[Eeglablist] Save EEG epochs in different files

[Makoto Miyakoshi]

Dear Alberto,

> Makoto, I would need to import different data epochs in LORETA software
for subsequent analysis(maybe it is not even necesarry but I am trying
different apporaches).

Ah, that makes sense. You need a short chunk of data to produce a map, if I
guess it correctly. I would, as usual, recommend you try ICA as an
alternative when you have time. It has very unique merit.

Makoto



On Tue, Oct 18, 2016 at 2:11 AM, Alberto Cacciola <
alberto.cacciola0 at gmail.com> wrote:

> Dear all,
> many thanks for your help and quick response.
> I fixed the problem creating a loop to save each epoch one at a time.
> If it can help someone, here it is:
>
> for i=1:size(EEG.data,3)
>         x = double(EEG.data(:,:,i));
>         dlmwrite(['epochs\Epoch_' num2str(i) '.txt'],x,'\t')
> end
>
> Makoto, I would need to import different data epochs in LORETA software
> for subsequent analysis(maybe it is not even necesarry but I am trying
> different apporaches).
> Sorry for the strange question!!:)
>
>
> Best
> Alberto
>
> 2016-10-18 10:10 GMT+02:00 Makoto Miyakoshi <mmiyakoshi at ucsd.edu>:
>
>> Dear Alberto,
>>
>> There is EEGLAB function to export data into an ascii file. I don't know
>> if you want to use it though if you have so many small epochs to be saved
>> saparately.
>>
>> It's best to write a batch to do this. Are you familiar with it?
>>
>> I wonder what you want to do with that files. That's the strangest query
>> I've ever heard!
>>
>> Makoto
>>
>> On Thu, Oct 13, 2016 at 2:41 AM, Alberto Cacciola <
>> alberto.cacciola0 at gmail.com> wrote:
>>
>>> Dear all,
>>>
>>> First of all, sorry if my question can be stupid. I searched on the
>>> previous messages of the mailing list but couldn't manage to find any
>>> solutions,
>>>
>>> I am new with EEGlab. I splitted a resting state EEG in 2-s epochs as
>>> follow:
>>>
>>> EEG = eeg_regepochs(EEG, 'recurrence', 2, 'limits', [0 2], 'rmbase',
>>> NaN);
>>>
>>> and didn't encounter any problems.
>>> Now I would like to save each epoch as a different file. For Instance,
>>> if I have 90 epochs of 2sec I would save each of the epoch as a .txt or
>>> .asc file, thus resulting in 90 independent files.
>>> Is it possible? How should I proceed?
>>>
>>> Many thanks for your help
>>> Alberto
>>>
>>>
>>>
>>>
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>>
>>
>>
>> --
>> Makoto Miyakoshi
>> Swartz Center for Computational Neuroscience
>> Institute for Neural Computation, University of California San Diego
>>
>
>


-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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