<div dir="ltr"><div><div><div>Dear Elena,<br><br></div>This may be due to this bug fix: <br><br><a href="https://github.com/mne-tools/mne-python/pull/3055/files">https://github.com/mne-tools/mne-python/pull/3055/files</a><br><br></div>Previously, a synthetic ecg channel was incorrectly created even when the ecg channel was set by the user.<br><br></div>To check that the `<span style="font-family:monospace,monospace">create_ecg_epochs`</span> function works on your computer, try:<br><br>```<br><div><div><span style="font-family:monospace,monospace">from <a href="http://mne.io">mne.io</a> import Raw<br>from mne.preprocessing import create_ecg_epochs<br>from mne.datasets import sample<br><br>data_path = sample.data_path()<br>fname = data_path + '/MEG/sample/sample_audvis_filt-0-40_raw.fif'<br>raw = Raw(fname, preload=True)<br><br>ecg_epochs = create_ecg_epochs(raw, tmin=-.15, tmax=.4,<br> l_freq=1.0, h_freq=20.0,<br> reject=dict(grad=4000e-13),<br> ch_name=None, picks=None)</span><br> ```<br><br></div><div>I haven't been able to reproduce your error, so I suspect that there is something wrong with your raw. Can you report us<br><br>```<br></div><div><span style="font-family:monospace,monospace">raw._data.shape<br></span></div><div><span style="font-family:monospace,monospace">raw.ch_names<br></span></div><div><span style="font-family:monospace,monospace">reject<br></span></div><div><span style="font-family:monospace,monospace">picks</span><br>```<br><br></div><div>Best,<br><br></div><div>Jean-Rémi<br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 12 May 2016 at 04:52, Elena Orekhova <span dir="ltr"><<a href="mailto:orekhova.elena.v@gmail.com" target="_blank">orekhova.elena.v@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Hello mne developers,<br><br></div>I upgraded to mne-12 by <br>% pip install --upgrade --user mne<br><br></div>(although the output indicates that in this way I installed mne-0.11.0 ...? See below )<br><div><div><div>#################<br>Collecting mne<br> Using cached mne-0.12.0.tar.gz<br>Installing collected packages: mne<br> Running setup.py install for mne ... done<br>Successfully installed mne-0.11.0<br>################<br><br></div><div>After the upgrade running this line (that previously worked OK) <br>ecg_epochs = create_ecg_epochs(RAW, reject=reject, tmin=-.15, tmax=.4, ch_name=ECG_ch, l_freq=1.0, h_freq=20.0, picks=picks)<br>gives me an error:<br>Data must be a 2D array of shape (n_channels, n_samples<br><br>The full error output is below.<br></div><div>I believe that this relates to the upgrade.<br></div><div><br>Regards,<br></div><div>Elena<br></div><div><br></div><div><br></div><div><br></div></div></div></div>
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