[Eeglablist] Error while using ICA

[arno]

Dear Hecke,
>> Data has rank 0. Cannot compute 63 components.
>>     
> I did not get this messages the first times I take a new datafile. Does
> eeglab alter the original data files?
>   
No EEGLAB does not alter the data files. There are some weird things 
happening with the rank of the matrix under some version of 64-bit 
Matlab as depicted in the EEGLAB bug tracking software.

https://sccn.ucsd.edu/eeglab/bugzilla/show_bug.cgi?id=109
(requires login)

We have also fixed a problem with using the PCA option that was 
occurring in the wrapper function for the runica algorithm. I have 
attached the updated pop_runica() function (just replace it in EEGLAB).

Hope this helps,

Arno
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