[Eeglablist] How can split a continuous register in epoched data

[Germano Gallicchio]

Hi Mateu,


  you can use eeg_regepochs(). It splits a continuous recording in several
epochs of a defined length.
For example, if you want to create epochs of 2 seconds:
   EEG = eeg_regepochs(EEG, 'recurrence', 2, 'rmbase', NaN);
Type help eeg_regepochs for more info.

  On a side note, you might want to check Makoto's plugin for rejection of
portions of continuous data:
http://sccn.ucsd.edu/wiki/TrimOutlier


All the best,
Germano

On 30 June 2015 at 10:42, Mateu Servera <mservera at gmail.com> wrote:

> Hi,
>
> My problem seems simple but (I'm sorry) have not found the solution in the
> tutorial. I have a continuous record of 2 minutes and I want to analyze by
> epochs of 2 seconds. That is, once I loaded the entire record I want to
> divide approximately in 180/2 = 90 epochs, and then analyze data by epochs
> to select or eliminate those with artifacts.
>
> I have found how to deal with epoched data previously defined during the
> recording, but not *a posteriori*.
>
> Thanks
>
> Mateu
>
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