[Eeglablist] ICA error

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Tue Dec 26 15:22:38 PST 2017

Dear Erika,

If EEG.icasphere has 63 x 63 columns, it means ICA was computed on 63
channels. How many channels did you have when you run ICA? Was the data
full-ranked (no bridging across channels, no standard re-referencing before


On Wed, Dec 20, 2017 at 8:28 AM, Erika Nyhus <enyhus at bowdoin.edu> wrote:

> I am getting the following error when I run ICA on a concatenated datasets
> and selecting 63 of 64 channels.   When I run ICA on any of the datasets
> individually I do not get an error.  I was wondering if anyone has run in
> to this problem and how they were able to solve it.
> eeg_checkset error: number of elements in 'icachansind' (64)
> does not match the number of columns in the sphere array (63)
> --
> Erika Nyhus, Ph.D.
> Department of Psychology and Program in Neuroscience
> 6900 College Station
> Bowdoin College
> Brunswick, ME 04011

Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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