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MRG, MAINT: Reduce memory #7099

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20 changes: 6 additions & 14 deletions tutorials/epochs/plot_10_epochs_overview.py
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Expand Up @@ -72,11 +72,16 @@
# data, so in this section we'll load the continuous data and create epochs
# based on the events recorded in the :class:`~mne.io.Raw` object's STIM
# channels.
#
# .. note:: To conserve memory, here we load a version of the raw data
# that has been low-passed at 40 Hz and decimated.
# We also remove the average reference projector.

sample_data_folder = mne.datasets.sample.data_path()
sample_data_raw_file = os.path.join(sample_data_folder, 'MEG', 'sample',
'sample_audvis_raw.fif')
'sample_audvis_filt-0-40_raw.fif')
raw = mne.io.read_raw_fif(sample_data_raw_file, verbose=False)
raw.del_proj()

###############################################################################
# As we saw in the :ref:`tut-events-vs-annotations` tutorial, we can extract an
Expand All @@ -85,19 +90,6 @@
events = mne.find_events(raw, stim_channel='STI 014')

###############################################################################
# .. note::
#
# We could also have loaded the events from file, using
# :func:`mne.read_events`::
#
# sample_data_events_file = os.path.join(sample_data_folder,
# 'MEG', 'sample',
# 'sample_audvis_raw-eve.fif')
# events_from_file = mne.read_events(sample_data_events_file)
#
# See :ref:`tut-section-events-io` for more details.
#
#
# The :class:`~mne.io.Raw` object and the events array are the bare minimum
# needed to create an :class:`~mne.Epochs` object, which we create with the
# :class:`mne.Epochs` class constructor. However, you will almost surely want
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