[Eeglablist] Matrix of ICA component activations (time courses)

[Makoto Miyakoshi]

Dear Omid,

It is EEG.icaact that has the size of number of IC x data length. If you
don't see it, run this
EEG = eeg_checkset(EEG, 'ica');

Maktoo


2013/8/5 omid abbasi <omidabbasi2000 at gmail.com>

> Hi all
>
> I imported an EEG signal with 7 epochs to EEGLAB and i applied ICA to
> remove some artifacts. Now i can plot ICA component activation (time
> courses) using plot>component activations. But i can't find the variable or
> matrix in workspace related to ICA component activation. I know that I can
> find ICA component using EEG.icawinv matrix in workspace.
>
> It means if the ICA decomposition equals:
>
> U=WX
>
> where X (EEG channel recordings) and U (ICA component activations) are n
> *t matrices (n channels (rows) by t time points (columns)), and W (ICA
> weights (EEG.icawinv )) is n* n. I want to know how i can have matrix of U
> in EEGLAB?
>
>
> Best Wishes
> Omid
>
>
> On Fri, Aug 2, 2013 at 9:00 PM, <eeglablist-request at sccn.ucsd.edu> wrote:
>
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>>    1. 2013 EEGLAB workshop at UCSD following SFN,       November 14-18,
>>       2013, San Diego (Arnaud Delorme)
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>> ---------- Forwarded message ----------
>> From: Arnaud Delorme <arno at ucsd.edu>
>> To: eeglablist <eeglablist at sccn.ucsd.edu>
>> Cc:
>> Date: Thu, 1 Aug 2013 21:11:55 -0700
>> Subject: [Eeglablist] 2013 EEGLAB workshop at UCSD following SFN,
>> November 14-18, 2013, San Diego
>> The 17th EEGLAB workshop will be held at University of California San
>> Diego in La Jolla following the Society for Neuroscience meeting, November
>> 14-18, 2013.
>>
>> This will be a multiple-track workshop in which group lectures will
>> alternate with basic EEGLAB how-to sessions intended for beginners or, for
>> more experienced attendees, sessions on more advanced EEGLAB plugin (NFT,
>> SIFT, BCILAB, MPT, MoBILAB, AMICA).
>>
>> More details are available on the workshop website:
>> http://sccn.ucsd.edu/wiki/EEGLAB_2013_UCSD
>> Workshop registration is now open via EventBrite:
>> http://www.eventbrite.com/event/6654940105
>>
>> A. Delorme
>> S. Makeig
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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