[FieldTrip] Circular Correlation coefficient
Julian Keil
julian.keil at gmail.com
Tue Feb 2 08:57:10 CET 2016
Hi David,
to compute circular statistics (e.g. phase correlations) you need to leave fieldtrip a bit.
Here's the toolbox I usually use: http://www.mathworks.com/matlabcentral/fileexchange/10676-circular-statistics-toolbox--directional-statistics-
As you don't describe why you need circular statistics, it's a bit hard to give a more helpful answer.
Good luck,
Julian
Am 01.02.2016 um 13:40 schrieb David Syloni:
> Dear Fieldtripers,
>
> I'm trying to apply connectivity analysis with continuous EEG data.
>
> I'm using:
>
>
>
> cfg = [];
> cfg.method = 'mtmfft';
> cfg.taper = 'dpss';
> cfg.output = 'fourier';
> cfg.tapsmofrq = 4;
> cfg.width=2;
> cfg.foilim = [0 250];
> cfg.keeptrials = 'yes';
> freq = ft_freqanalysis(cfg, data_no_artifacts);
>
>
>
>
> cfg = [];
> cfg.method = 'plv';
> 'mtmfft'
> cfg.foilim = [8 12];
> cfg.bandwidth=5;
> cfg.tapsmofrq = 4;
> cfg.keeptrials = 'yes';
> cfg.output = 'powandcsd';
> cfg.channelcmb = c;
> coh = ft_connectivityanalysis(cfg, freq);
>
> Right now I should calculate Circular Correlation and I'm stuck with it.
>
> I would very appreciate your help!
>
> Thanks in advance,
>
> David
> _______________________________________________
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
> http://mailman.science.ru.nl/mailman/listinfo/fieldtrip
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