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<body lang="en-CH" link="#0563C1" vlink="#954F72" style="word-wrap:break-word"><p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;"> External Email - Use Caution </span></p><p></p>
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<p class="MsoNormal"><span lang="EN-US">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am using MNE for EEG analysis on my MacBook Pro on both mac OS and Windows (double boot).
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Today, I could not apply projectors on Windows but I could on mac OS. The error raised on Windows is:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">C:\Program Files\Python\Python38\lib\site-packages\mne\io\proj.py:641: RuntimeWarning: invalid value encountered in greater<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US"> nproj = np.sum((S / S[0]) > 1e-2)</span></i><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The error was raised when doing:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">raw = mne.io.read_raw_fif(fname, preload=True)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">raw.set_eeg_reference(ref_channels='average', projection=True) # CAR
<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">eog_projs, _ = mne.preprocessing.compute_proj_eog(raw, n_grad=0, n_mag=0, n_eeg=1, reject=None,<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US"> no_proj=True, n_jobs=1)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">raw.add_proj(eog_projs)<o:p></o:p></span></i></p>
<p class="MsoNormal" style="margin-left:36.0pt"><i><span lang="EN-US">raw.plot(scalings=DEFAULT_SCALINGS)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US">Note that using only one of the 2 projectors raises the same error; and using raw.apply_proj() does it as well.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Same file with same script on mac OS is working fine. Any idea for a solution?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Have a nice day,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Mathieu Scheltienne<o:p></o:p></span></p>
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