[Mne_analysis] question about permutation_cluster_test

[Fleur GAUDFERNAU]

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Hello,

I juste have a quick question regarding mne.stats.permutation_cluster_test.

When I give it two arrays X1 and X2 of shape (n subjects x n channels x n freq), I have the following error: ValueError: connectivity (len 20484) must be of the correct size, i.e. be equal to or evenly divide the number of tests (2580984).

The error disappear if I reshape X1 and X2 into shape (n subjects x n freq x nchannels).

I was wondering why because I did not see anything about that in the documentation of permutation_cluster_test.

Thanks in advance!

Kind regards,

Fleur
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