine the output dimension.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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