non-parametric cluster-based analysis

[Eric Maris]

Hi Emanuel,


> I would like to know if I it is allowed to do three single non-
> parametric cluster
> based analyses and use IndepT-statistics, if I will test three groups
> (group A
> vs B, B vs C and A vs C) by . And  is it then nescessarily to adjust
> post-hoc
> the p-value of all three comparisons because of multiple comparisons?

Yes, this is required.

Alternatively, you may run a single three-group analysis using the
indepsamplesF statistic. Here, you test the null hypothesis that the
observations in the three groups are all drawn from the same probability
distribution.


Best,

Eric





>
> Thanx!
> Emanuel
>
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You are receiving this message because you are subscribed to
the  FieldTrip list. The aim of this list is to facilitate the discussion
between  users of the FieldTrip  toolbox, to share experiences
and to discuss  new ideas for MEG and EEG analysis.
See also http://listserv.surfnet.nl/archives/fieldtrip.html
and http://www.ru.nl/neuroimaging/fieldtrip.
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