[pymvpa] extracting individual sample predictions from CV

[Yaroslav Halchenko]

On Fri, 03 Jun 2011, Brian Murphy wrote:
> Is this stuff documented somewhere? 
to varying degree ;) .stats is somewhat documented (tutorial etc), while
.sets  not really indeed... we, as always, welcome contributions ;)

> I can't find "stats.set" in the
> manual anywhere, and in the reference for CrossValidation it does
> mention that it has a conditional attribute called "stats", but I
> can't find a link that describes the type/content of the stats
> member. If I could also find a structure that remembers where the
> samples in each fold come from, then it would be possible to write a
> more general for other partitioning strategies (e.g. if you want to
> use interleaved folds).

yeap -- refactoring those SummaryStatistics/ConfusionMatrix is on our
TODO... and then possibly we could enhance it to store arbitrary sample
attributes as well, so it would make it easy to reconstruct back into
original samples order

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