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<p>I suppose we could equalise the number of epochs per condition, in theory (although I'm not familiar with the best way to do this). Basically the unequal epoch numbers arose due to problems during data collection, whereby a few random trials were lost in
almost every subject. </p>
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<p>Regards</p>
<p>Lyam</p>
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<p><span style="color:rgb(0,0,0); font-family:arial,sans-serif; font-size:12.8px">Lyam Bailey, BSc.</span><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> mne_analysis-bounces@nmr.mgh.harvard.edu <mne_analysis-bounces@nmr.mgh.harvard.edu> on behalf of Denis-Alexander Engemann <denis.engemann@gmail.com><br>
<b>Sent:</b> Monday, April 17, 2017 4:40:11 PM<br>
<b>To:</b> Discussion and support forum for the users of MNE Software<br>
<b>Subject:</b> Re: [Mne_analysis] MNE source estimate analysis with multiple conditions</font>
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<div dir="ltr">Does your experimental logic allow you to equalize the number of epochs per conditions or do you have some rare events by design?
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<div>Denis</div>
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<div dir="ltr">On Mon, Apr 17, 2017 at 11:30 AM Lyam Bailey <<a href="mailto:Lyam.Bailey@dal.ca">Lyam.Bailey@dal.ca</a>> wrote:<br>
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<p><span style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt">Hi Alex,</span><br>
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<p>Thanks for the tip! I'm glad you mentioned this because as it happens, I don't have the same number of epochs for each condition. Can you suggest a work around?</p>
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<p>Regards</p>
<p>Lyam</p>
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<p><span style="color:rgb(0,0,0);font-family:arial,sans-serif;font-size:12.8px">Lyam Bailey, BSc.</span><br>
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<span style="color:rgb(0,0,0)">Dalhousie University</span></div>
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<div id="m_-5066923205141018401x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b>
<a href="mailto:mne_analysis-bounces@nmr.mgh.harvard.edu" target="_blank">mne_analysis-bounces@nmr.mgh.harvard.edu</a> <<a href="mailto:mne_analysis-bounces@nmr.mgh.harvard.edu" target="_blank">mne_analysis-bounces@nmr.mgh.harvard.edu</a>> on behalf of Alexandre
Gramfort <<a href="mailto:alexandre.gramfort@telecom-paristech.fr" target="_blank">alexandre.gramfort@telecom-paristech.fr</a>><br>
<b>Sent:</b> Tuesday, April 11, 2017 6:31:55 PM<br>
<b>To:</b> Discussion and support forum for the users of MNE Software</font></div>
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<b>Subject:</b> Re: [Mne_analysis] MNE source estimate analysis with multiple conditions</font></div>
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<div class="m_-5066923205141018401PlainText">> This would be dSPM(a) - dSPM(b).<br>
<br>
tiny detail: this will only be true if the two conditions have the<br>
same number of epochs averaged in each condition.<br>
<br>
Alex<br>
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