[FieldTrip] Replacing artifacts part by nan value

[Erfan Vi]

Hi Jan Mathijs,

Hello, I apologize for the late reply
I corrected the spelling mistake but it didn't make any difference

Best wishes,
Erfan

On Tue, Aug 8, 2023 at 12:51 PM Schoffelen, J.M. (Jan Mathijs) via
fieldtrip <fieldtrip at science.ru.nl> wrote:

> Hi Erfan,
>
> Could it be that there is a typo here?
>
> cfg.artifactdef = cfg_artfctdef -> cfg.artfctdef = cfg_artfctdef;
>
>
> Best wishes,
> Jan-Mathijs
>
> On 24 Jul 2023, at 08:43, Erfan Vi via fieldtrip <fieldtrip at science.ru.nl>
> wrote:
>
> Dear FieldTrip users,
> I use the  ArtifactMEG.zip
> <https://urldefense.com/v3/__https://download.fieldtriptoolbox.org/tutorial/ArtifactMEG.zip__;!!HJOPV4FYYWzcc1jazlU!4vKXD91CTmKqghFOD3Hgu_P6uxQdXXMKO4yQwwLLlgsOkdwBZ385rFZK23er0FM8P4cEUSNk0NW_7HzsUvmxaFOIew$> example
> MEG dataset and code in the link
> https://www.fieldtriptoolbox.org/tutorial/ica_artifact_cleaning/
> <https://urldefense.com/v3/__https://www.fieldtriptoolbox.org/tutorial/ica_artifact_cleaning/__;!!HJOPV4FYYWzcc1jazlU!4vKXD91CTmKqghFOD3Hgu_P6uxQdXXMKO4yQwwLLlgsOkdwBZ385rFZK23er0FM8P4cEUSNk0NW_7HzsUvmxQBI3Lw$>
> to remove the artifact as follows:
> cfg = [];
> cfg.continuous = 'yes';
> cfg.blocksize = 60;
> cfg.plotevents = 'no';
> cfg.preproc.demean  = 'yes';
> cfg.layout = 'CTF151.lay';
> cfg = ft_databrowser(cfg, data);
> cfg_artfctdef = cfg.artfctdef;
>
> cfg = [];
> cfg.artifactdef = cfg_artfctdef;
> cfg.artfctdef.reject = 'nan';
> data_clean = ft_rejectartifact(cfg, data);
>
> For two reasons, the specified regions of the artifact are not replaced by
> the null value:
> 1) The output printed in the command window is:
> rejected   0 trials completely
> rejected   0 trials partially
> filled parts of   0 trials with NaNs
> filled parts of   0 trials with the specified value
> resulting   1 trials
> the call to "ft_rejectartifact" took 1 seconds
> 2) When I use the ft_databrowser function again for data_clean, basically
> the areas replaced with the null value should be invisible, which is not
> the case.
> Can anyone explain to me what's the problem?
> Thank you,
> Erfan Vajdi
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> https://urldefense.com/v3/__https://doi.org/10.1371/journal.pcbi.1002202__;!!HJOPV4FYYWzcc1jazlU!5Elnov9n-jvdLZPJJ37SCY8838Vwb8g8vIJRVIkVY7LptSOmvV34t0KzX4srA9AfkpIhoWGHJfaHl0EV3aOz5ftlbI0xDb1XBiTiPA$
>
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