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

Julie Onton julie at sccn.ucsd.edu
Tue Jun 29 16:21:21 PDT 2010


This is the correct structure element where reject marks are stored, but you
have to save the dataset in order for these marks to be preserved if the
dataset is cleared.

Julie

-- 
Julie Onton, PhD
http://sccn.ucsd.edu/~julie

> 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,
>
> David
>
>
>
> 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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