[Eeglablist] detrending with SIFT

[Makoto Miyakoshi]

Dear Tyler,

> I went through the code and it appears as though it is storing the data
in EEG.CAT.

Yes, that sounds right. I don't think SIFT changes EEG.data.

Makoto

On Thu, Dec 4, 2014 at 5:06 AM, Tyler Grummett <
tyler.grummett at flinders.edu.au> wrote:

>  Hello eeglabers,
>
>
>  I have a question about detrending in SIFT.
>
>
>  I run the following code:
>
>
>  EEG = pop_pre_prepData( EEG, 'nogui', ...
>                 'VerbosityLevel', 2,   ...
>                 'SignalType', { 'Channels'},  ...
>                 'Detrend',  ...
>                 { 'verb', 2 ...
>                 'method', {'linear'}, ...
>                 'piecewise', ...
>                 {'seglength', 0.33,   ...
>                 'stepsize', 0.0825}, ...
>                 'plot', strcmp( plot, 'on')},  ...
>                 'NormalizeData', ...
>                 {'verb', 2 ...
>                 'method', {'time' 'ensemble'}}, ...
>                 'resetConfigs',true);​
>
>  It works fine, but I do an is equal on the data before and after and
> they are identical.
>
>  Im thinking this cant be correct because it should be removing a
> significant proportion of my data.
>  I went through the code and it appears as though it is storing the data
> in EEG.CAT. Have I missed
>  something or am I doing it correctly?
>
>  Kind regards,
>
>  Tyler
>
>
>
>    *************************
>
>  *Tyler Grummett ( BBSc, BSc(Hons I))*
> *PhD Candidate*
> *Brain Signals Laboratory*
> *Flinders University*
> *Rm 5A301*
> *Ext 66125*
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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