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my line 79 in ft_freqstatistics (i.e. the one that is reported in your error stack) reads: <span class="pl-smi" style="box-sizing: border-box; color: rgb(36, 41, 46); font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; white-space: pre;">ft_preamble</span><span style="caret-color: rgb(3, 47, 98); color: rgb(3, 47, 98); font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; white-space: pre; background-color: rgb(255, 255, 255);" class="">
loadvar varargin </span>not ft_preamble help.
<div class="">Have you by accident edited this file? Please fix it, and try to run it again.</div>
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<div class="">JM</div>
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<div class="">On 11 Sep 2020, at 16:51, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk" class="">georgios.tertikas@kcl.ac.uk</a>> wrote:</div>
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<span lang="EN-US" class="">Hi Jan-Mathijs,<o:p class=""></o:p></span></div>
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<span lang="EN-US" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" class="">Thank you once again for your fast response.<o:p class=""></o:p></span></div>
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<span lang="EN-US" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">I have actually called it as such</span><span lang="EN-US" style="font-family: Calibri, sans-serif;" class=""><span class="Apple-converted-space"> </span> (</span>[stat]
= ft_freqstatistics(cfg,CA_11_TFR{:} ,CA_12_TFR{:})<o:p class=""></o:p></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 7.5pt; font-family: Courier;" class="">
<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">But then I receive this error message:<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Error using nargin<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">You can only call nargin/nargout from within a MATLAB function.<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Error in ft_preamble_help (line 26)<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">if nargin==0<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Error in ft_preamble (line 54)<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""> evalin('caller', ['ft_preamble_' cmd]);<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Error in ft_freqstatistics (line 79)<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">ft_preamble help<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Error in Grand_average_Cluster_based_electrode_selection (line 268)<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">[stat] = ft_freqstatistics(cfg,CA_11_TFR{:} ,CA_12_TFR{:})<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">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?<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">Thank you once again for all your help,<o:p class=""></o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></span></div>
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<span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif;" class="">George<o:p class=""></o:p></span></div>
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<b class=""><span style="font-size: 12pt;" class="">Από:<span class="Apple-converted-space"> </span></span></b><span style="font-size: 12pt;" class="">fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip-bounces@science.ru.nl</a>>
για λογαριασμό του "Schoffelen, J.M. (Jan Mathijs)" <<a href="mailto:jan.schoffelen@donders.ru.nl" style="color: blue; text-decoration: underline;" class="">jan.schoffelen@donders.ru.nl</a>><br class="">
<b class="">Απάντηση σε:<span class="Apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip@science.ru.nl</a>><br class="">
<b class="">Ημερομηνία:<span class="Apple-converted-space"> </span></b>Παρασκευή, 11 Σεπτεμβρίου 2020 - 15:25<br class="">
<b class="">Προς:<span class="Apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip@science.ru.nl</a>><br class="">
<b class="">Θέμα:<span class="Apple-converted-space"> </span></b>Re: [FieldTrip] Technical issue with cluster based selection of electrodes (ft_freqstatistics)<o:p class=""></o:p></span></div>
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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 class=""></o:p></div>
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On 11 Sep 2020, at 15:01, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk" style="color: blue; text-decoration: underline;" class="">georgios.tertikas@kcl.ac.uk</a>> wrote:<o:p class=""></o:p></div>
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<span lang="EN-US" class="">Hi Jan-Mathijs,</span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">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 class=""></o:p></div>
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<span lang="EN-US" class="">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 class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">Error using ft_checkdata (line 529)</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">This function requires freq data as input, see ft_datatype_freq.</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">Error in ft_freqstatistics (line 97)</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class=""> varargin{i} = ft_checkdata(varargin{i}, 'datatype', 'freq', 'feedback', 'no');</span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">Would you happen to know an alternative?</span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">Thank you once again,</span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">George</span><o:p class=""></o:p></div>
