[FieldTrip] i got this error

[Robert Oostenveld]

The dataset simply does not exist. You could fix that error by downloading the dataset that you want to process and by putting it in your working directory.

Please note that FieldTrip requires quite some MATLAB knowledge. If you get stuck here, you might not get very far with subsequent data analysis either. You may want to check out http://www.fieldtriptoolbox.org/references_to_review_papers_and_teaching_material#programming <http://www.fieldtriptoolbox.org/references_to_review_papers_and_teaching_material#programming>.

best regards,
Robert



> On 3 Jun 2018, at 15:25, Mohamed Fawzy <mfibm at yahoo.com> wrote:
> 
> ft_definetrial (cfg);
> Warning: file or directory "ArtifactMEG.ds" does not exist, could not determine fileformat 
> Warning: file or directory "ArtifactMEG.ds" does not exist, could not determine fileformat 
> Warning: file or directory "ArtifactMEG.ds" does not exist, could not determine fileformat 
> Warning: no trialfun was specified, using ft_trialfun_general 
> evaluating trialfunction 'ft_trialfun_general'
> reading the header from 'ArtifactMEG.ds'
> Error using ft_read_header (line 202)
> file or directory 'ArtifactMEG.ds' does not exist
> 
> Error in ft_trialfun_general (line 84)
>   hdr = ft_read_header (cfg.headerfile, 'headerformat', cfg.headerformat);
> 
> Error in ft_definetrial (line 178)
>     [trl, event] = feval (cfg.trialfun, cfg);
> how i fix it 
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