[Eeglablist] Error message on

[Makoto Miyakoshi]

Dear James,

In case users do not have the toolbox, the ASR tool I know of has
precomputed filters for several pre-set sampling rates. I think that for
256Hz is missing, though that for 250Hz is present. If you re-sample the
data to 250Hz, it should work.

Makoto

On Fri, Oct 28, 2022 at 5:33 PM James Lawrence <jlawrence at hpu.edu> wrote:

> Thank you both for your input.  How would I get in touch with Arno, Makoto
> or Christian?
>
> James
>
> James Le Marchant Lawrence Ph.D.
>
> Assistant Professor of Biology
>
>
> [image: HPU Logo]
> ------------------------------
> *From:* Cedric Cannard <ccannard at protonmail.com>
> *Sent:* Friday, October 28, 2022 6:45 AM
> *To:* Velu Prabhakar Kumaravel <velu.kumaravel at unitn.it>
> *Cc:* James Lawrence <jlawrence at hpu.edu>; EEGLAB List <
> eeglablist at sccn.ucsd.edu>; Arnaud Delorme <arnodelorme at gmail.com>; Makoto
> Miyakoshi <mmiyakoshi at ucsd.edu>
> *Subject:* Re: [Eeglablist] Error message on
>
> *[CAUTION: External Sender] *
>
> It's definitely not the plugin because I use it on data with 256 Hz sample
> rate all the time.
> It's because you don't have Matlab signal processing toolbox!
>
> Not sure what the code does in this case, sorry. Maybe Arno, Makoto, or
> Christian can help?
>
> Cedric
>
>
> ------- Original Message -------
> On Friday, October 28th, 2022 at 7:24 AM, Velu Prabhakar Kumaravel <
> velu.kumaravel at unitn.it> wrote:
>
> I have used ASR on data collected with 256 Hz. I also verified the code in
> GitHub
> <https://urldefense.com/v3/__https://github.com/sccn/clean_rawdata/blob/master/asr_calibrate.m*L146__;Iw!!Mih3wA!DsRWiSoWXJju2MNsyt0EOJBLfG1hf8fcSajYFvJtb-_9YA5m3R2zvB_Q0JGU0tsPCERy8qQAI_Fzj-L6RsKleg$>,
> which has a case for 256 Hz. My best bet is that there's some issue with
> the toolbox license.
>
> To confirm it is a license issue, please type "which yulewalk" in the
> command window. If it says '*yulewalk' not found*, you'd have to install
> the Signal Processing toolbox.
>
> Best,
>
> Velu
>
> On Thu, Oct 27, 2022, 23:08 Cedric Cannard via eeglablist <
> eeglablist at sccn.ucsd.edu> wrote:
>
> Dear James,
>
> Never seen this message before. Sounds like it's either your sample rate
> that might be unstable (try to downsample to 200 hz see if that fixes it),
> or if you didn't highpass-filter your signal. Either check the box in
> clean_rawdata (top of the window), or Tools > filter > type 1 in the lower
> edge box.
>
> If that doesn't do it, maybe someone knows more about this problem and can
> help.
>
> Cedric
>
>
>
> ------- Original Message -------
> On Wednesday, October 26th, 2022 at 5:57 PM, James Lawrence <
> jlawrence at hpu.edu> wrote:
>
>
> > Aloha
> >
> > I am very new to using EEGLab and ran the "Reject data using Clean
> Rawdata and ASR" function and received the following error message.
> >
> > "The yulewalk() function was not found and there is no pre-computed
> spectral filter for your sampling rate. If you would like to use the
> default spectral filter please try to resample to one of the supported
> rates (110, 128, 200, 256, 300, 500, 512) or get the appropriate toobox
> license (you can also disable the spectral weighting feature or supply your
> own precalculated IIR filter coefficients).,
> >
> > This is not a bug (Error occurred in function asr_calibrate() at line
> 155)"
> >
> > I used a g.tec device to capture the data which sampled at 250Hz. What
> should I do?
> >
> >
> > James Le Marchant Lawrence Ph.D.
> >
> > Assistant Professor of Biology
> >
> >
> > [HPU Logo]
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