[SciPy-user] "clustergrams"/hierarchical clustering heat maps

David Warde-Farley dwf@cs.toronto....
Tue Feb 3 01:12:32 CST 2009

Hi all,

I was recently asked to cluster some data and I know from experience  
that people use these heat maps to look for patterns in multivariate  
data, often with a dendrogram off to the side. This involves sorting  
the rows and columns in a certain fashion, the details of which are  
somewhat fuzzy to me (and, truthfully, I'm happy with it staying that  
way for now).

I notice that dendrogram plotting is available in  
scipy.cluster.hierarchy, and was wondering if the something for  
producing the associated sorted heat maps is available anywhere  
(within SciPy or otherwise).

Many thanks,


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