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<b class=""><span style="font-size: 12pt;" class="">Από:<span class="apple-converted-space"> </span></span></b><span style="font-size: 12pt;" class="">fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip-bounces@science.ru.nl</a>>
για λογαριασμό του "Schoffelen, J.M. (Jan Mathijs)" <<a href="mailto:jan.schoffelen@donders.ru.nl" style="color: blue; text-decoration: underline;" class="">jan.schoffelen@donders.ru.nl</a>><br class="">
<b class="">Απάντηση σε:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip@science.ru.nl</a>><br class="">
<b class="">Ημερομηνία:<span class="apple-converted-space"> </span></b>Παρασκευή, 11 Σεπτεμβρίου 2020 - 13:41<br class="">
<b class="">Προς:<span class="apple-converted-space"> </span></b>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl" style="color: blue; text-decoration: underline;" class="">fieldtrip@science.ru.nl</a>><br class="">
<b class="">Θέμα:<span class="apple-converted-space"> </span></b>Re: [FieldTrip] Technical issue with cluster based selection of electrodes (ft_freqstatistics)</span><o:p class=""></o:p></div>
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Hi Georgios,<span class="apple-converted-space"> </span><o:p class=""></o:p></div>
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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 class=""></o:p></div>
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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 class=""></o:p></div>
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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 class=""></o:p></div>
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Best wishes,<o:p class=""></o:p></div>
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Jan-Mathijs<o:p class=""></o:p></div>
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On 11 Sep 2020, at 11:56, Tertikas, Georgios <<a href="mailto:georgios.tertikas@kcl.ac.uk" style="color: blue; text-decoration: underline;" class="">georgios.tertikas@kcl.ac.uk</a>> wrote:<o:p class=""></o:p></div>
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<span lang="EN-US" class="">Hi List,</span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">I am currently analyzing EEG data looking at alpha band frequencies.</span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">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 class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" style="color: red;" class="">Error using ft_statistics_montecarlo (line 242)</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="color: red;" class="">could not determine the parametric critical value for clustering</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="color: red;" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" style="color: red;" class="">Error in ft_freqstatistics (line 193)</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="color: red;" class=""> [stat, cfg] = statmethod(cfg, dat, design);</span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">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 class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">My code up to this point is the following:</span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(74, 135, 78);" class="">%% compute the cluster based statistics</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg = [];</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.channel = {<span style="color: rgb(178, 69, 243);" class="">'Fp1'</span>;<span style="color: rgb(178, 69, 243);" class="">'Fz'</span>;<span style="color: rgb(178, 69, 243);" class="">'F3'</span>;<span style="color: rgb(178, 69, 243);" class="">'FT9'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC5'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC1'</span>;<span style="color: rgb(178, 69, 243);" class="">'C3'</span>;<span style="color: rgb(178, 69, 243);" class="">'T7'</span>;<span style="color: rgb(178, 69, 243);" class="">'TP9'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP5'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP1'</span>;<span style="color: rgb(178, 69, 243);" class="">'Pz'</span>;<span style="color: rgb(178, 69, 243);" class="">'P3'</span>;<span style="color: rgb(178, 69, 243);" class="">'P7'</span>;<span style="color: rgb(178, 69, 243);" class="">'O1'</span>;<span style="color: rgb(178, 69, 243);" class="">'Oz'</span>;<span style="color: rgb(178, 69, 243);" class="">'O2'</span>;<span style="color: rgb(178, 69, 243);" class="">'P4'</span>;<span style="color: rgb(178, 69, 243);" class="">'P8'</span>;<span style="color: rgb(178, 69, 243);" class="">'TP10'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP6'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP2'</span>;<span style="color: rgb(178, 69, 243);" class="">'C4'</span>;<span style="color: rgb(178, 69, 243);" class="">'T8'</span>;<span style="color: rgb(178, 69, 243);" class="">'FT10'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC6'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC2'</span>;<span style="color: rgb(178, 69, 243);" class="">'F4'</span>;<span style="color: rgb(178, 69, 243);" class="">'F8'</span>;<span style="color: rgb(178, 69, 243);" class="">'AFz'</span>;<span style="color: rgb(178, 69, 243);" class="">'F1'</span>;<span style="color: rgb(178, 69, 243);" class="">'F5'</span>;<span style="color: rgb(178, 69, 243);" class="">'FT7'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC3'</span>;<span style="color: rgb(178, 69, 243);" class="">'C1'</span>;<span style="color: rgb(178, 69, 243);" class="">'C5'</span>;<span style="color: rgb(178, 69, 243);" class="">'TP7'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP3'</span>;<span style="color: