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Hi Zhen,</div>
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I've encountered a similar error before. Does it help if you add this line to your cfg?<br>
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<i>cfg.spmversion = 'spm12';</i></div>
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Best,</div>
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Tom<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> fieldtrip <fieldtrip-bounces@science.ru.nl> on behalf of Zhen Ni <nzhen340@gmail.com><br>
<b>Sent:</b> 08 June 2020 21:30<br>
<b>To:</b> fieldtrip@science.ru.nl <fieldtrip@science.ru.nl><br>
<b>Subject:</b> [FieldTrip] Permutation test</font>
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<div dir="ltr">Hello,
<div>My name is Zhen Ni. I'm a senior research fellow working at the National Institutes of Health.</div>
<div>I'm using FieldTrip (version 20200423) to perform a cluster-based permutation test. My script is largely based on the example you showed on the FieldTrip webpage. The script stopped after a while with a technical problem. I copied the error message below.</div>
<div>I also tried following your instruction and used the dataset you uploaded on the webpage. The same error message comes out. I wonder if you may take a look at my codes and help me out.</div>
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<div>Many thanks.</div>
<div>Zhen</div>
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<div>Invalid MEX-file '/Users/nz/Documents/MATLAB/external/spm8/spm_bwlabel.mexmaci64':</div>
<div>dlopen(/Users/nz/Documents/MATLAB/external/spm8/spm_bwlabel.mexmaci64, 6): Library</div>
<div>not loaded: @loader_path/libmex.dylib</div>
<div> Referenced from: /Users/nz/Documents/MATLAB/external/spm8/spm_bwlabel.mexmaci64</div>
<div> Reason: image not found</div>
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<div>Error in findcluster (line 87)</div>
<div> [labelmat(spatdimlev, :, :), num] = spm_bwlabel(double(reshape(onoff(spatdimlev,</div>
<div> :, :), nfreq, ntime)), 6); % the previous code contained a '4' for input</div>
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<div>Error in clusterstat (line 202)</div>
<div> posclusobs = findcluster(reshape(postailobs,</div>
<div> [cfg.dim,1]),channeighbstructmat,cfg.minnbchan);</div>
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<div>Error in ft_statistics_montecarlo (line 353)</div>
<div> [stat, cfg] = clusterstat(cfg, statrand, statobs);</div>
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<div>Error in ft_timelockstatistics (line 184)</div>
<div> [stat, cfg] = statmethod(cfg, dat, design);</div>
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