[FieldTrip] EEG RESTING STATE SOURCE RECONSTRUCTION

[Elene Beitia Loinaz]

Hi Jan,

Thank you for your answer. It has been really helpful.

Elene.

Hau idatzi du Schoffelen, J.M. (Jan Mathijs) (jan.schoffelen at donders.ru.nl)
erabiltzaileak (2019 urt. 8, ar. (09:00)):

> Hi Elena,
>
> Just like almost all high level fieldtrip functions, ft_freqanalysis
> requires both a ‘cfg’ variable, and a ‘data’ variable in its input. In your
> code you only use cfg.
>
> Best wishes,
> Jan-Mathijs
>
>
> J.M.Schoffelen, MD PhD
> Senior Researcher, VIDI-fellow - PI, language in interaction
> Telephone: +31-24-3614793
> Physical location: room 00.028
> Donders Centre for Cognitive Neuroimaging, Nijmegen, The Netherlands
>
>
>
> On 7 Jan 2019, at 18:21, Elene Beitia Loinaz <
> elene.beitia at alumni.mondragon.edu> wrote:
>
> Dear Fieldtrip Community,
>
> My name is Elene Beitia, I am a student from the Basque Country. I am
> trying to use the fieltrip toolbox to do a source reconstruction of EEG`s
> in Resting State.
>
> I am  having troubles in doing the fourier transform. The input data that
> I am using is in 'ms' and the error that I get is the next one:
>
> Error using ft_checkdata (line 525)
> This function requires 'raw', 'raw+comp' or 'mvar' data as input, see
> ft_datatype_raw or ft_datatype_mvar.
>
> Error in ft_freqanalysis (line 212)
> data = ft_checkdata(data, 'datatype', {'raw', 'raw+comp', 'mvar'},
> 'feedback', cfg.feedback, 'hassampleinfo', 'yes');
>
> I have change the parameters to see if the problem was there but I still
> get the same.
>
> I add the code in this message:
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> %% FOURIER TRANSFORMS
>
> cfg              = [];
> cfg.dataset      = filename;
> cfg.datatype     ='mvar';
> cfg.continuous   ='yes';
> cfg.output       = 'fourier';
> cfg.channelcmb   = 'all';
> cfg.channel      = 'all';
> cfg.trials       = 'all';
> cfg.keeptrials   = 'yes';
> cfg.keeptapers   = 'yes';
> cfg.method       = 'mtmfft';
> cfg.taper        = 'hanning';
> cfg.toi          = [-1 : 0.10 : 1.5];
> cfg.foi          = 1:40;
> cfg.t_ftimwin    = ones(size(cfg.foi)) * 0.5;
> cfg.pad          ='nextpow2';
> cfg.feedback     = 'no';
> %cfg.hassampleinfo= 'yes';
>
> data_Fourier     = ft_freqanalysis(cfg);
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> Hope you can give me some information in order to solve the problem,
>
> Thank you in advanced,
>
> Elene.
>
>
>
>
>
>
>
>
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>
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