rgb(178, 69, 243);" class="">'P1'</span>;<span style="color: rgb(178, 69, 243);" class="">'P5'</span>;<span style="color: rgb(178, 69, 243);" class="">'PO7'</span>;<span style="color: rgb(178, 69, 243);" class="">'PO3'</span>;<span style="color: rgb(178, 69, 243);" class="">'POz'</span>;<span style="color: rgb(178, 69, 243);" class="">'PO4'</span>;<span style="color: rgb(178, 69, 243);" class="">'PO8'</span>;<span style="color: rgb(178, 69, 243);" class="">'P6'</span>;<span style="color: rgb(178, 69, 243);" class="">'P2'</span>;<span style="color: rgb(178, 69, 243);" class="">'CPz'</span>;<span style="color: rgb(178, 69, 243);" class="">'CP4'</span>;<span style="color: rgb(178, 69, 243);" class="">'TP8'</span>;<span style="color: rgb(178, 69, 243);" class="">'C6'</span>;<span style="color: rgb(178, 69, 243);" class="">'C2'</span>;<span style="color: rgb(178, 69, 243);" class="">'FC4'</span>;<span style="color: rgb(178, 69, 243);" class="">'FT8'</span>;<span style="color: rgb(178, 69, 243);" class="">'F6'</span>;<span style="color: rgb(178, 69, 243);" class="">'AF4'</span>;<span style="color: rgb(178, 69, 243);" class="">'F2'</span>;<span style="color: rgb(178, 69, 243);" class="">'FCz'</span>};</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.latency = [0.8 1.15];</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.frequency =<span class="apple-converted-space"> </span><span style="color: rgb(178, 69, 243);" class="">'all'</span>;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.method =<span class="apple-converted-space"> </span><span style="color: rgb(178, 69, 243);" class="">'montecarlo'</span>;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.statistic =<span class="apple-converted-space"> </span><span style="color: rgb(178, 69, 243);" class="">'ft_statfun_depsamplesT'</span>;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.correctm =<span class="apple-converted-space"> </span><span style="color: rgb(178, 69, 243);" class="">'cluster'</span>;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.clusteralpha = 0.05;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.clusterstatistic =<span class="apple-converted-space"> </span><span style="color: rgb(178, 69, 243);" class="">'maxsum'</span>;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.minnbchan = 2;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.tail = 0;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.clustertail = 0;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.alpha = 0.025;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.numrandomization = 1000;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(74, 135, 78);" class="">% specifies with which sensors other sensors can form clusters</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(74, 135, 78);" class=""> </span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.neighbours = neighbours</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">subj = 12;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">design = zeros(2,2*subj);</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(4, 51, 255);" class="">for</span><span class="apple-converted-space"><span style="font-size: 7.5pt; font-family: Courier;" class=""> </span></span><span style="font-size: 7.5pt; font-family: Courier;" class="">i
= 1:subj</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class=""> design(1,i) = i;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(4, 51, 255);" class="">end</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(4, 51, 255);" class="">for</span><span class="apple-converted-space"><span style="font-size: 7.5pt; font-family: Courier;" class=""> </span></span><span style="font-size: 7.5pt; font-family: Courier;" class="">i
= 1:subj</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class=""> design(1,subj+i) = i;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier; color: rgb(4, 51, 255);" class="">end</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">design(2,1:subj) = 1;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">design(2,subj+1:2*subj) = 2;</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.design = design;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.uvar = 1;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class="">cfg.ivar = 2;</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 7.5pt; font-family: Courier;" class="">[stat] = ft_freqstatistics(cfg,grand_averaged_11_TFR ,grand_averaged_12_TFR)</span><o:p class=""></o:p></div>
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<span style="font-size: 7.5pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<span style="font-size: 9pt; font-family: Courier;" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class="">And the output that I receive is:</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">cfg =<span class="apple-converted-space"> </span></span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> struct with fields:</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> channel: {58×1 cell}</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> latency: [0.8000 1.1500]</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> frequency: 'all'</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> method: 'montecarlo'</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> statistic: 'ft_statfun_depsamplesT'</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> correctm: 'cluster'</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> clusteralpha: 0.0500</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> clusterstatistic: 'maxsum'</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> minnbchan: 2</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> tail: 