[Eeglablist] putting ERP data into matrix

[kazuyo tanji]

Dear Alpay Koc,

Thank you! It was really helpful. 

Kazu


> 
> Hi,
> 
> Scripts below could help:
> 
> nchan=15;  %channel number
> erp=reshape(EEG.data(nchan,:,:),size(EEG.data,2),size(EEG.data,3));  % epoch by
> epoch channel data
> nepoch=1;
> erp1=erp(:,nepoch);    % eg. first epoch
> aerp=mean(erp,2);    % Averaged ERP, i.e. avg of all epochs or mean(EEG.data,3) for
> all channels
> figure;plot(EEG.times,aerp)  % plot average ERP
> 
> 
> 
> 
> 
> kazuyo tanji wrote:
> 
> > Hi, all
> >
> > I am trying to do ERS analysis using EEGLAB. I need to
> > subtract ERP from rawdata epoch by epoch. Can anyone
> > please tell me how I can do this?
> >
> > If I am right rawdata can be obtained by EEG.data(:,:,n)
> > for epoch n, but I am at a loss how I can put calculated
> > ERP data into matlab variables.
> >
> > Thanks in advance,
> >
> > Kazu
> >
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> 
> --
> Alpay Koc
> 
> 
>