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"""
==================================
Reading and writing an evoked file
==================================
"""
# Author: Alexandre Gramfort <alexandre.gramfort@telecom-paristech.fr>
#
# License: BSD (3-clause)
print(__doc__)
from mne import read_evokeds
from mne.datasets import sample
data_path = sample.data_path()
fname = data_path + '/MEG/sample/sample_audvis-ave.fif'
# Reading
condition = 'Left Auditory'
evoked = read_evokeds(fname, condition=condition, baseline=(None, 0),
proj=True)
###############################################################################
# Show result as a butteryfly plot:
# By using exclude=[] bad channels are not excluded and are shown in red
evoked.plot(exclude=[])
# Show result as a 2D image (x: time, y: channels, color: amplitude)
evoked.plot_image(exclude=[])
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