[Eeglablist] How to keep track of epochs marked for rejection?

David Steines d.steines at gmail.com
Tue Jun 29 14:23:25 PDT 2010

Hello Alejo,

I was looking into this problem yesterday, and the only record that I could
find was in EEG.history. If you open the history parameter, you will find a
call to pop_rejepoch( EEG, [indices of rejected epochs] ,0). The second
parameter lists the indices of the epochs that you rejected.

I'm not aware of any other parameter that holds this information, but if
there is one, I'd be interested to learn what it is as well.

Hope this helps,


On Mon, Jun 28, 2010 at 10:40 AM, Alejo Keuroghlanian <
Alejo.Keuroghlanian at iit.it> wrote:

> Dear all,
> suppose I'm working with the GUI, with a data set consisting of 20 epochs
> - I choose "Tools > Reject data epochs > reject data (all methods)", and by
> visual inspection I mark trials #1 and #3 for rejection
> - then I press "Close (keep marks)"
> - I clear the data set from memory
> - then I load it again...
> Are these marks stored somewhere in the data set/EEG structure? I have
> tried this but the marks disappear... I would like to know which were the
> epochs that I rejected eventually.
> Thank you in advance. Cheers,
> Alejo
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