[pymvpa] Z-scoring raw data

Michael Hanke mih at debian.org
Thu Apr 19 18:11:36 UTC 2012


On Thu, Apr 19, 2012 at 11:03:49AM -0700, Derek Huffman wrote:
> Hello all,
> I noticed that in the tutorial data that the data is z-scored with respect
> to the resting condition. I have not seen this done in the literature and I
> am I am wondering if you have found it beneficial to z-score in that way or
> if just doing a simple z-score on the entire time course (per run) provides
> similar classification accuracy.

Main reason of doing that in the tutorial was to show that it is
possible ;-) it wasn't meant to be an advice that it should always be
done this way.


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