[pymvpa] custom cross-validation procedure: train on individual blocks, test on averaged blocks?

[Yaroslav Halchenko]

what is the output of dataset.summary()?

>    Thanks Yarik!
>    I don't pretend to understand the code (yet), but it runs without error,
>    except for this warning:
>    WARNING: There were no samples for combination {'targets': 'HI', 'custom':
>    10}. It might be a sign of a disbalanced dataset <Dataset:
>    207x310 at float64, <sa:
>    blocks,censor,TR,custom,chunks,TR2,targets,partitions>, <a:
>    mapper,lastpartitionset,partitions_set,lastsplit>>.
>    So I'll take your word for it that it is doing what I think it is supposed
>    to do, for now? :)

>    -Edmund
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