<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Jianrong,<div><br></div><div>you cannot plot t-stat map from the GUI. However, if you have a STUDY, you can always recompute the statistics and plot them from the command line. Something like</div><div><br></div><div>[STUDY erpdata erptime] = std_erpplot(STUDY,ALLEEG,'channels',{alllocs.labels});<br>[T df pvals]=statcond(erpdata);</div><div>figure; plot(T);</div><div><br></div><div>(this assumes that you have a STUDY loaded in memory).</div><div>Best,</div><div><br></div><div>Arno</div><div><br><div><div>On Aug 22, 2012, at 11:16 AM, Stephen Politzer-Ahles wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=utf-8">Hello Jianrong,<br><br>The Sum/Compare ERPs dialog (underneath the Plot menu; or pop_comperp() from the command line) can do this with waveforms. It plots waveforms of all the channels on a scalp array, and marks the times on each channel where <i>t</i> is significant.<br>
<br>I don't know if EEGLAB has a tool to show t-statistics on a topoplot. But you can do this fairly easily by using basic MATLAB commands on the ERPs (from EEG.data), to get a CHANNELSxSAMPLES array of t-statistics, and then give those t statistics (rather than ERP data) to the topoplot() command.<br>
<br>Best,<br>Steve Politzer-Ahles<br><br><div class="gmail_quote">On Wed, Aug 22, 2012 at 6:09 AM, JianrongJia <span dir="ltr"><<a href="mailto:jianrongjia@hotmail.com" target="_blank">jianrongjia@hotmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Hi <br><br>Is eeglab able to calculate t-score between conditions across subjects? and draw t-statistic map?<br>Is there any plugin or toolbox can do this?<br><br>Sincerely<br><br>Jianrong<br> </div>
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