[Eeglablist] Error while computing a grand average

Fernanda Pérez Gay Juárez fernandapgj at gmail.com
Tue Sep 8 08:01:41 PDT 2015

Dear Makoto:

Yes, that's what it says it's happening. The weird thing is that I used the
same datasets for a previous grand average and it worked. I don't know what
could have happened in the process.

My question then is:  How can I check the channel names and change them to
make them consistent? Do I have to do it dataset by dataset?

I appreciate your help.



2015-09-02 14:25 GMT-04:00 Makoto Miyakoshi <mmiyakoshi at ucsd.edu>:

> Dear Fernanda,
> Hmm... my initial guess is that there is inconsistency in channel names
> across subjects?
> Makoto
> On Mon, Aug 31, 2015 at 10:20 AM, Fernanda Pérez Gay Juárez <
> fernandapgj at gmail.com> wrote:
>> Hello,
>> I was trying to run a grand average on 23 subjects, comparing 2 sessions.
>> I have already used this files to run other averages (betweensubjects,
>> etc). However, I got this error message:
>> "Cannot use file to lookup channel names, the file needs to be
>> recomputed, (Error occured in function std_readfile() at line 142)"
>> Has somebody got this before? What should I do next?
>> Thanks,
>> Fernanda
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> --
> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego
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