[R] cluster analysis using Dmax

[Christian Hennig]

Dear Kris,

> a) how would one go about calculating the matrix of Dmax/KS distance values?

Hmm, I'd implement this directly by comparing the curves on a dense 
sequence of equidistant points over a given value 
range (hope you know a suitable one) and looking for the maximum 
difference...

> b) of the many clustering packages (I'll be doing a simple average link
> hierarchical clustering) is there one where I can ask: "If I 'cut' the
> dendrogram at the 0.x dissimilarity level, which items are in which
> clusters?" (As my dataset has over 200 items this is non-trivial to work out
> manually).

?cutree

Best,
Christian

>
> Many thanks indeed for your help.
>
> Kris Lockyear.
>
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*** --- ***
Christian Hennig
University College London, Department of Statistical Science
Gower St., London WC1E 6BT, phone +44 207 679 1698
chrish at stats.ucl.ac.uk, www.homepages.ucl.ac.uk/~ucakche