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<div class="moz-cite-prefix">Hi Johannes,<br>
</div>
<blockquote
cite="mid:mailman.0.1350414002.24389.eeglablist@sccn.ucsd.edu"
type="cite">
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:
10.0pt;font-family:Tahoma;color:black">Dear All,<o:p></o:p></span></font></p>
</div>
<div>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:
10.0pt;font-family:Tahoma;color:black">i created a simple
design matrix for 1st
level analysis in LIMO.<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:
10.0pt;font-family:Tahoma;color:black"> I have 345 erp
trials created with
BrainVision-Analyzer and transformed to eeglabs set-format
with <o:p></o:p></span></font></p>
</div>
<div>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:
10.0pt;font-family:Tahoma;color:black">3 different
marker (260 trials with
marker 1 , 44 trials with marker 2 and 41 trials with
marker 3) </span></font><font color="navy" face="Tahoma"
size="2"><span style="font-size:10.0pt;font-family:Tahoma;
color:navy"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB">wich are given in a
categorical_variable.txt file for LIMO (1 marker per line</span></font><font
color="navy" face="Tahoma" size="2"><span
style="font-size:10.0pt;
font-family:Tahoma;color:navy" lang="EN-GB">, 345 lines</span></font><font
color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:
Tahoma;color:black" lang="EN-GB">) and corresponding to
the trial-order of the set-data.<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB"> When i import set-data
and categorical_variable.txt, LIMO gives me a design
looking different than i
expect (see </span></font><font color="navy" face="Arial"
size="2"><span
style="font-size:10.0pt;font-family:Arial;color:navy"
lang="EN-GB"><a class="moz-txt-link-abbreviated" href="http://www.altis-verlag.de/limo_design.JPG">www.altis-verlag.de/limo_design.JPG</a></span></font><font
color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;
font-family:Tahoma;color:black" lang="EN-GB">)</span></font><font
color="navy" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;
color:navy" lang="EN-GB">:</span></font></p>
</div>
</blockquote>
the design matrix looks ok to me - 1st column as 260 trials (white
bit), then 2nd and 3rd colum with 44 and 41 trials<br>
<blockquote
cite="mid:mailman.0.1350414002.24389.eeglablist@sccn.ucsd.edu"
type="cite">
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB"> </span></font><font color="navy"
face="Tahoma" size="2"><span style="font-size:10.0pt;
font-family:Tahoma;color:navy" lang="EN-GB"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB">There are about 90
trials for regressor 1, about 300 trials for regressor 2
and about 300 for
regressor 3.</span></font></p>
</div>
</blockquote>
you are 'reading' it the wrong way about - white = 1 black = 0 ; so
it's all good<br>
<blockquote
cite="mid:mailman.0.1350414002.24389.eeglablist@sccn.ucsd.edu"
type="cite">
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:10.0pt;font-family:Tahoma;color:black"
lang="EN-GB"> </span></font></p>
</div>
<div>
<p class="MsoNormal"><font color="black" face="Tahoma" size="2"><span
style="font-size:
10.0pt;font-family:Tahoma;color:black">Also the ERP plot
(ERP options: Original) in LIMO seems quiet different from
the ERP
plot in BrainVisions Analyzer.</span></font></p>
</div>
</blockquote>
<font size="2">this should simply plot the average of your condition
but minus the grand mean across all 3 conditions - since this is
what you are actually testing<br>
you can check by typing 'all' when you select which condition to
plot<br>
<br>
cyril<br>
<br>
<br>
</font>
<pre class="moz-signature" cols="72">--
Dr Cyril Pernet,
Academic Fellow
Brain Research Imaging Center
<a class="moz-txt-link-freetext" href="http://www.bric.ed.ac.uk/">http://www.bric.ed.ac.uk/</a>
Division of Clinical Neurosciences
University of Edinburgh
Western General Hospital
Crewe Road
Edinburgh
EH4 2XU
Scotland, UK
<a class="moz-txt-link-abbreviated" href="mailto:cyril.pernet@ed.ac.uk">cyril.pernet@ed.ac.uk</a>
tel: +44(0)1315373661
<a class="moz-txt-link-freetext" href="http://www.sbirc.ed.ac.uk/LCL/">http://www.sbirc.ed.ac.uk/LCL/</a>
<a class="moz-txt-link-freetext" href="http://www.sbirc.ed.ac.uk/cyril">http://www.sbirc.ed.ac.uk/cyril</a>
</pre>
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