<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Jaewon,<div class=""><br class=""></div><div class="">are "<font size="2" class="">HH_timelock, HN_timelock, LH_timelock, LN_timelock“ your data structures containing the single participants?</font></div><div class=""><font size="2" class="">Have you tried adding {:} after the structures (e.g., </font><span style="font-size: 13.3333px;" class="">HH_timelock</span><span style="font-size: small;" class="">{:}</span><span style="font-size: 13.3333px;" class="">, HN_timelock</span><span style="font-size: small;" class="">{:}</span><span style="font-size: 13.3333px;" class="">, LH_timelock</span><span style="font-size: small;" class="">{:}</span><span style="font-size: 13.3333px;" class="">, LN_timelock</span><span style="font-size: small;" class="">{:})?</span></div><div class=""><span style="font-size: small;" class="">Are the same numbers of participants in all structures?</span></div><div class=""><span style="font-size: small;" class=""><br class=""></span></div><div class=""><span style="font-size: small;" class="">Good luck,</span></div><div class=""><span style="font-size: small;" class=""><br class=""></span></div><div class=""><span style="font-size: small;" class="">Julian</span></div><div class=""><span style="font-size: small;" class=""><br class=""></span></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">Am 24.06.2022 um 09:33 schrieb 오재원 via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl" class="">fieldtrip@science.ru.nl</a>>:</div><br class="Apple-interchange-newline"><div class=""><p style="border:0; padding:0; margin:0; font-family:'굴림'; font-size:10pt; cursor: text;" class=""></p><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><br class=""></div><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class="">Hello,</div><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><br class=""></div><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class="">I was trying cluster-based permutation using ft_timlockstatistics, but I got an error regarding design matrix.</div><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class="">The code I used is as following:</div><div style="font-family: 굴림; font-size: 10pt; border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><br class=""></div><p style="font-family: 굴림; font-size: 10pt; line-height: 1.5; margin-bottom: 0px; margin-top: 0px;" class=""></p><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">%% Permutation test</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">[ftver, ftpath] = ft_version;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cd(fullfile(ftpath, 'template', 'electrode'));</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">elec = ft_read_sens('standard_1020.elc');</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">% there are some of which the orientation cannot be determined (T3, T4, T5, T6)</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">ft_plot_sens(elec, 'label', 'yes', 'elecshape', 'disc', 'elecsize', 10, 'facecolor', [0.8 0.8 1.0])</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">% give it a stronger 3D appearance</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">camlight headlight</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg = [];</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.elec = elec;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.channel = {'Fp1', 'Fpz', 'Fp2', 'F7', 'F3', 'Fz', 'F4', 'F8', 'T7', 'C3', 'Cz', 'C4', 'T8', 'P7', 'P3', 'Pz', 'P4', 'P8', 'O1', 'Oz', 'O2'};</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.method = 'distance';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.feedback = 'yes';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.neighbourdist = 100;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">neighbours = ft_prepare_neighbours(cfg);</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">design = [1:nSubjs 1:nSubjs 1:nSubjs 1:nSubjs; ones(1,nSubjs) ones(1,nSubjs)*2 ones(1,nSubjs)*3 ones(1,nSubjs)*4];</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg = [];</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.channel = {'EEG'};</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.latency = [0 0.6];</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.method = 'ft_statistics_montecarlo';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.clusterthreshold = 'nonparametric_common';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.neighbours = neighbours;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.statistic = 'ft_statfun_depsamplesFmultivariate';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.correctm = 'cluster';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.clusteralpha = 0.05;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.clusterstatistic = 'maxsum';</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.minnbchan = 2;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.tail = 0;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.clustertail = 0;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.alpha = 0.025;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.numrandomization = 500;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.design = design;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.uvar = 1;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">cfg.ivar = 2;</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><br class=""></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">%% permutation test statistical analysis</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><span style="font-size: 13.3333px;" class="">[stat] = ft_timelockstatistics(cfg, HH_timelock, HN_timelock, LH_timelock, LN_timelock);</span></div><div style="border: 0px; padding: 0px; margin: 0px; cursor: text;" class=""><br class=""></div></blockquote></blockquote>And the error message :<div class=""><br class="webkit-block-placeholder"></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="line-height: 1.5; margin-bottom: 0px; margin-top: 0px;" class=""><span style="font-size: 13.3333px;" class=""> ft_timelockstatistics (172번 라인)</span></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div style="line-height: 1.5; margin-bottom: 0px; margin-top: 0px;" class=""><span style="font-size: 13.3333px;" class="">the length of the design matrix (2) does not match the number of observations in the data (4)</span></div><div style="line-height: 1.5; margin-bottom: 0px; margin-top: 0px;" class=""><br class=""></div></blockquote></blockquote><span style="font-size: 13.3333px;" class="">I could not find any problem in my code and I followed the way the fieldtrip tutorial instructed. I have four conditions and I put four repetitions of 1:nSubjs in the unit variable (cfg.uvar) and nSubjs number of ones, twos, threes, and fours each in the independent variable (cfg.ivar). It would be so grateful if you can tell me how to solve this problem. Best, Jaewon</span><div class=""><br class="webkit-block-placeholder"></div>
<img src="https://mail.snu.ac.kr/checkread/MTU4NDQ3NTI0Mg==/ZmllbGR0cmlwQHNjaWVuY2UucnUubmw=/" width="1px" height="1px" class="">_______________________________________________<br class="">fieldtrip mailing list<br class=""><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip" class="">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br class="">https://doi.org/10.1371/journal.pcbi.1002202<br class=""></div></blockquote></div><br class=""></div></body></html>