[pymvpa] classification based on individual parameter estimates from FSL

[David Soto]

hi Nick, yes I did -
zscore(ds, chunks_attr=‘task’)
(I am training the classifier on task 1 and then testing
on task 2, and zscoring done within each one)
cheers
ds


On Fri, Aug 8, 2014 at 5:36 PM, Nick Oosterhof <nikolaas.oosterhof at unitn.it>
wrote:

> On Aug 8, 2014, at 5:55 PM, David Soto <d.soto.b at gmail.com> wrote:
>
> > Thanks for the response, yes I tried to do a cross-subjects
> classification
> > and got some results but looked noisy (0.58 classification accuracy
> > only on some voxels following a  whole brain search light)....however in
> the univariate
> > FEAT GLM I get robust activations which overlap spatially across the
> different conditions.
>
> Did you normalize the data (e.g. z-scoring)? Please see my previous
> message for why that could be useful.
>
> _______________________________________________
> Pkg-ExpPsy-PyMVPA mailing list
> Pkg-ExpPsy-PyMVPA at lists.alioth.debian.org
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa
>



-- 
http://www1.imperial.ac.uk/medicine/people/d.soto/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.alioth.debian.org/pipermail/pkg-exppsy-pymvpa/attachments/20140808/f9ea36cb/attachment.html>