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Hi community</div>
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I have tried to follow the tutorial "cluster-based permutation test on event-related fields": </div>
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However, I am encountering an issue with the topography figure</div>
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As shown in the attached picture, the highlighted marker does not seem to be in the correct location. It appears misaligned with the area of the most intense color.</div>
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<b><img id="image_0" size="196448" contenttype="image/png" style="height: auto; max-width: 659px; min-width: auto; min-height: auto; margin: 0px; vertical-align: top;" data-outlook-trace="F:2|T:2" src="cid:93e131cd-e784-4fd2-a3d2-9527c69e467f"></b></div>
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I am just wondering if anyone have any clues? Thanks</div>
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Here is my code:</div>
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figure;</div>
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% define parameters for plotting</div>
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timestep = 0.01; %(in seconds)</div>
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sampling_rate = 300; %% double check this: preprocessing file</div>
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sample_count = length(stat.time);</div>
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j = [0.05:timestep:0.25]; % Temporal endpoints (in seconds) of the ERP average computed in each subplot</div>
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m = [1:timestep*sampling_rate:sample_count]; % temporal endpoints in M/EEG samples</div>
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% get relevant values</div>
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pos_cluster_pvals = [stat.posclusters(:).prob];</div>
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pos_clust = find(pos_cluster_pvals < 0.025);</div>
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pos = ismember(stat.posclusterslabelmat, pos_clust);</div>
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% First ensure the channels to have the same order in the average and in the statistical output.</div>
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% This might not be the case, because ft_math might shuffle the order</div>
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[i1,i2] = match_str(GA_FacevsNoise.label, stat.label);</div>
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% plot</div>
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for k = 1:20;</div>
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cfg.figure = subplot(4,5,k);</div>
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cfg.xlim = [j(k) j(k+1)];</div>
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cfg.zlim = [-5e-14 5e-14];</div>
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pos_int = zeros(numel(GA_FacevsNoise.label),1);</div>
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pos_int(i1) = all(pos(i2, m(k):m(k+1)), 2); % change i2 i1, try11111111111111111</div>
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cfg.highlight = 'on';</div>
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cfg.highlightchannel = find(pos_int);</div>
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cfg.comment = 'xlim';</div>
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cfg.commentpos = 'title';</div>
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cfg.layout = 'CTF275_helmet.mat';</div>
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cfg.figure = 'gca';</div>
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ft_topoplotER(cfg, GA_FacevsNoise);</div>
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end</div>
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<span><img id="image_0" size="552454" contenttype="image/png" style="height: auto; max-width: 659px; min-width: auto; min-height: auto; vertical-align: top;" data-outlook-trace="F:2|T:2" src="cid:f4d067c8-558f-441b-aba2-8afae83e9356"></span></div>
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Kind regards</div>
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NC</div>
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