AW: [FIELDTRIP] importing raw data

[Nina]

Hi Marco,

you might want to try:



cfg.artfctdef.eog.channel = {your EOG channel(s)};



Nina



  _____

Von: FieldTrip discussion list [mailto:FIELDTRIP at NIC.SURFNET.NL] Im Auftrag
von Paolo Toffanin
Gesendet: Montag, 26. Oktober 2009 15:09
An: FIELDTRIP at NIC.SURFNET.NL
Betreff: Re: [FIELDTRIP] importing raw data



Did you try including also eye channels into the analysis?





Paolo





On Monday 26 October 2009 02:42:28 pm Marco Rotonda wrote:
> Hi there,
> I'm trying to import a raw data file to perform artifacting.
> The file I have is quite simple: 2 channels and only data sampled at 256.
> I did the following operations:
>
> FF = (csvread('FF.txt', 2, 0))';
> data.trial{1} = FF;
> data.time{1} = linspace(0,180,46080);
> data.fsample=256;
> data.label={'F3';'F4'};
> data.cfg.trl=[1,46080,0];
> cfg.continuous='yes';
> cfg.trl=[1,46080,0];
> cfg.channel={'F3';'F4'};
> cfg2=artifact_eog(cfg,data);
>
> but then I have the following message error:
>
> ??? Error using ==> artifact_zvalue at 202
> no channels selected
>
> Error in ==> artifact_eog at 179
> [tmpcfg, artifact] = artifact_zvalue(tmpcfg,
> data);
>
> What I miss?
>
> in artifact_zvalue from 197:
>
> cfg.artfctdef.zvalue.channel =
> channelselection(cfg.artfctdef.zvalue.channel, hdr.label);
> sgnind = match_str(hdr.label, cfg.artfctdef.zvalue.channel);
> numsgn = length(sgnind);
>
> if numsgn<1
> error('no channels selected');
> else
> fprintf('searching for artifacts in %d channels\n', numsgn);
> end
>
>
> So I added:
>
> cfg.artfctdef.zvalue.channel={'F3';'F4'};
>
> but I get the same error
> it seems that I need the header... but I have not.
> is it?
>
> ----------------------------------
> The aim of this list is to facilitate the discussion between users of the
> FieldTrip toolbox, to share experiences and to discuss new ideas for MEG
> and EEG analysis. See also
> http://listserv.surfnet.nl/archives/fieldtrip.html and
> http://www.ru.nl/neuroimaging/fieldtrip.





----------------------------------

The aim of this list is to facilitate the discussion between users of the
FieldTrip toolbox, to share experiences and to discuss new ideas for MEG and
EEG analysis.

http://listserv.surfnet.nl/archives/fieldtrip.html

http://www.ru.nl/fcdonders/fieldtrip/


----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/neuroimaging/fieldtrip.
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