<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Matt,<div><br></div><div>In general, when dealing with time-frequency data, it is advisable to use ft_singleplotTFR, rather than ft_singleplotER. This will show the data both as a function of time and frequency. Interesting that ft_singleplotER works in the first place. If you want to visualize coherence as a function of frequency (i.e. collapsing across time) you can easily do this 'by hand':</div><div><br></div><div>C = mean(fd.cohspctrm,3);</div><div>figure;plot(fd.freq, C);</div><div><br></div><div>Alternatively, you could use 'mtmfft' as a method for your spectral estimation, which yields frequency domain info without a time dimension. </div><div>Once you have this, you can use ft_singleplotER (now it is ER confusingly) to visualize the data.</div><div><br></div><div>Best,</div><div>Jan-Mathijs</div><div><br><div><div>On Nov 7, 2013, at 8:38 PM, <a href="mailto:mattmizumi@gmail.com">mattmizumi@gmail.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>A simple newbie question about ft_singleplotER: given a coherence spectrum, as follows,<br><br>fd =<br><br> labelcmb: {'vStr1' 'vStr2'}<br> dimord: 'chan_freq_time'<br> cohspctrm: [1x100x101 double]<br> freq: [1x100 double]<br> time: [1x101 double]<br> dof: [1x100 double]<br> cfg: [1x1 struct]<br><br>how can I plot frequency against coherence? The default behavior of ft_singleplotER in this case is to average over frequency:<br><br>cfg = [];<br>cfg.parameter = 'cohspctrm';<br>cfg.refchannel = 'vStr2';<br>cfg.channel = 'vStr1';<br>ft_singleplotER(cfg, fd);<br><br>selected 1 channels for cohspctrm<br>selection cohspctrm along dimension 2<br>averaging cohspctrm over freq<br>the call to "ft_singleplotER" took 0 seconds<br><br>..but I cannot find a way to get it to average over time instead. How can I do this?<br><br>(Of course, I know I can plot this manually. But I would like to understand how to use the ft plotting functions. I can't find anything pertinent in the coherence and plotting tutorials, or the help for ft_singleplotER.)<br><br>Thanks!<br><br>-- Matt<br>_______________________________________________<br>fieldtrip mailing list<br><a href="mailto:fieldtrip@donders.ru.nl">fieldtrip@donders.ru.nl</a><br>http://mailman.science.ru.nl/mailman/listinfo/fieldtrip<br></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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