[FieldTrip] Error in ft_timelockgrandaverage after import from EEGLAB

Stephen Politzer-Ahles politzerahless at gmail.com
Sat Sep 17 17:25:21 CEST 2011


Never mind, I just manually added data.dimord='chan_time' into each average
and it worked now.

Best,
Steve Politzer-Ahles

On Sat, Sep 17, 2011 at 10:14 AM, Stephen Politzer-Ahles <
politzerahless at gmail.com> wrote:

> Hello,
>
> I have imported data from EEGLAB (using eeglab2fieldtrip()) and averaged
> within fieldtrip, and then attempted to grand average (using
> ft_timelockgrandaverage with all the default options except
> cfg.keepindividual='yes'). I got the following error message:
>
> ??? Error using ==> fixdimord at 63
> The data does not contain a dimord, but it also does not resemble raw data
>
> Error in ==> ft_checkdata at 151
>   data = fixdimord(data, strcmp(sourcerepresentation, 'new'));
>
> Error in ==> ft_timelockgrandaverage at 72
>   varargin{i} = ft_checkdata(varargin{i}, 'datatype', 'timelock',
> 'feedback', 'no');
>
> The structure of my average data after importing from EEGLAB looks like
> this, which I notice is missing some fields that data processed in fieldtrip
> with ft_preprocessing normally have:
>
> CF007_avg =
>
>       label: {1x36 cell}
>     fsample: 1000
>        elec: [1x1 struct]
>         avg: [36x1201 single]
>         var: [36x1201 single]
>        time: [1x1201 double]
>         cfg: [1x1 struct]
>
> Does anyone have any idea what might be causing the error?
>
> Thanks a lot,
> Steve Politzer-Ahles
>
> --
> Stephen Politzer-Ahles
> University of Kansas
> Linguistics Department
> http://www.linguistics.ku.edu/
>



-- 
Stephen Politzer-Ahles
University of Kansas
Linguistics Department
http://www.linguistics.ku.edu/
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