[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:


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 (
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.

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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