[FieldTrip] Mixed design permutation test
Stephen Politzer-Ahles
politzerahless at gmail.com
Mon Nov 21 16:43:07 CET 2011
Hi Mark,
I just found the following message about this topic from a few years ago:
http://mailman.science.ru.nl/pipermail/fieldtrip/2008-March/001500.html
That procedure sounds complicated; I too would be very interested in
hearing if anyone knows a way to do this using existing cfg.statistic
choices (i.e., without implementing my own statfun).
There was a more recent post here (
http://mailman.science.ru.nl/pipermail/fieldtrip/2011-September/004244.html)
saying (if I understand correctly) that permutation tests cannot be used to
test interactions in a between-subjects design, but I'm not sure if this is
also applicable to your design.
Best,
Steve Politzer-Ahles
> Message: 1
> Date: Fri, 18 Nov 2011 13:34:49 +0100
> From: Mark Noordenbos <mark.noordenbos at gmail.com>
> To: fieldtrip at donders.ru.nl
> Subject: [FieldTrip] Mixed design permutation test
> Message-ID:
> <CAJSb8nPj0HmdhJ7FZLNbi3eZcfRqNMDq+VtX_0bi9fmeK7BPEQ at mail.gmail.com
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi All,
>
> I was wondering if it possible to do a mixed-design permutation test with
> monte-carlo correction in Fieldtrip.
> I want to test the results of an experiment with 2 groups x 3 conditions.
> Besides testing differences in conditions I'm also interested in group
> differences and possible interactions.
>
> Any suggestions?
>
> Best,
> Mark
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