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%matplotlib inline
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# Author: Eric Larson <larson.eric.d@gmail.com>
#
# License: BSD (3-clause)
from os import path as op
from mne.datasets.sample import data_path
from mne.minimum_norm import read_inverse_operator
from mne import read_evokeds
from mne.viz import plot_snr_estimate
print(__doc__)
data_dir = op.join(data_path(), 'MEG', 'sample')
fname_inv = op.join(data_dir, 'sample_audvis-meg-oct-6-meg-inv.fif')
fname_evoked = op.join(data_dir, 'sample_audvis-ave.fif')
inv = read_inverse_operator(fname_inv)
evoked = read_evokeds(fname_evoked, baseline=(None, 0))[0]
plot_snr_estimate(evoked, inv)