[Mne_analysis] Question about compensation grade
Alexandre Gramfort
alexandre.gramfort at inria.fr
Thu Oct 25 08:10:31 EDT 2018
External Email - Use Caution
hi Daisy,
it was recently enforced that comp channels are present to apply
compensation to the forward
operator. It was mistake not to enforce this in the first place.
can you check if it's fixed using current master version and if not open an
issue at https://github.com/mne-tools/mne-python/issues
thanks
Alex
On Wed, Oct 24, 2018 at 3:35 PM xiaoxu <smartcandies at 163.com> wrote:
>
> External Email - Use Caution
>
> Hi experts,
>
> I meet a problem when using MNE v0.16. Could you give me any suggestions? Thank you so much!
>
> The compensation grade of my MEG data is 3 (from CTF).
>
> When I run this command :
>
> filters = make_lcmv(evoked.info, forward, data_cov, reg=0.01,noise_cov=noise_cov, pick_ori=pick_ori, weight_norm='unit-noise-gain’)
>
> It said: Compensation grade 3 has been applied, but compensation channels are missing. But I have checked the evoked.info['ch_names’] and it did contain the compensation channels.
>
> I am wondering how to deal with it , as it didn’t happen in v0.14 or earlier.
>
> Thank you so much!
>
> Best,
>
> Daisy
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