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<p class="MsoNormal"><span style="font-family:Helvetica">Sorry about not being specific in my message!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">I got this error message when visualizing my original data after using ft_rejectcomponent, but not before ft_rejectcomponent:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">"Error using ft_fetch_data (line 168)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">some of the requested samples occur twice in the data and have conflicting values"</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">The version of the code that gives me problem:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:#028009">%% ICA<span class="apple-converted-space"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Decomposition of EEG data</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg<span class="apple-converted-space"> </span>=
[];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.resamplefs = 150;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.detrend<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'no'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">data<span class="apple-converted-space"> </span>=
ft_resampledata(cfg, data_all);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg<span class="apple-converted-space"> </span>= [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.method =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'runica'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
this is the default and uses the implementation from EEGLAB</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">comp = ft_componentanalysis(cfg, data);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Identify components reflecting eye artifacts</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% plot the components for visual inspection</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">figure</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg = [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.component = 1:20;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% specify the component(s) that should be plotted</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">=</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.comment<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'no'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">ft_topoplotIC(cfg, comp)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Removing bad artifacts and backprojecting data</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg = [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.component = [1 2];<span class="apple-converted-space"> </span></span><span class="s4"><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
e.g. to be removed component(s)</span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:black">data_all = ft_rejectcomponent(cfg, comp, data_all);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Display data (this is where the error message occurs)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg = [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.viewmode =<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'vertical'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">ft_databrowser(cfg, data_all);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">The version that does not give me problem:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:#028009">%% ICA<span class="apple-converted-space"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Decomposition of EEG data</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg<span class="apple-converted-space"> </span>=
[];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.resamplefs = 150;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.detrend<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'no'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">data<span class="apple-converted-space"> </span>=
ft_resampledata(cfg, data_all);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg<span class="apple-converted-space"> </span>= [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.method =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'runica'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
this is the default and uses the implementation from EEGLAB</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">comp = ft_componentanalysis(cfg, data);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Identify components reflecting eye artifacts</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% plot the components for visual inspection</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">figure</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg = [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.component = 1:20;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% specify the component(s) that should be plotted</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">=</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.comment<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'no'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">ft_topoplotIC(cfg, comp)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:.25in"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Display data (this is where the error message occurs)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg = [];</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">cfg.viewmode =<span class="apple-converted-space"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'vertical'</span></span><span style="font-size:7.5pt;font-family:Courier;color:black">;</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:black"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:black">ft_databrowser(cfg, data_all);</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">I think </span><span style="font-family:Helvetica;color:black">the segmentation/trial length is alright, but something went wrong in the ft_rejectcomponent step specifically, but I'm not sure.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">Thank you for your help!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">Anqi</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">fieldtrip <fieldtrip-bounces@science.ru.nl> on behalf of "Schoffelen, J.M. (Jan Mathijs) via fieldtrip" <fieldtrip@science.ru.nl><br>
<b>Reply-To: </b>FieldTrip discussion list <fieldtrip@science.ru.nl><br>
<b>Date: </b>Monday, March 28, 2022 at 6:06 PM<br>
<b>To: </b>FieldTrip discussion list <fieldtrip@science.ru.nl><br>
<b>Cc: </b>"Schoffelen, J.M. (Jan Mathijs)" <janmathijs.schoffelen@donders.ru.nl><br>
<b>Subject: </b>Re: [FieldTrip] ICA - problem with ft_rejectcomponent<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Anqi, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">in order for the readership of this list to be able to help you solve your problem, it might be useful if you provide us at least with the following information:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- the error message(s) you get.<o:p></o:p></p>
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<p class="MsoNormal">- which version of the code is giving you problems.<o:p></o:p></p>
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<p class="MsoNormal">- which version of the code does not give you problems.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best wishes,<o:p></o:p></p>
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<p class="MsoNormal">Jan-Mathijs<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><br>
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<o:p></o:p></p>
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<p class="MsoNormal">On 27 Mar 2022, at 23:38, Lei, A. (Anqi) via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica">Hello,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica">I'm new to Fieldtrip and I encountered a problem in ICA – after rejecting bad components with ft_rejectcomponent I noticed my data can't be plotted by databrowser anymore, but before this step it can
be visualized just fine. This is how I am perform ICA – is there something wrong in the ft_rejectcomponent part? Thank you for your help!</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%% ICA<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% perform the independent component analysis (i.e., decompose
the data), downsampling first<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg<span class="apple-converted-space"> </span>= [];<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg.resamplefs = 150;<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg.detrend<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span><span class="s2"><span style="color:#AA04F9">'no'</span></span>;<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">data<span class="apple-converted-space"> </span>= ft_resampledata(cfg, data_all);<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg<span class="apple-converted-space"> </span>= [];<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.method =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'runica'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
this is the default and uses the implementation from EEGLAB<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">comp = ft_componentanalysis(cfg, data);<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Identify components reflecting eye artifacts<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% plot the components for visual inspection<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">figure<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg = [];<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.component = 1:20;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">% specify the component(s) that should be plotted<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009">
</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">=</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg.comment<span class="apple-converted-space"> </span>=<span class="apple-converted-space"> </span><span class="s2"><span style="color:#AA04F9">'no'</span></span>;<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">ft_topoplotIC(cfg, comp)<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Further inspection of time course of component<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg = [];<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.layout =</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s2"><span style="font-size:7.5pt;font-family:Courier;color:#AA04F9">'acticap-64ch-standard2_XZ.mat'</span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
specify the layout file that should be used for plotting<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg.viewmode =<span class="apple-converted-space"> </span><span class="s2"><span style="color:#AA04F9">'component'</span></span>;<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">ft_databrowser(cfg, comp)<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%Removing bad artifacts and backprojecting data<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">cfg = [];<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span class="s1"><span style="font-size:7.5pt;font-family:Courier;color:#028009">cfg.component = 1;</span></span><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier;color:#028009"> </span></span><span style="font-size:7.5pt;font-family:Courier;color:#028009">%
to be removed component(s)<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="apple-converted-space"><span style="font-size:7.5pt;font-family:Courier"> </span></span><span style="font-size:7.5pt;font-family:Courier">data_all = ft_rejectcomponent(cfg, comp, data_all);<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Helvetica"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica">Best,<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:Helvetica">Anqi</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:Helvetica">_______________________________________________<br>
fieldtrip mailing list<br>
</span><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style="font-size:10.5pt;font-family:Helvetica">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a><span style="font-size:10.5pt;font-family:Helvetica"><br>
</span><a href="https://urldefense.com/v3/__https:/doi.org/10.1371/journal.pcbi.1002202__;!!HJOPV4FYYWzcc1jazlU!9pPZAj-orxSMLThTWLYj_EoBsS-_sfR6omH4Ea-iYCjE-hYVG6WkOfFdstgOBILrmb4OxZ1HYfCgpHispeJkrWvRJA3pRgxyOntpbA$"><span style="font-size:10.5pt;font-family:Helvetica">https://urldefense.com/v3/__https://doi.org/10.1371/journal.pcbi.1002202__;!!HJOPV4FYYWzcc1jazlU!9pPZAj-orxSMLThTWLYj_EoBsS-_sfR6omH4Ea-iYCjE-hYVG6WkOfFdstgOBILrmb4OxZ1HYfCgpHispeJkrWvRJA3pRgxyOntpbA$</span></a><o:p></o:p></p>
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