[pymvpa] Spatiotemporal Feature Selection

Michael Hanke mih at debian.org
Sun Jul 22 08:36:08 UTC 2012


On Thu, Jul 19, 2012 at 01:01:59PM +0200, Roberto Guidotti wrote:
> I'm working on spatiotemporal analysis of fMRI data, in this case the
> number of features increases drammatically and I want to perform a Feature
> Selection.
> In the toolbox the Feature Selection of event related datasets is done
> watching the spatiotemporal features variation across condition or checking
> the single feature. I think it could be useful to select voxels that
> temporally varies across experiment.
> It is possible to perform a sort of spatiotemporal feature selection, if
> not yet implemented? Or I'm asking a question theoretically wrong?

It doesn't sound wrong ;-) However, I'm also not 100% sure want kind of
feature selection you are aiming at. Do you want to select features that
vary to a certain degress within an event, and come from the same voxel?


Michael Hanke

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