I have a pretty big similarity matrix (2870x2870). I will produce even
bigger ones soon.
I am using PAM to generate clusters.
The desired number of output clusters is a PAM input parameter.
I do not know  a-priopri what is the best clusters layout .
I resorted to the silhouette test. It takes forever as I have to run PAM
with all possible
numbers of clusters.
I wonder whether there is some faster method, either a s/w code or some
theoretical guidelines,
to get the optimum clusters number.

Thank you very much,
-- 
Maura E.M

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