<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Robert and Ozan,<div><br></div><div>I think that the problem reported is due to the fact that there was just one single trial in the input. In the drawing of the figure, the axis limits are set as [1 numtrl yax1 yax2] (or something), where in Ozan's case numtrl is 1. Matlab does not like the axis limits to be non increasing</div><div><br><div><div>On Jan 22, 2014, at 5:02 PM, Robert Oostenveld wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi Ozan<br><br>The error suggests that the variance that is computed is either 0, or is nan. A zero variance could be the cause of a channel that is clipping. The consequence of that is that the scaling of the vertical axis cannot be determined correctly.<br><br>Using the following code<br><br>data = []<br>data.label = {'a'}<br>data.time = {1:1000};<br>data.trial = {zeros(1,1000)};<br><br>cfg = [];<br>ft_rejectvisual(cfg, data)<br><br>I was able to reproduce your error. I only have a single all-zero channel (and one trial), but it suggests that your data is all zero. I suggest you check your data with ft_databrowser or standard MATLAB plotting functions.<br><br>The error of ft_rejectvisual however should not occur, so I have filed it on our bug tracking system as <a href="http://bugzilla.fcdonders.nl/show_bug.cgi?id=2450">http://bugzilla.fcdonders.nl/show_bug.cgi?id=2450</a><br><br>If you want to keep track of the bug and be notified when we fix it, please register at <a href="http://bugzilla.fcdonders.nl">bugzilla.fcdonders.nl</a> and add yourself as CC to the bug.<br><br>best regards and thanks for reporting the issue,<br>Robert<br><br><br><br>On 22 Jan 2014, at 14:07, Ozan Çağlayan wrote:<br><br><blockquote type="cite">Hi,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">When I call ft_rejectvisual, I receive the following matlab error:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">[data] = ft_rejectvisual(cfg, data)<br></blockquote></blockquote></blockquote><blockquote type="cite">the input is raw data with 14 channels and 1 trials<br></blockquote><blockquote type="cite">showing a summary of the data for all channels and trials<br></blockquote><blockquote type="cite">computing metric [--------------------------------------------------------|]<br></blockquote><blockquote type="cite">Error using set<br></blockquote><blockquote type="cite">Bad property value found.<br></blockquote><blockquote type="cite">Object Name: axes<br></blockquote><blockquote type="cite">Property Name: 'XLim'<br></blockquote><blockquote type="cite">Values must be increasing and non-NaN.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Error in axis>LocSetLimits (line 201)<br></blockquote><blockquote type="cite"> set(ax,...<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Error in axis (line 93)<br></blockquote><blockquote type="cite"> LocSetLimits(ax(j),cur_arg);<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Error in rejectvisual_summary>redraw (line 252)<br></blockquote><blockquote type="cite">abc = axis; axis([1 info.ntrl abc(3:4)]);<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Error in rejectvisual_summary (line 126)<br></blockquote><blockquote type="cite"> redraw(h);<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Error in ft_rejectvisual (line 274)<br></blockquote><blockquote type="cite"> [chansel, trlsel, cfg] = rejectvisual_summary(cfg, tmpdata);<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--------<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">my cfg is empty. Data is a one trial x 14 channel EEG data. The visual<br></blockquote><blockquote type="cite">rejection GUI appears but when I change the metric the figures in the<br></blockquote><blockquote type="cite">GUI are not redrawn. Is this expected? Is the above error important?<br></blockquote><blockquote type="cite">This is Matlab 2013a on Linux with the latest FieldTrip from GIT.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Thanks.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-- <br></blockquote><blockquote type="cite">Ozan Çağlayan<br></blockquote><blockquote type="cite">Research Assistant<br></blockquote><blockquote type="cite">Galatasaray University - Computer Engineering Dept.<br></blockquote><blockquote type="cite"><a href="http://www.ozancaglayan.com">http://www.ozancaglayan.com</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">fieldtrip mailing list<br></blockquote><blockquote type="cite"><a href="mailto:fieldtrip@donders.ru.nl">fieldtrip@donders.ru.nl</a><br></blockquote><blockquote type="cite"><a href="http://mailman.science.ru.nl/mailman/listinfo/fieldtrip">http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br></blockquote><br><br>_______________________________________________<br>fieldtrip mailing list<br><a href="mailto:fieldtrip@donders.ru.nl">fieldtrip@donders.ru.nl</a><br><a href="http://mailman.science.ru.nl/mailman/listinfo/fieldtrip">http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a></div></blockquote></div><br><div>
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font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Jan-Mathijs Schoffelen, MD PhD </div><div><br></div><div>Donders Institute for Brain, Cognition and Behaviour, <br>Centre for Cognitive Neuroimaging,<br>Radboud University Nijmegen, The Netherlands</div><div><br></div><div>Max Planck Institute for Psycholinguistics,</div><div>Nijmegen, The Netherlands</div><div><br></div><div><a href="mailto:J.Schoffelen@donders.ru.nl">J.Schoffelen@donders.ru.nl</a></div><div>Telephone: +31-24-3614793</div><div><br></div><div><a href="http://www.hettaligebrein.nl">http://www.hettaligebrein.nl</a></div></div></span></div></span></div></span></div></span></div></span></div></span></div></span></div></span></span>
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