[pymvpa] Searchlight sl_map = accuracy?

[Yaroslav Halchenko]

On Tue, 22 Feb 2011, Nynke van der Laan wrote:
> calculation). So the CrossvalidatedTransferError is the mean of the
> transfererrors (i.e., accuracies) over the validations. From your

yes

> reply I understand that the outcomes of the analysis in the example
> (the Searchlight on fMRI data) are not the accuracies but the inverse
> (i.e., 1 - accuracy). Would you please confirm if this is right?

I do confirm that with the default argument of errorfx for
TransferError, you would obtain errors, not accuracies, in the
corresponding Searchlight.

Are you getting strange results with low errors in the regions where
there could be no signal (e.g. outside of the brain)? ;-)

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