<div dir="ltr">Dear Donia,<div><br></div><div>My initial guess: you don't have channel locations, do you? The function tries to plot scalp maps, so it requires channel locations.</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Aug 1, 2015 at 12:01 PM, Donia ZaheriSarabi <span dir="ltr"><<a href="mailto:donia@vt.edu" target="_blank">donia@vt.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 Steve,<div><br></div><div>Thanks for responding, my input data is a matlab array, I locate the channels, remove the baseline, run ICA, scroll data and reject part of it. and for channel spectra and maps, I select the sample size of 15% of data. I select "Channel Spectra and Maps" by GUI.</div><div>I tried EEG sample data too and followed the tutorial for channel mapping and spectra, and got the same error again.</div><div><br></div><div>Thanks,</div><div>Donia</div><div><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Aug 1, 2015 at 1:29 PM, Stephen Politzer-Ahles <span dir="ltr"><<a href="mailto:spa268@nyu.edu" target="_blank">spa268@nyu.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"><div>Hello Donia,<br><br></div><div>To get help, you might need to provide more details about the format of your data, how you have processed your data, and what commands you used when you call "Channel Spectra and Maps".<br><br></div><div>Best,<br></div><div>Steve<br></div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><br><br></div>Stephen Politzer-Ahles<br>New York University, Abu Dhabi<br>Neuroscience of Language Lab<br><a href="http://www.nyu.edu/projects/politzer-ahles/" target="_blank">http://www.nyu.edu/projects/politzer-ahles/</a><br></div></div></div>
<br><div class="gmail_quote"><div><div>On Sat, Aug 1, 2015 at 5:50 PM, Donia ZaheriSarabi <span dir="ltr"><<a href="mailto:donia@vt.edu" target="_blank">donia@vt.edu</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><div dir="ltr"><span style="font-size:12.8000001907349px">Hi,</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">I'm trying to plot the channel spectra and map for my 4 channels EEG raw data, but when I use the "Channel Spectra and Map" in EEGLAB, I get this figure with empty spaces for the map (figure below). May I ask if anyone knows what is the problem?</span><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Link to the image: <a href="http://tinypic.com/r/wi7hb4/8" target="_blank">http://tinypic.com/r/wi7hb4/8</a></span></div><div><br></div><div><div><span style="font-size:12.8000001907349px">P.S: I have signal processing toolbox install on my MATLAB<br></span><div><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Thanks,</span></div><div><span style="font-size:12.8000001907349px">Donia</span><br></div></div></div></div>
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