On 7-Jun-09, at 6:12 AM, Gael Varoquaux wrote:

> Well, I do bootstrapping of PCAs, that is SVDs. I can tell you, it  
> makes
> a big difference, especially since I have 8 cores.

Just curious Gael: how many PC's are you retaining? Have you tried  
iterative methods (i.e. the EM algorithm for PCA)?

David
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