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<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hi Jan-Mathijs,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">I reinstalled fieldtrip and the algorithm seems to be working!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Thank you very much for all your help.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">All the best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">George<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">Από: </span></b><span style="font-size:12.0pt;color:black">fieldtrip <fieldtrip-bounces@science.ru.nl> για λογαριασμό του "Schoffelen, J.M. (Jan Mathijs)" <jan.schoffelen@donders.ru.nl><br>
<b>Απάντηση σε: </b>FieldTrip discussion list <fieldtrip@science.ru.nl><br>
<b>Ημερομηνία: </b>Παρασκευή, 11 Σεπτεμβρίου 2020 - 17:11<br>
<b>Προς: </b>FieldTrip discussion list <fieldtrip@science.ru.nl><br>
<b>Θέμα: </b>Re: [FieldTrip] Technical issue with cluster based selection of electrodes (ft_freqstatistics)<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">my line 79 in ft_freqstatistics (i.e. the one that is reported in your error stack) reads: <span class="pl-smi"><span style="font-size:9.0pt;font-family:Consolas;color:#24292E">ft_preamble</span></span><span style="font-size:9.0pt;font-family:Consolas;color:#032F62;background:white">
loadvar varargin </span>not ft_preamble help. <o:p></o:p></p>
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<p class="MsoNormal">Have you by accident edited this file? Please fix it, and try to run it again.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">JM<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On 11 Sep 2020, at 16:51, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk">georgios.tertikas@kcl.ac.uk</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 lang="EN-US">Hi Jan-Mathijs,</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Thank you once again for your fast response.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">I have actually called it as such</span><span class="apple-converted-space"><span lang="EN-US" style="font-size:7.5pt"> </span></span><span lang="EN-US" style="font-size:7.5pt"> (</span><span style="font-size:7.5pt;font-family:Courier">[stat]
= ft_freqstatistics(cfg,CA_11_TFR{:} ,CA_12_TFR{:})<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">But then I receive this error message:</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Error using nargin</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">You can only call nargin/nargout from within a MATLAB function.</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Error in ft_preamble_help (line 26)</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">if nargin==0</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Error in ft_preamble (line 54)</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> evalin('caller', ['ft_preamble_' cmd]);</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Error in ft_freqstatistics (line 79)</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">ft_preamble help</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Error in Grand_average_Cluster_based_electrode_selection (line 268)</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">[stat] = ft_freqstatistics(cfg,CA_11_TFR{:} ,CA_12_TFR{:})</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">From my understanding this might be related to a mismatch between the number of inputs and the number of outputs. After reading through the specifics of ft_freqstatistics it seems I need to have a single variable or is
that not the case?</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Thank you once again for all your help,</span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-size:7.5pt;font-family:Courier"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">George</span><span style="font-size:7.5pt;font-family:Courier"><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"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt">Από:<span class="apple-converted-space"> </span></span></b><span style="font-size:12.0pt">fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>> για λογαριασμό
του "Schoffelen, J.M. (Jan Mathijs)" <<a href="mailto:jan.schoffelen@donders.ru.nl">jan.schoffelen@donders.ru.nl</a>><br>
<b>Απάντηση σε:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br>
<b>Ημερομηνία:<span class="apple-converted-space"> </span></b>Παρασκευή, 11 Σεπτεμβρίου 2020 - 15:25<br>
<b>Προς:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br>
<b>Θέμα:<span class="apple-converted-space"> </span></b>Re: [FieldTrip] Technical issue with cluster based selection of electrodes (ft_freqstatistics)</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">That depends on with what syntax you called ft_freqstatistics: if your data argument is an 1XN cell-array of data structures you need to call it like ft_freqstatistics(cfg, data1{:}, data2{:}), i.e. with the explicit bracket expansion.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On 11 Sep 2020, at 15:01, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk">georgios.tertikas@kcl.ac.uk</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 lang="EN-US">Hi Jan-Mathijs,</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Thank you very much for your fast reply and your input. I apologize for the format of the data, I will keep in mind your advice for the future.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Unfortunately I tried to put non-grand averaged input ( cell {12,1} containing one structure of TFR data from each participant) and the input I got was:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">Error using ft_checkdata (line 529)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">This function requires freq data as input, see ft_datatype_freq.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">Error in ft_freqstatistics (line 97)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> varargin{i} = ft_checkdata(varargin{i}, 'datatype', 'freq', 'feedback', 'no');</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Would you happen to know an alternative?</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Thank you once again,</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">George</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt">Από:<span class="apple-converted-space"> </span></span></b><span style="font-size:12.0pt">fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>> για λογαριασμό
του "Schoffelen, J.M. (Jan Mathijs)" <<a href="mailto:jan.schoffelen@donders.ru.nl">jan.schoffelen@donders.ru.nl</a>><br>
<b>Απάντηση σε:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br>
<b>Ημερομηνία:<span class="apple-converted-space"> </span></b>Παρασκευή, 11 Σεπτεμβρίου 2020 - 13:41<br>
<b>Προς:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br>
<b>Θέμα:<span class="apple-converted-space"> </span></b>Re: [FieldTrip] Technical issue with cluster based selection of electrodes (ft_freqstatistics)</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Hi Georgios,<span class="apple-converted-space"> </span><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 issue you are facing, is that you input grandaveraged data into ft_freqstatistics, which does not contain the individual subject estimates anymore. So indeed, as you already suspected yourself, there’s something wrong with the input
