<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;External Email - Use Caution&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></p><p></p>





<!--StartFragment--><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">Dears:</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><br class=""></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">I am wondering whether '<span style="background-color: rgb(255, 255, 255);" class="">mne.pick_types</span>'<span style="background-color: rgb(255, 255, 255);" class="">&nbsp;has a bug for CTF dataset. W</span>hen I use&nbsp;‘gradiometer’ as parameter there is&nbsp;<span style="background-color: rgb(255, 255, 255);" class="">no gradiometer channels were selected (</span><span style="background-color: rgb(255, 255, 255);" class="">mne.pick_types(<a href="http://raw_data.info" class="">raw_data.info</a>,&nbsp;</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 0, 153);" class="">meg</span><span style="background-color: rgb(255, 255, 255);" class="">=</span><span style="background-color: rgb(255, 255, 255); color: rgb(0, 128, 128); font-weight: bold;" class="">'grad</span><span style="background-color: rgb(255, 255, 255);" class=""><font color="#008080" class=""><b class="">’</b></font>)</span><span style="background-color: rgb(255, 255, 255);" class="">)</span><span style="background-color: rgb(255, 255, 255);" class="">, while the 275 gradiometer channels could be selected by using the ‘magnetometer’ as parameter (</span><span style="background-color: rgb(255, 255, 255);" class="">mne.pick_types(<a href="http://raw_data.info" class="">raw_data.info</a>,&nbsp;</span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 0, 153);" class="">meg</span><span style="background-color: rgb(255, 255, 255);" class="">=</span><span style="background-color: rgb(255, 255, 255);" class=""><font color="#008080" class=""><b class="">‘</b><b class="">mag</b></font></span><span style="background-color: rgb(255, 255, 255);" class=""><font color="#008080" class=""><b class="">’</b></font>)</span><span style="background-color: rgb(255, 255, 255);" class="">) as shown by the screenshot.&nbsp;I report this information please let me know if&nbsp;I misunderstood anything.&nbsp;</span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class="">My system and MNE environment is shown below:</span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">Platform: &nbsp; &nbsp; &nbsp;Darwin-18.7.0-x86_64-i386-64bit</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">Python: &nbsp; &nbsp; &nbsp; &nbsp;3.6.8 |Anaconda, Inc.| (default, Dec 29 2018, 19:04:46) &nbsp;[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)]</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">Executable: &nbsp; &nbsp;/anaconda3/envs/mne/bin/python</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">CPU: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; i386: 12 cores</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">Memory: &nbsp; &nbsp; &nbsp; &nbsp;32.0 GB</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">mne: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0.19.dev0</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">numpy: &nbsp; &nbsp; &nbsp; &nbsp; 1.16.4 {blas=mkl_rt, lapack=mkl_rt}</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">scipy: &nbsp; &nbsp; &nbsp; &nbsp; 1.2.1</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">matplotlib: &nbsp; &nbsp;3.1.0 {backend=MacOSX}</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">sklearn: &nbsp; &nbsp; &nbsp; 0.21.2</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">nibabel: &nbsp; &nbsp; &nbsp; 2.4.0</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">mayavi: &nbsp; &nbsp; &nbsp; &nbsp;4.6.2 {qt_api=pyqt5, PyQt5=5.12.1}</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">cupy: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Not found</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">pandas: &nbsp; &nbsp; &nbsp; &nbsp;0.24.2</div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class="">dipy: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;0.16.0</div></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><br class=""></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class="">Best regards</span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class="">bo</span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="background-color: rgb(255, 255, 255);" class=""><a href="mailto:bo.zhang@pku.edu.cn" class="">bo.zhang@pku.edu.cn</a>&nbsp;</span></div><div class=""><br class=""></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="font-family: Arial;" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><span style="font-family: Arial;" class=""><br class=""></span></div><div style="margin-top: 0pt; margin-bottom: 0pt; direction: ltr; unicode-bidi: embed; vertical-align: baseline;" class=""><img apple-inline="yes" id="73325F38-BDEA-4C03-9796-8BF0317076E8" src="cid:B5B5A5A5-BB80-4362-AE34-074586071F02" class=""></div>

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