<div dir="ltr">Hi Max,<div><br></div><div>Thanks for your suggestion. However, I checked the data, there was no data from the reference channel, so I doubt this is the problem for the rank issue.</div><div><br></div><div>Cheers,</div>
<div>Hweeling</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On 29 January 2014 15:31, Max Cantor <span dir="ltr"><<a href="mailto:mcantor@umich.edu" target="_blank">mcantor@umich.edu</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">Hi Hwee,<div><br></div><div>It may be your reference channel. Try removing your reference channel from ICA and it should resolve the rank issue.</div>
<div><br></div><div>Max Cantor</div><div>Research Assistant</div>
<div>Computational Neurolinguistics Lab</div><div>University of Michigan</div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On Wed, Jan 29, 2014 at 8:57 AM, Hwee Ling Lee <span dir="ltr"><<a href="mailto:hweeling.lee@gmail.com" target="_blank">hweeling.lee@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div dir="ltr"><div>Dear all,</div><div><br></div><div>Whenever I export my EEG data using Brainvision analyser, I get problems with running ICA on Fieldtrip. The data has a different rank, although I specify to compute ICA using all channels.</div>
<div><br></div><div>However, when I use the raw EEG data collected from Brainvision recorder, I do not get this problem.</div><div><br></div><div>Does anyone know why and how to resolve this issue?</div><div><br></div><div>
My purpose of using Brainvision analyser is to downsample the EEG raw data before further analyses.</div><div><br></div><div>Thanks.</div><div><br></div><div>Best regards,</div><div>Hweeling</div><div><br></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr">=================================================<br>Dr. rer. nat. Lee, Hwee Ling<br>Postdoc<br>German Center for Neurodegenerative Diseases (DZNE) Bonn<br>
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