into the function. Once the individual subject dimension is gone, it is impossible to compute a group-level T-statistic, let alone a corresponding critical value for clustering.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Indeed, once I managed to download the wetransfer files and load in one of the files, which nearly crashed my matlab because of its uncompressed size, it looks as if you are using the wrong variable as input to the statistics function.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Just for future reference, please only save (and upload) the variables that are needed to reproduce your problem, rather than your full matlab workspace).<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">On 11 Sep 2020, at 11:56, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk">georgios.tertikas@kcl.ac.uk</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 lang="EN-US">Hi List,</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">I am currently analyzing EEG data looking at alpha band frequencies.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">I am analyzing TFR sequences from 12 participants for left and right stimuli (2 conditions) and I want to isolate the electrodes that show differential activation between the two conditions. As such I have been trying
to perform cluster based selection of electrodes but I receive the following error message when using ft_freqstatistics:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:red">Error using ft_statistics_montecarlo (line 242)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:red">could not determine the parametric critical value for clustering</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:red"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:red">Error in ft_freqstatistics (line 193)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:red"> [stat, cfg] = statmethod(cfg, dat, design);</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Could someone aid me in that? I am also not entirely sure whether grand averaged data will be useful in my case but that is what is suggested in the official site.</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">My code up to this point is the following:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#4A874E">%% compute the cluster based statistics</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg = [];</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.channel = {<span style="color:#B245F3">'Fp1'</span>;<span style="color:#B245F3">'Fz'</span>;<span style="color:#B245F3">'F3'</span>;<span style="color:#B245F3">'FT9'</span>;<span style="color:#B245F3">'FC5'</span>;<span style="color:#B245F3">'FC1'</span>;<span style="color:#B245F3">'C3'</span>;<span style="color:#B245F3">'T7'</span>;<span style="color:#B245F3">'TP9'</span>;<span style="color:#B245F3">'CP5'</span>;<span style="color:#B245F3">'CP1'</span>;<span style="color:#B245F3">'Pz'</span>;<span style="color:#B245F3">'P3'</span>;<span style="color:#B245F3">'P7'</span>;<span style="color:#B245F3">'O1'</span>;<span style="color:#B245F3">'Oz'</span>;<span style="color:#B245F3">'O2'</span>;<span style="color:#B245F3">'P4'</span>;<span style="color:#B245F3">'P8'</span>;<span style="color:#B245F3">'TP10'</span>;<span style="color:#B245F3">'CP6'</span>;<span style="color:#B245F3">'CP2'</span>;<span style="color:#B245F3">'C4'</span>;<span style="color:#B245F3">'T8'</span>;<span style="color:#B245F3">'FT10'</span>;<span style="color:#B245F3">'FC6'</span>;<span style="color:#B245F3">'FC2'</span>;<span style="color:#B245F3">'F4'</span>;<span style="color:#B245F3">'F8'</span>;<span style="color:#B245F3">'AFz'</span>;<span style="color:#B245F3">'F1'</span>;<span style="color:#B245F3">'F5'</span>;<span style="color:#B245F3">'FT7'</span>;<span style="color:#B245F3">'FC3'</span>;<span style="color:#B245F3">'C1'</span>;<span style="color:#B245F3">'C5'</span>;<span style="color:#B245F3">'TP7'</span>;<span style="color:#B245F3">'CP3'</span>;<span style="color:#B245F3">'P1'</span>;<span style="color:#B245F3">'P5'</span>;<span style="color:#B245F3">'PO7'</span>;<span style="color:#B245F3">'PO3'</span>;<span style="color:#B245F3">'POz'</span>;<span style="color:#B245F3">'PO4'</span>;<span style="color:#B245F3">'PO8'</span>;<span style="color:#B245F3">'P6'</span>;<span style="color:#B245F3">'P2'</span>;<span style="color:#B245F3">'CPz'</span>;<span style="color:#B245F3">'CP4'</span>;<span style="color:#B245F3">'TP8'</span>;<span style="color:#B245F3">'C6'</span>;<span style="color:#B245F3">'C2'</span>;<span style="color:#B245F3">'FC4'</span>;<span style="color:#B245F3">'FT8'</span>;<span style="color:#B245F3">'F6'</span>;<span style="color:#B245F3">'AF4'</span>;<span style="color:#B245F3">'F2'</span>;<span style="color:#B245F3">'FCz'</span>};</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.latency = [0.8 1.15];</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.frequency =<span class="apple-converted-space"> </span><span style="color:#B245F3">'all'</span>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.method =<span class="apple-converted-space"> </span><span style="color:#B245F3">'montecarlo'</span>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.statistic =<span class="apple-converted-space"> </span><span style="color:#B245F3">'ft_statfun_depsamplesT'</span>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.correctm =<span class="apple-converted-space"> </span><span style="color:#B245F3">'cluster'</span>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.clusteralpha = 0.05;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.clusterstatistic =<span class="apple-converted-space"> </span><span style="color:#B245F3">'maxsum'</span>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.minnbchan = 2;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.tail = 0;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.clustertail = 0;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.alpha = 0.025;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.numrandomization = 1000;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#4A874E">% specifies with which sensors other sensors can form clusters</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#4A874E"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.neighbours = neighbours</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">subj = 12;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">design = zeros(2,2*subj);</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#0433FF">for</span><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">i = 1:subj</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> design(1,i) = i;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#0433FF">end</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#0433FF">for</span><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">i = 1:subj</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> design(1,subj+i) = i;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier;color:#0433FF">end</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">design(2,1:subj) = 