[FieldTrip] non parametric statistics on connectivity data

Julian Keil julian.keil at gmail.com
Tue Feb 25 18:10:02 CET 2014

Dear Bart,

one way to plug freq x chan x chan data into the statistics functions requiring freq x chan is to restructure your data to channel combinations, in a way that you end up with chan times chan elements in a freq x chan matrix.
Of course you'll have to create new labels for your new channels.

Hope this helps, if you need more specific advise, let me know.



Dr. Julian Keil

AG Multisensorische Integration
Psychiatrische Universitätsklinik
der Charité im St. Hedwig-Krankenhaus
Große Hamburger Straße 5-11, Raum E 307
10115 Berlin

Telefon: +49-30-2311-1879
Fax:        +49-30-2311-2209 

Am 25.02.2014 um 17:55 schrieb Bart Michiels:

> Hi all,
> I have two resting state coherence dataset (patient and control) both with the dimensions frequency x chan x chan and would like to do some non-parametric stats.
> Knowing that channel level analysis isn't the best idea to assess connectivity, which fieldtrip sub-function could I use to make some statistical inference about connectivity difference between patients and controls?
> I know that all statistical tools can be used for data dimensions: frequency x chan, but not the freq x chan x chan
> I was thinking of ft_statfun_indepsamplesZcoh but am not sure this is the right one.
> Thank you !
> Best, Bart
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