[Eeglablist] Error while precomputing channel measures

[Makoto Miyakoshi]

Dear Fernanda,

Sorry for trouble. That sounds weird.
Unfortunately, all I can do for you is to recommend that you file the
problem to EEGLAB bugzilla with high priority. By the way I could not find
Bug764, removed because 'fixed'?

Makoto

On Mon, Dec 7, 2015 at 7:56 AM, Fernanda Pérez Gay Juárez <
fernandapgj at gmail.com> wrote:

> Hello,
>
> I've been having this problem when trying to do some grand averages. After
> loading all my datasets, and when clicking on "precompute channel
> measures", I get the following error message.
>
> Unable to write -MAT file C:(...)subject22>after.daterp
>
> File may be corrupt
>
> (Error occured in function std_savedat at line 47)
>
> I found a similar problem reported in Bugzilla, namely Bug 764, but the
> savedat function seems to have a fix for that bug. Here's the savedat
> function code:
>
> "function std_savedat( tmpfile, structure)
>
>     delims = find( tmpfile == '.');
>     if ~isfield(structure, 'datafile') && ~isfield(structure, 'datafiles')
>         structure.datafile = [ tmpfile(1:delims(end)-1) '.set' ];
>     end;
>
>     % fix reading problem (bug 764)
>     tmpfile2  = which(tmpfile);
>     if isempty(tmpfile2), tmpfile2 = tmpfile; end;
>     tmpfile = tmpfile2;
>
>     eeglab_options;
>     if option_saveversion6
>         try
>             save('-v6' , tmpfile, '-struct', 'structure');
>         catch
>             fields = fieldnames(structure);
>             for i=1:length(fields)
>                 eval([ fields{i} '=structure.'  fields{i} ';']);
>             end;
>             save('-mat', tmpfile, fields{:});
>         end;
> *    else *
> *        save('-v7.3' , tmpfile, '-struct', 'structure'); **line 47*
>     end;
> "
>
> Note that my subjects datasets have been processed in another computer
> however, last week I ran a grand average with files done on that same
> computer and it worked fine. The MATLAB and eeglab versions on that other
> computer are the same. This error happens with some datasets, but not with
> others, so I ignore what could be possibly causing it.
>
> Thanks for your help,
>
> 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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