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<p class="MsoNormal"><span style="font-family:Helvetica">Hello,<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 was performing ICA on my EEG data and the script was running smoothly until I rejected bad components using 'ft_rejectcomponent' – after that I couldn't visualize my data using databrowser and got this
error: <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">"Error using ft_fetch_data (line 168)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">some of the requested samples occur twice in the data and have conflicting values"<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">This is the script I used for ICA, could you let me know what might be wrong? Thank you so much!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="p1" style="text-indent:.25in">%% ICA<span class="apple-converted-space"><span style="color:black">
<o:p></o:p></span></span></p>
<p class="p1" style="text-indent:.25in">%Decomposition of EEG data<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg<span class="apple-converted-space">
</span>= [];<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg.resamplefs = 150;<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg.detrend<span class="apple-converted-space">
</span>= <span class="s2">'no'</span>;<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>data <span class="apple-converted-space">
</span>= ft_resampledata(cfg, data_all);<o:p></o:p></p>
<p class="p3"><span class="apple-converted-space"> </span><o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg<span class="apple-converted-space">
</span>= [];<o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span><span class="s1">cfg.method = </span><span class="s2">'runica'</span><span class="s1">;
</span>% this is the default and uses the implementation from EEGLAB<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>comp = ft_componentanalysis(cfg, data);<o:p></o:p></p>
<p class="p3"><span class="apple-converted-space"> <o:p></o:p></span></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span>%Identify components reflecting eye artifacts<o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span>% plot the components for visual inspection<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>figure<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg = [];<o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span><span class="s1">cfg.component = 1:20; </span><span class="apple-converted-space"><span style="color:black">
</span></span>% specify the component(s) that should be plotted<o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span><span class="s1">cfg.layout</span><span class="apple-converted-space"><span style="color:black">
</span></span><span class="s1">= </span><span class="s2">'acticap-64ch-standard2_XZ.mat'</span><span class="s1">;
</span>% specify the layout file that should be used for plotting<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg.comment <span class="apple-converted-space">
</span>= <span class="s2">'no'</span>;<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>ft_topoplotIC(cfg, comp)<o:p></o:p></p>
<p class="p3"><span class="apple-converted-space"> </span><o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span>%Removing bad artifacts and backprojecting data<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg = [];<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg.component = [1 2];
<span class="s4">% e.g. to be removed component(s)</span><o:p></o:p></p>
<p class="p2" style="text-indent:.25in">data_all = ft_rejectcomponent(cfg, comp, data_all);<o:p></o:p></p>
<p class="p2" style="text-indent:.25in"><o:p> </o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span>%Display data (this is where the error message occurs)<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg = [];<o:p></o:p></p>
<p class="p1"><span class="apple-converted-space"><span style="color:black"> </span>
</span><span class="s1">cfg.layout = </span><span class="s2">'acticap-64ch-standard2_XZ.mat'</span><span class="s1">;
</span>% specify the layout file that should be used for plotting<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>cfg.viewmode = <span class="s2">
'vertical'</span>;<o:p></o:p></p>
<p class="p2"><span class="apple-converted-space"> </span>ft_databrowser(cfg, data_all);<o:p></o:p></p>
<p class="p3"><span class="apple-converted-space"> </span><o:p></o:p></p>
<p class="p3"><span class="apple-converted-space"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Helvetica">Anqi<o:p></o:p></span></p>
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