option in view clusters, to colour the clusters in ordination space

[GoogleCodeExporter]

Could you offer an option in view clusters, to colour the clusters in 
ordination space.  This rendering is often used for GDM model results.

So from a dissimilarity matrix for the currently selected grouping level, do an 
ordination – eg MDS, and assign R, G and B by the first 3 axes.

The result would be that more similar clusters would have more similar colour, 
rather than aiming for a distinct colour for each cluster.

Original issue reported on code.google.com by danielrosauer on 14 Aug 2014 at 5:51

[GoogleCodeExporter]

Need to look into ordination methods, possibly using PDL.  http://pdl.perl.org/

Original comment by shawnlaffan on 14 Aug 2014 at 6:09

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