[Eeglablist] Time- frequency analysis

[Makoto Miyakoshi]

Dear Iryna,

Set [250] or [251] instead of [0] in the 'sub epoch...'
Also, what is the exact sliding window width? Please copy and paste all the
the output report that shows up in the command line. It shows the window
width. [250] was just an example.

Makoto

On Tue, Jul 31, 2018 at 11:52 AM Gumenchuk, Iryna <Iryna_Gumenchuk at nymc.edu>
wrote:

> Hi Makoto,
>
> Still doesn't work. I attached two images: one, where I put all setting,
> and second - the error message. May be it will give you some idea.
> Thank you!
>
> -I
> ________________________________
> From: Makoto Miyakoshi [mmiyakoshi at ucsd.edu]
> Sent: Tuesday, July 31, 2018 2:24 PM
> To: Gumenchuk, Iryna; EEGLAB List
> Subject: Re: [Eeglablist] Time- frequency analysis
>
> Dear Iryna,
>
> > When I do disable baseline subtraction, then it works fine
>
> Ok so the issue is in using the baseline option.
>
> > e.g., [0 30000], I get the foll0wing error message:
>
> Let's try this together.
> If your sliding window length is 500 datapoint long, try
>
> [500  30000]
>
> It should work. It may also work
>
> [250 30000]
>
> or
>
> [251 30000]
>
> I think at least one of the above parameter choices should work, if I am
> guessing the cause of the problem correctly. Basically, your time-freq data
> will start from [250] or [251] which is the half length of your sliding
> window and no data before that.
>
> Makoto
>
>
> On Mon, Jul 30, 2018 at 7:36 AM Gumenchuk, Iryna <Iryna_Gumenchuk at nymc.edu
> <mailto:Iryna_Gumenchuk at nymc.edu>> wrote:
> Thank you for your response!
> Yes, this large value is for continuous data, and I want to subtract the
> baseline and then apply time - frequency analysis on continuous data. When
> I do disable baseline subtraction, then it works fine, but I need
> specifically to subtract the baseline.
> Best,
> Iryna
> ________________________________
> From: Makoto Miyakoshi [mmiyakoshi at ucsd.edu<mailto:mmiyakoshi at ucsd.edu>]
> Sent: Friday, July 27, 2018 9:28 PM
> To: Gumenchuk, Iryna
> Cc: EEGLAB List
> Subject: Re: [Eeglablist] Time- frequency analysis
>
> Dear Iryna,
>
> > When I use the eeglab, [0 1095000] is the value that is selected by
> default in the time-frequency dialog (pop_newtimef()).
>
> Hmm that seems a very large value, whatever it is. What is that value? My
> guess is you tried to apply time-frequency analysis on continuous data, but
> is that what you wanted to do?
>
> Also, try 'baseline', NaN to disable baseline subtraction. What do you see?
>
> Makoto
>
> On Mon, Jul 23, 2018 at 1:53 PM Gumenchuk, Iryna <Iryna_Gumenchuk at nymc.edu
> <mailto:Iryna_Gumenchuk at nymc.edu><mailto:Iryna_Gumenchuk at nymc.edu<mailto:
> Iryna_Gumenchuk at nymc.edu>>> wrote:
> When I use the eeglab, [0 1095000] is the value that is selected by
> default in the time-frequency dialog (pop_newtimef()). In the
> case of my continuous data, when I change select values for my baseline,
> e.g., [0 30000], I get the foll0wing error message:
> There are no sample points found in the default baseline. This may happen
> even though data time limits overlap with the baseline period (because of
> the time-freq. window width). Either disable the baseline, change the
> baseline limits.
> Please advice!
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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
>


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