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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So, I have one question here:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If you normalize the data using zscore , then at each time point the topography of original data and normalized one will be different since for topo map the voltage of adjacent electrodes are also important? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Could you please clarify more …<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Iman<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Iman M.Rezazadeh, PhD<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Postdoctoral Research Fellow<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Center for Mind and Brain<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>University of California, Davis<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="mailto:irezazadeh@ucdavis.edu"><span style='color:blue'>irezazadeh@ucdavis.edu</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Cell:310-490-1808<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Skype: Imanmr<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> eeglablist-bounces@sccn.ucsd.edu [mailto:eeglablist-bounces@sccn.ucsd.edu] <b>On Behalf Of </b>Edward Justin Modestino<br><b>Sent:</b> Tuesday, November 06, 2012 6:50 AM<br><b>To:</b> Tim Mullen<br><b>Cc:</b> EEGLAB List<br><b>Subject:</b> Re: [Eeglablist] How to save the normalized data that we see in scroll data display?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Yes, this code works:<br><b>normdata = zscore(EEG.data,0,2);<br>EEG.data = normdata;</b><o:p></o:p></p><div><p class=MsoNormal>On Mon, Nov 5, 2012 at 9:07 PM, Tim Mullen <<a href="mailto:mullen.tim@gmail.com" target="_blank">mullen.tim@gmail.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>As I posted earlier, <span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>it's simple to compute:</span><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>normdata = zscore(EEG.data,0,2);<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>No need to reshape, etc. This will normalize each channel and each epoch independently.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Tim<o:p></o:p></span></p></div></div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Fri, Nov 2, 2012 at 11:23 AM, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Dear Edward,<br><br>> Error: Expression or statement is incorrect--possibly unbalanced (, {, or [.<br><br>Oops. The line must be<o:p></o:p></p><div><p class=MsoNormal><br>tmp = reshape(EEG.data, [size(EEG.data, 1) size(EEG.data, 2) *<o:p></o:p></p></div><p class=MsoNormal>size(EEG.data, 3) ]);<br><br>The last parenthesis was missing.<br>By the way I learned a shortcut for it yesterday, and<br><br>tmp = EEG.data(:,:);<br><br>should also work.<br><br>Makoto<br><br><br>2012/11/2 Edward Justin Modestino <<a href="mailto:edward.modestino@gmail.com" target="_blank">edward.modestino@gmail.com</a>>:<br>> Makoto,<br>> I need to be able to get this working as well. I tried it and got the<br>> following error.<o:p></o:p></p><div><p class=MsoNormal>><br>><br>>>> tmp = reshape(EEG.data, [size(EEG.data, 1) size(EEG.data, 2) *<br>> size(EEG.data, 3) ];<br>> tmp = zscore(tmp, 0, 2);<br>> tmp = reshape(tmp, size(EEG.data));<br>> EEG.data = tmp;<o:p></o:p></p></div><p class=MsoNormal>> ??? tmp = reshape(EEG.data, [size(EEG.data, 1) size(EEG.data, 2) *<br>> |<br>> Error: Expression or statement is incorrect--possibly unbalanced (, {, or [.<o:p></o:p></p><div><div><p class=MsoNormal>><br>><br>> On Thu, Nov 1, 2012 at 1:21 PM, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>><br>> wrote:<br>>><br>>> Dear nabaraj,<br>>><br>>> Check out the function zscore.<br>>> If your data are epoched, then the code should be something like<br>>><br>>> tmp = reshape(EEG.data, [size(EEG.data, 1) size(EEG.data, 2) *<br>>> size(EEG.data, 3) ];<br>>> tmp = zscore(tmp, 0, 2);<br>>> tmp = reshape(tmp, size(EEG.data));<br>>> EEG.data = tmp;<br>>><br>>> This should normalizes each channel.<br>>><br>>> Makoto<br>>><br>>> 2012/10/29 nabaraj dahal <<a href="mailto:nabarajdahal@gmail.com" target="_blank">nabarajdahal@gmail.com</a>>:<br>>> > Dear list member,<br>>> > I wish to save the normalized data of all channels for further<br>>> > processing.<br>>> > Is there any way I can save the normalized data of all channels that we<br>>> > see<br>>> > in scroll data display?<br>>> > I would be grateful for you help.<br>>> ><br>>> > Best Regards,<br>>> > Nab<br>>> ><br>>> > _______________________________________________<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<br>>> > <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<br>>> > <a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a><br>>><br>>><br>>><br>>> --<br>>> Makoto Miyakoshi<br>>> JSPS Postdoctral Fellow for Research Abroad<br>>> Swartz Center for Computational Neuroscience<br>>> Institute for Neural Computation, University of California San Diego<br>>> _______________________________________________<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<br>>> <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<br>>> <a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a><br>><br>><br>><br><br><br>--<br>Makoto Miyakoshi<br>JSPS Postdoctral Fellow for Research Abroad<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br>_______________________________________________<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><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><br><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p></div></div><p class=MsoNormal>--------- αντίληψη -----------<o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br clear=all><br>-- <br>Edward Justin Modestino, Ph.D.<br>Neuroscientist/Faculty<br>Atlantic University<o:p></o:p></p></div></body></html>