[Eeglablist] 2x2 design statcondfieldtrip

[Makoto Miyakoshi]

Dear Mark,

I actually do not have an answer to your question, but I do have a thing to
tell you. If you want to run ANOVA to perform so-called post-hoc multiple
comparisons later to determine simple effect, actually you don't need to
run ANOVA. If you are interested in the paper that describes this issue,
please let me know.

Makoto

On Wed, Mar 30, 2016 at 2:20 AM, Noordenbos, M.W. (Mark) <
m.noordenbos at let.ru.nl> wrote:

>
> Hi EEGlablist,
>
> I have a 2x2 design (2 groups x 2 conditions) for which I would like to
> calculate the interaction effect, so I can test whether the effect in each
> group is also significantly different. In the code of statcondfieldtrip
> function I found an option to perform a two-way ANOVA using the function
> ‘anovan’ for the ‘X1*X2’ effect. But it seems that this part of the code is
> not (yet) implemented/working.
>
> I tried the following test code, but ft_freqstatistics (Fieldtrip
> function) cannot handle the input for the anovan function.
>
> n = 1000;
> nchan = 61;
>
> dat = { rand(n,nchan) rand(n,nchan); rand(n,nchan) rand(n,nchan) };
>
> [ori_vals, df, pvals] = statcondfieldtrip(dat, ‘paired’, ‘on’)
>
> Does anyone know how to perform this two-way anova using the anovan
> function in combination with the multiple comparison correction of
> Fieldtrip? Or whether there is a workaround to make the statcondfieldtrip
> function work for a two-way anova?
>
> Thanks,
> Mark
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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