[pymvpa] Help needed untangling searchlight accuracy bias

[Yaroslav Halchenko]

just for completeness :
what is the output of

print ds.summary()

?

also, if you crossplot A against A* -- how does it look?

On Thu, 20 Oct 2011, Mike E. Klein wrote:

> Hi everyone,

> Thanks in advance for any help and sorry for the length of this:

> I've been performing a searchlight analysis on fMRI data from an
> auditory experiment I conducted. Running a whole-brain searchlight on
> binary comparisons is showing a consistent right-bias in accuracies.
> Typically I can see a smallish peak centered directly on 50% and then
> a much larger peak in the 65% range. I'm pretty sure something fishy
> is going on, as I scrambled the order of my runs in the attribute file
-- 
=------------------------------------------------------------------=
Keep in touch                                     www.onerussian.com
Yaroslav Halchenko                 www.ohloh.net/accounts/yarikoptic