[Eeglablist] [EXT] Re: Help needed for identifying label indexes

Clement Lee cll008 at eng.ucsd.edu
Wed Mar 31 11:22:19 PDT 2021


Hi Poli,

Maybe I misunderstood your original questions: what do you mean by the
indexes of labels to the raw signals? The channel labels in the output are
the same indexing/ordering as the data.
In terms of indexing events, check EEG.events. This guide might be helpful:
https://urldefense.com/v3/__https://eeglab.org/tutorials/04_Import/Importing_Event_Epoch_Info.html*managing-events__;Iw!!Mih3wA!RBExyzeST0JksIBUz5u6fushEwaRAxjaCo3Mh4vWMPevgQpZmNfqt8qr9ky6fXLB8hiCwA$ 

Best,
Clement Lee
Applications Programmer
Swartz Center for Computational Neuroscience
Institute for Neural Computation, UC San Diego
858-822-7535


On Tue, Mar 30, 2021 at 6:04 PM Nemkova, Poli <Poli.Nemkova at unt.edu> wrote:

> Hello Clement,
>
> Thank you for reply!  Is there any other possible way to get them? My EEG.chanlocs.labels.
> has labels for the channels only and Plot > Channel Data (scroll)  shows
> the events, but manually lookup each event will be imprecise and time
> consuming for our research. But if EEGLAB can plot the events, that means
> the events indexes are stored somewhere in there?
>
>
> Thank you much again.
>
> ___________
>  Sincerely,
>   ~Poli Nemkova
>
> Ph.D. Student
> https://urldefense.com/v3/__https://www.linkedin.com/in/nemkova/__;!!Mih3wA!RBExyzeST0JksIBUz5u6fushEwaRAxjaCo3Mh4vWMPevgQpZmNfqt8qr9ky6fXLaq0ADJQ$ 
>
> Human/Machine Intelligence and Language Technologies HiLT Lab
> Department of Computer Science and Engineering
> University of North Texas, U.S.A.
>
> ------------------------------
> *From:* Clement Lee <cll008 at eng.ucsd.edu>
> *Sent:* Tuesday, March 30, 2021 4:04 PM
> *To:* Nemkova, Poli <Poli.Nemkova at unt.edu>
> *Cc:* eeglablist at sccn.ucsd.edu <eeglablist at sccn.ucsd.edu>
> *Subject:* [EXT] Re: [Eeglablist] Help needed for identifying label
> indexes
>
> Hi Poli,
>
> Have you successfully imported the .mff files into EEGLAB?  In EEGLAB,
> Plot > Channel Data (scroll) can be helpful. Otherwise you can check
> EEG.chanlocs.labels.
>
> Best,
> Clement Lee
> Applications Programmer
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, UC San Diego
> 858-822-7535
>
>
> On Tue, Mar 30, 2021 at 10:56 AM Nemkova, Poli via eeglablist <
> eeglablist at sccn.ucsd.edu> wrote:
>
> Hello everyone,
>
> I'm  PhD student in CS and new to Eeglab. I'm struggling with
> preprocessing my dataset correctly. In particular, maybe anyone can kindly
> point me how can I see the indexes of labels to the raw signals? I work
> with .mff file. (In other words, when I see a matrix with raw signals for
> each channel, how can see which label corresponds with which signal?
> (I can see events while plotting the data. So, I'm sure that the event
> labels indexes exist somewhere in the dataset).
>
> Thank you much in advance!
>
>
> ___________
>  Sincerely,
>   ~Poli Nemkova
>
> Ph.D. Student
>
> https://urldefense.com/v3/__https://www.linkedin.com/in/nemkova/__;!!Mih3wA!RQ_BbDaLk_muGOIGkyGRu7D5cIqoMY-KXHPdKrkbc9G4mGihLCvfeu2ROa_TgrpEOppoDA$
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>
> Human/Machine Intelligence and Language Technologies HiLT Lab
> Department of Computer Science and Engineering
> University of North Texas, U.S.A.
>
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