[Mne_analysis] Welch PSD in source space

[Denis-Alexander Engemann]

For now you can use `mne.time_frequency.psd._psd_welch` and pass sfreq from
your info and data from the stc.

On Mon, Nov 7, 2016 at 4:03 PM Denis-Alexander Engemann <
denis.engemann at gmail.com> wrote:

> Hi Laetitia I would simply source localize epochs and compute the Welch on
> the output. I happen to write some code for this right now, I'm happy to
> share it with you. We can then make a PR to MNE. Currently the API there
> does not seam to support this yet.
> Denis
>
> On Mon, Nov 7, 2016 at 3:55 PM Laetitia Grabot <laetitia.grabot at gmail.com>
> wrote:
>
> Dear MNE-users,
>
> I would like to compute PSD in source space using Welch's method. I did
> not find how to do it with the currently implemented functions:
> - compute_source_psd is doing it but from raw file, yet I'ld like to
> perform the analysis only on some parts of epochs,
> - compute_source_psd_epochs is using multitaper,
> - psd_welch had epochs/evoked instances as argument and not source data
>
> How could I do it?
>
> Thanks a lot,
> Best,
> Laetitia G.
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