<div dir="ltr">Hi Nikola, <div><br></div><div>I am facing the same issue. All pre-processing steps carefully followed and ICAs done for all subjects. But still this 'Na' error (<a href="https://www.dropbox.com/s/sw6xvujbalidg24/error_preclustering.JPG?dl=0">https://www.dropbox.com/s/sw6xvujbalidg24/error_preclustering.JPG?dl=0</a>) pops up saying that some of the datasets have ICA decompositions missing. </div><div><br></div><div>Let's see what experts on the list have to say about it. </div><div><br></div><div>Akshay</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 24, 2015 at 7:33 AM, Nikola Vukovic <span dir="ltr"><<a href="mailto:vukovicnikola@gmail.com" target="_blank">vukovicnikola@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">Dear EEGLAB list
<div><br></div><div>I would be very grateful is someone could help me out with an error I've been getting. When I try to precluster components in a given STUDY (it happens for several study files), I get the following error:</div><div><br></div><div><pre style="width:50em"><font color="#000000" size="3"><span style="white-space:pre-wrap;background-color:rgb(232,232,232)">FOR CLUSTERING, YOU MAY ONLY USE DIPOLE OR SCALP MAP CLUSTERING. This is
because some datasets do not have ICA pairs. Look for NaN values in
STUDY.cluster(1).sets which indicate missing datasets. Each column in this
array indicate datasets with common ICA decompositions.</span></font><br><br></pre><pre style="width:50em"><font face="arial, helvetica, sans-serif">Looking inside the cluster(1).sets, I can indeed find some NaN fields, suggesting not all files have associated ICA decomposition data. This, however, is puzzling because I made sure to do ICA on each subject's dataset *before* epoching, meaning that all sets for individual conditions share the same weights for a subject. After getting this error I even tried to copy the weights </font><span style="font-family:arial,sans-serif">(EEG.icawinv + EEG.icasphere + EEG.icaweights + EEG.icachansind)</span><span style="font-family:arial,helvetica,sans-serif"> from the unepoched set to all the epoched ones.</span></pre><pre style="width:50em"><font face="arial, helvetica, sans-serif">Did anyone have this error too, and how could it be solved?</font></pre><pre style="width:50em"><font face="arial, helvetica, sans-serif">Thanks for any help,</font></pre><pre style="width:50em"><font face="arial, helvetica, sans-serif">Nikola</font></pre></div></div>
<br>_______________________________________________<br>
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" rel="noreferrer" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>
For digest mode, send an email with the subject "set digest mime" to <a href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Akshay Raj Maggu, <div>PhD Candidate, </div><div>Laboratory for Language, Learning and the Brain,</div><div>Department of Linguistics and Modern Languages, </div><div>The Chinese University of Hong Kong, </div><div>Hong Kong.</div><div>Webpage: <a href="http://www.cuhk.edu.hk/lin/new/people/students/maggu/" target="_blank">http://www.cuhk.edu.hk/lin/new/people/students/maggu/</a></div><div><i>Save trees.. Save life! Please don't print this email unless you really need to.....</i></div></div></div></div></div>
</div>