[Mne_analysis] Strange PLV results {Disarmed}

[Alexandre Gramfort]

        External Email - Use Caution        

hi,

you should use plt.matshow to look at this matrix.

if you have zeros it's because I think we do not compute
full matrices when we know it's symmetric.
We only compute the lower triangular part.

HTH

Alex


On Thu, Nov 26, 2020 at 7:23 AM liyy90 <liyy90 at 163.com> wrote:

>         External Email - Use Caution
>
> Hi all,
>
> I got my phase locing values with codes like these:
>
> fmin, fmax = 3., 30.
> sfreq = epochs.info['sfreq']
> tmin = 0.0
> tmax = 1.0
> con, freqs, times, _, _ = spectral_connectivity(
>     epochs, method='plv', mode='multitaper', sfreq=sfreq, fmin=fmin,
> fmax=fmax,
>     faverage=False, tmin=tmin, tmax=tmax, mt_adaptive=True, n_jobs=1)
>
> Then I got the 'con' result with most of zeros. I wonder there is
> something wrong with my script.
>
> Thanks for any help!
>
> Best regards,
> Yuri
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