def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists."""
assert not _has_eeg_average_ref_proj([])
raw = read_raw_fif(raw_fname)
raw.set_eeg_reference(projection=True)
assert _has_eeg_average_ref_proj(raw.info['projs'])
def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists"""
assert_true(not _has_eeg_average_ref_proj([]))
raw = read_raw_fif(raw_fname)
raw.set_eeg_reference()
assert_true(_has_eeg_average_ref_proj(raw.info["projs"]))
def test_make_eeg_average_ref_proj():
"""Test EEG average reference projection."""
raw = read_raw_fif(raw_fname, preload=True)
eeg = pick_types(raw.info, meg=False, eeg=True)
# No average EEG reference
assert not np.all(raw._data[eeg].mean(axis=0) < 1e-19)
# Apply average EEG reference
car = make_eeg_average_ref_proj(raw.info)
reref = raw.copy()
reref.add_proj(car)
reref.apply_proj()
assert_array_almost_equal(reref._data[eeg].mean(axis=0), 0, decimal=19)
# Error when custom reference has already been applied
with raw.info._unlock():
raw.info['custom_ref_applied'] = True
pytest.raises(RuntimeError, make_eeg_average_ref_proj, raw.info)
# test that an average EEG ref is not added when doing proj
raw.set_eeg_reference(projection=True)
assert _has_eeg_average_ref_proj(raw.info['projs'])
raw.del_proj(idx=-1)
assert not _has_eeg_average_ref_proj(raw.info['projs'])
raw.apply_proj()
assert not _has_eeg_average_ref_proj(raw.info['projs'])
def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists"""
assert_true(not _has_eeg_average_ref_proj([]))
raw = read_raw_fif(raw_fname, add_eeg_ref=False, preload=False)
raw.set_eeg_reference()
assert_true(_has_eeg_average_ref_proj(raw.info['projs']))
def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists."""
assert not _has_eeg_average_ref_proj([])
raw = read_raw_fif(raw_fname)
raw.set_eeg_reference(projection=True)
assert _has_eeg_average_ref_proj(raw.info['projs'])
def test_make_eeg_average_ref_proj():
"""Test EEG average reference projection."""
raw = read_raw_fif(raw_fname, preload=True)
eeg = mne.pick_types(raw.info, meg=False, eeg=True)
# No average EEG reference
assert not np.all(raw._data[eeg].mean(axis=0) < 1e-19)
# Apply average EEG reference
car = make_eeg_average_ref_proj(raw.info)
reref = raw.copy()
reref.add_proj(car)
reref.apply_proj()
assert_array_almost_equal(reref._data[eeg].mean(axis=0), 0, decimal=19)
# Error when custom reference has already been applied
raw.info['custom_ref_applied'] = True
pytest.raises(RuntimeError, make_eeg_average_ref_proj, raw.info)
# test that an average EEG ref is not added when doing proj
raw.set_eeg_reference(projection=True)
assert _has_eeg_average_ref_proj(raw.info['projs'])
raw.del_proj(idx=-1)
assert not _has_eeg_average_ref_proj(raw.info['projs'])
raw.apply_proj()
assert not _has_eeg_average_ref_proj(raw.info['projs'])
def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists"""
assert_true(not _has_eeg_average_ref_proj([]))
raw = read_raw_fif(raw_fname)
raw.set_eeg_reference()
assert_true(_has_eeg_average_ref_proj(raw.info['projs']))
def test_has_eeg_average_ref_proj():
"""Test checking whether an EEG average reference exists"""
assert_true(not _has_eeg_average_ref_proj([]))
raw = Raw(raw_fname, add_eeg_ref=True, preload=False)
assert_true(_has_eeg_average_ref_proj(raw.info['projs']))
