[Mne_analysis] Problems with interpolation (newbie question)

[Eric Larson]

        External Email - Use Caution        

The problem is your `raw.copy().pick_types(eeg=True)` call, the default
there is `exclude='bads'` which will have removed the channel you want to
fix. Change it to `raw.copy().pick_types(eeg=True, exclude=())` and you
should be good to go.

Eirc


On Fri, Aug 23, 2019 at 3:27 AM Alexandre Gramfort <
alexandre.gramfort at inria.fr> wrote:

>         External Email - Use Caution
>
> is FC3 present in the available data?
> if not you need to add a channel with zero data to interpolate it.
>
> Alex
>
>
> On Fri, Aug 23, 2019 at 5:13 AM Егор Сысоев <egor.sysoev2002 at gmail.com>
> wrote:
> >
> >         External Email - Use Caution
> >
> > Hi everybody,
> > I'm new to MNE analysis. I'm trying to interpolate bad channels in EEG
> (BioSemi) data, but there seems to be an error.
> > The raw.info looks like this:
> >
> > <Info | 16 non-empty fields
> >     bads : list | FC3
> >     ch_names : list | Fp1, AF7, AF3, F1, F3, F5, F7, FT7, FC5, ...
> >     chs : list | 73 items (EEG: 72, STIM: 1)
> >     comps : list | 0 items
> >     custom_ref_applied : bool | False
> >     dev_head_t : Transform | 3 items
> >     events : list | 0 items
> >     highpass : float | 0.0 Hz
> >     hpi_meas : list | 0 items
> >     hpi_results : list | 0 items
> >     lowpass : float | 104.0 Hz
> >     meas_date : tuple | 2015-09-01 13:51:14 GMT
> >     nchan : int | 73
> >     proc_history : list | 0 items
> >     projs : list | 0 items
> >     sfreq : float | 512.0 Hz
> >     acq_pars : NoneType
> >     acq_stim : NoneType
> >     ctf_head_t : NoneType
> >     description : NoneType
> >     dev_ctf_t : NoneType
> >     dig : NoneType
> >     experimenter : NoneType
> >     file_id : NoneType
> >     gantry_angle : NoneType
> >     hpi_subsystem : NoneType
> >     kit_system_id : NoneType
> >     line_freq : NoneType
> >     meas_id : NoneType
> >     proj_id : NoneType
> >     proj_name : NoneType
> >     subject_info : NoneType
> >     xplotter_layout : NoneType
> > >
> >
> >
> >  And the error\warning when I write
> "raw.copy().pick_types(eeg=True).interpolate_bads()" is this:
> >
> >
> > <ipython-input-21-28f155242753>:1: RuntimeWarning: No bad channels to
> interpolate. Doing nothing...
> >   raw.copy().pick_types(eeg=True).interpolate_bads()
> >
> >  As can be seen from the raw.info, there is one bad channel, and I
> can't figure out what the problem is.
> >
> >
> > Best regards,
> >
> > Egor
> >
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