[FieldTrip] permutation test on extracted sources?

[Mads Jensen]

Hi all,

I have some data that are extracted time series from a source 
reconstruction. I would like to use the statistical apparatus of 
Fieldtrip to do permutation tests on these data.

Is is possible to create a "virtual" channel and do a permutation test 
on that, and what about multiple "virtual" channels at the same time?


best wishes,
mads