[pymvpa] cross-validation

[Jonas Kaplan]

> 
> well... I would start with taking each 1 of 4 scanning sessions out and
> see how it goes ;)
> (since 15%4=3 I guess you have disbalanced presence of conditions across
> sessions, right?)
> 

Do you think I'd be asking about this if that worked?  ;-)

The categories are indeed imbalanced across chunks, which given your previous paragraph is apparently something I need to keep a close eye on.  

Francisco, thanks for your clear explanation and those references look like they will be very useful.  

-Jonas


----
Jonas Kaplan, Ph.D.
Research Assistant Professor
Brain & Creativity Institute
University of Southern California
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