[Eeglablist] 128 channel data and ICA

[Arild Hestvik]

I have 4GB RAM, sampling rate is 250Hz, epochs are 1000ms, 1600  
trials. So plenty of RAM, and not especially big dataset. Is EEGlab's  
ICA function perhaps designed with smaller electrode counts in mind (<  
128)?


On Aug 29, 2008, at 2:34 AM, Tom Eichele <tom.eichele at psybp.uib.no>  
wrote:

> Hi arild:
> Out of memory can be fixed with more ram, shorter epochs, andor  
> lower sampling rate.
> Applying ica to subset of channels only applies tothese and not  
> others.
> Best, te
>
> ----- Opprinnelig melding -----
> Fra: Arild Hestvik <arild at udel.edu>
> Sendt: 28. august 2008 18:08
> Til: eeglablist at sccn.ucsd.edu <eeglablist at sccn.ucsd.edu>
> Emne: [Eeglablist] 128 channel data and ICA
>
> I keep getting "Out of memory" errors when I try to run ICA  from the
> Eeglab menu. (1) is there a known method for fixing this? (2) it works
> if I select a subset of channels (eg 10-10 + eyes). When I then
> subtract components, will data be subtracted from ALL channels
> nevertheless?
> --Arild
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