<div dir="ltr">Dear Sahar,<div><br></div><div>Just my guess... try [-1 4] for epoching. I mean, it does not sense to me to use [1 4] because this window does not contain 0.</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 12, 2015 at 12:44 PM, Sahar Selim <span dir="ltr"><<a href="mailto:sahar.soussa@gmail.com" target="_blank">sahar.soussa@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"><div>Dear all,</div><div><br></div><div>Thanks for trying to help</div><div><br></div><div>These are the details of my steps: <b><i>(<font color="#cc0000">Check Screenshots of my steps</font>)</i></b></div><div><br></div><div><div><b>Steps of loading data in EEGLAB</b></div><div>1)<span style="white-space:pre-wrap"> </span>File -> Import Data -> Using the BioSig Interface</div><div> </div><div>2)<span style="white-space:pre-wrap"> </span>Choose a data File: BCI Competition Dataset IV 2a-> A01T.gdf</div><div><br></div><div>3)<span style="white-space:pre-wrap"> </span>Pop_biosig() : Select Channels 1,10,20</div><div> </div><div>4)<span style="white-space:pre-wrap"> </span>Tools -> Extract Epochs: Specify [start & end] seconds</div><div><br></div><div>5)<span style="white-space:pre-wrap"> </span>Select Event Types : Motor Imagery Events 769, 770, 771, 772</div><div> </div><div>6)<span style="white-space:pre-wrap"> </span>Save new Dataset</div><div> </div><div>7)<span style="white-space:pre-wrap"> </span>Remove Baseline</div><div><br></div><div> </div><div>Events appear to be none :(</div><div><br></div><div>I tried </div><span class=""><div><br></div><div>EEG = eeg_checkset(EEG, 'makeur');</div></span><div>But my problem is that when I epoch data the event is none not the urevent</div><div><br></div><div>Even though epochs appear to be 288 epochs they appear as an empty set in the matlab</div></div><div><br></div><div>please tell me if I'm missing anything</div><div><br></div><div><b><font color="#cc0000">Screenshots of my steps</font></b></div><div><br></div><a href="https://www.dropbox.com/s/fsm4bik8aktgzex/EEGLAB%20Commands%20for%20extracting%20Epochs.pdf?dl=0" target="_blank">https://www.dropbox.com/s/fsm4bik8aktgzex/EEGLAB%20Commands%20for%20extracting%20Epochs.pdf?dl=0</a><br><div><br></div><div>or</div><div><br></div><div><a href="https://www.mediafire.com/?rj74g47okmfddqq" target="_blank">https://www.mediafire.com/?rj74g47okmfddqq</a><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 5, 2015 at 4:52 PM, Makoto Miyakoshi <span dir="ltr"><<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 .8ex;border-left:1px #ccc solid;border-right:1px #ccc solid;padding-left:1ex;padding-right:1ex"><div dir="ltr">Dear Sahar,<div><br></div><div>Sorry for the trouble.</div><div>I can't think of any reason for it though.</div><div>Looks like you manually tried to take care of EEG.urevent (your description seems interrupted by the way) but it's better to leave EEGLAB to take care of it. If you want to make it, use EEG = eeg_checkset(EEG, 'makeur'); (or something like that) to force EEGLAB to recreate it.</div><div><br></div><div>To let us troubleshoot the problem, you should tell us more detail about the process you take. Generally speaking, I don't hear very often about the trouble in managing events.</div><div><br></div><div>Makoto</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Wed, Apr 22, 2015 at 10:48 AM, Sahar Selim <span dir="ltr"><<a href="mailto:sahar.soussa@gmail.com" target="_blank">sahar.soussa@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><div dir="ltr"><p class="MsoNormal"><span style="font-size:18.6666660308838px;line-height:21.4666652679443px">Hello</span><br></p>
<p class="MsoNormal" dir="LTR" style="direction:ltr"><span lang="AR-EG" dir="RTL" style="font-size:14pt;line-height:115%;font-family:Arial,sans-serif"> </span></p>
<p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%">I'm using BCI competition IV 2a. I've loaded my data using the EEGLAB. At this point the EEG.ur = EEG.event</span></p>
<p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%"><br></span></p><p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%">My
problem is that after epoching the dataset the EEG.event is empty []</span></p><p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%"><br></span></p>
<p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%">I
need to know the corresponding event of each epoch & the corresponding
latencies of these events</span></p><p class="MsoNormal" dir="LTR" style="direction:ltr"><span style="font-size:14pt;line-height:115%"><br></span></p><p class="MsoNormal"><span style="font-size:14pt;line-height:115%">Thanks in advance</span></p></div>
<br></div></div>_______________________________________________<br>
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" 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" target="_blank">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" target="_blank">eeglablist-request@sccn.ucsd.edu</a><span><font color="#888888"><br></font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div></div>
</font></span></div>
</blockquote></div><br></div>
</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div></div>
</div>