[pymvpa] Sensitivity analysis also fails
michael.hanke at gmail.com
Thu Apr 22 22:37:46 UTC 2010
On Thu, Apr 22, 2010 at 06:30:52PM -0400, Temilade Adelore wrote:
> Hello Yaroslav,
> Thank you for your response!
> I am new to MVPA and so I am not clear how else I should correctly define
> 'chunks' for event related data. Here's the scenario:
> I am trying to work out how to correctly code the chunks for:
> 1) An event related data with conditions within each chunk (10) presented
> 3.5 seconds in duration 2) and volume samples of 2 seconds duration
> Thus a Nifti dataset with its number of samples (1315) greater than its
> number of chunks (609).
> I am having a problem coding this in because pymvpa likes both number of
> sample and number of chunks to be equal.
No, there is no such requirement. Chunks are the parts of the data that
are assumed to be independent from each other. If your experiment was
recorded in several runs/sessions -- each one of them could be taken as
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