1;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">design(2,subj+1:2*subj) = 2;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.design = design;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.uvar = 1;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">cfg.ivar = 2;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier">[stat] = ft_freqstatistics(cfg,grand_averaged_11_TFR ,grand_averaged_12_TFR)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Courier"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">And the output that I receive is:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">cfg =<span class="apple-converted-space"> </span></span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> struct with fields:</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> channel: {58×1 cell}</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> latency: [0.8000 1.1500]</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> frequency: 'all'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> method: 'montecarlo'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> statistic: 'ft_statfun_depsamplesT'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> correctm: 'cluster'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> clusteralpha: 0.0500</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> clusterstatistic: 'maxsum'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> minnbchan: 2</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> tail: 0</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> clustertail: 0</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> alpha: 0.0250</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> numrandomization: 1000</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> neighbours: [1×66 struct]</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">the call to "ft_selectdata" took 1 seconds and required the additional allocation of an estimated 22 MB</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">using specified neighbours for the channels</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">there are on average 6.8 neighbours per channel</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">the call to "ft_prepare_neighbours" took 0 seconds and required the additional allocation of an estimated 5 MB</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">using "ft_statistics_montecarlo" for the statistical testing</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">using "ft_statfun_depsamplesT" for the single-sample statistics</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">constructing randomized design</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">total number of measurements = 2</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">total number of variables = 24</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">number of independent variables = 1</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">number of unit variables = 1</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">number of within-cell variables = 0</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">number of control variables = 0</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">using a permutation resampling approach</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">repeated measurement in variable 1 over 1 levels</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">number of repeated measurements in each level is 2</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">the maximum number of unique permutations is 2</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">Warning: cfg.numrandomization is larger than the maximum number of unique permutations, better use 'all'</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">generated 1000 random permutations</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">computing a parametric threshold for clustering</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">Error using ft_statfun_depsamplesT (line 83)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">The data must contain at least two units of observation (trials or subjects).</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">Error using ft_statistics_montecarlo (line 242)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">could not determine the parametric critical value for clustering</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt">Error in ft_freqstatistics (line 193)</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt"> [stat, cfg] = statmethod(cfg, dat, design);</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">This is a wetransfer link with my data and with a mat file that I have created for the specific electrode array that I have (acticap_64).</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwe.tl%2Ft-Jqn4HBFNzf&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=JeAKaPmR6kRmXAJgqBpDGZTNhYlBiglbFELtinXUxGA%3D&reserved=0">https://we.tl/t-Jqn4HBFNzf</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Thank you very much in advance for your help.</span><o:p></o:p></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://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailman.science.ru.nl%2Fmailman%2Flistinfo%2Ffieldtrip&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=95H8yTfmkyyDFbW4CnEMHZ0umNkfLv2N1DSU8fGE62A%3D&reserved=0"><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://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoi.org%2F10.1371%2Fjournal.pcbi.1002202&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=PlBvmqN%2Bii3N6Pzp7rum4UThvzZsTOdUYlL0snQoWvc%3D&reserved=0"><span style="font-size:10.5pt;font-family:Helvetica">https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p></o:p></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://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailman.science.ru.nl%2Fmailman%2Flistinfo%2Ffieldtrip&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=95H8yTfmkyyDFbW4CnEMHZ0umNkfLv2N1DSU8fGE62A%3D&reserved=0"><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://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoi.org%2F10.1371%2Fjournal.pcbi.1002202&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=PlBvmqN%2Bii3N6Pzp7rum4UThvzZsTOdUYlL0snQoWvc%3D&reserved=0"><span style="font-size:10.5pt;font-family:Helvetica">https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:Helvetica">_______________________________________________<br>
fieldtrip mailing list<br>
<a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailman.science.ru.nl%2Fmailman%2Flistinfo%2Ffieldtrip&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=95H8yTfmkyyDFbW4CnEMHZ0umNkfLv2N1DSU8fGE62A%3D&reserved=0">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br>
<a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoi.org%2F10.1371%2Fjournal.pcbi.1002202&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C2abb4c1f59fd400e3b4108d8566d3d50%7C8370cf1416f34c16b83c724071654356%7C0&sdata=PlBvmqN%2Bii3N6Pzp7rum4UThvzZsTOdUYlL0snQoWvc%3D&reserved=0">https://doi.org/10.1371/journal.pcbi.1002202</a></span><o:p></o:p></p>
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