[R] Heatmap clustering

Adria Garriga Far agarriga at cnb.uam.es
Wed Aug 29 17:03:05 CEST 2007

I have constructed a heatmap comparing distances between 30 elements. I 
get the heatmap plot with red dots when distance is close, and yellow 
when two elements differ. My question is...how can I get clusters of 
similarity from the headplot (I don´t know the total number of clusters, 
otherwise I´d have used Kmeans)?
Lots of thanks in advance!

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