0</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> clustertail: 0</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> alpha: 0.0250</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> numrandomization: 1000</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> neighbours: [1×66 struct]</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">the call to "ft_selectdata" took 1 seconds and required the additional allocation of an estimated 22 MB</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">using specified neighbours for the channels</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">there are on average 6.8 neighbours per channel</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">the call to "ft_prepare_neighbours" took 0 seconds and required the additional allocation of an estimated 5 MB</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">using "ft_statistics_montecarlo" for the statistical testing</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">using "ft_statfun_depsamplesT" for the single-sample statistics</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">constructing randomized design</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">total number of measurements = 2</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">total number of variables = 24</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">number of independent variables = 1</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">number of unit variables = 1</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">number of within-cell variables = 0</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">number of control variables = 0</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">using a permutation resampling approach</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">repeated measurement in variable 1 over 1 levels</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">number of repeated measurements in each level is 2</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">the maximum number of unique permutations is 2</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">Warning: cfg.numrandomization is larger than the maximum number of unique permutations, better use 'all'</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">generated 1000 random permutations</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">computing a parametric threshold for clustering</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">Error using ft_statfun_depsamplesT (line 83)</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">The data must contain at least two units of observation (trials or subjects).</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">Error using ft_statistics_montecarlo (line 242)</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class="">could not determine the parametric critical value for clustering</span><o:p class=""></o:p></div>
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<span lang="EN-US" style="font-size: 9pt;" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class="">Error in ft_freqstatistics (line 193)</span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" style="font-size: 9pt;" class=""> [stat, cfg] = statmethod(cfg, dat, design);</span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" class="">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 class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" class=""><a href="https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwe.tl%2Ft-Jqn4HBFNzf&data=01%7C01%7Cgeorgios.tertikas%40kcl.ac.uk%7C97c606cc538d45f31baa08d8565e8ed0%7C8370cf1416f34c16b83c724071654356%7C0&sdata=IDuubeok32fvn%2BIQWXTQQC1FXkTamuddQLK7lWYbE5w%3D&reserved=0" style="color: blue; text-decoration: underline;" class="">https://we.tl/t-Jqn4HBFNzf</a></span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span lang="EN-US" class="">Thank you very much in advance for your help.</span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span lang="EN-US" class=""> </span><o:p class=""></o:p></div>
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<span style="font-size: 10.5pt; font-family: Helvetica;" class="">_______________________________________________<br class="">
fieldtrip mailing list<br class="">
</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%7C97c606cc538d45f31baa08d8565e8ed0%7C8370cf1416f34c16b83c724071654356%7C0&sdata=CzQogLCYxquZbqE0jamUY%2FyXvrxo%2B6X49OYwJsTEg%2Bw%3D&reserved=0" style="color: blue; text-decoration: underline;" class=""><span style="font-size: 10.5pt; font-family: Helvetica;" class="">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a><span style="font-size: 10.5pt; font-family: Helvetica;" class=""><br class="">
</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%7C97c606cc538d45f31baa08d8565e8ed0%7C8370cf1416f34c16b83c724071654356%7C0&sdata=yVbT3g9GpsvMfPBEGS6%2BrwtTKqvrmu2ag7wxAbzOCY4%3D&reserved=0" style="color: blue; text-decoration: underline;" class=""><span style="font-size: 10.5pt; font-family: Helvetica;" class="">https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p class=""></o:p></div>
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</div>
</blockquote>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<o:p class=""></o:p></div>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<span style="font-size: 10.5pt; font-family: Helvetica;" class="">_______________________________________________<br class="">
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</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%7C97c606cc538d45f31baa08d8565e8ed0%7C8370cf1416f34c16b83c724071654356%7C0&sdata=yVbT3g9GpsvMfPBEGS6%2BrwtTKqvrmu2ag7wxAbzOCY4%3D&reserved=0" style="color: blue; text-decoration: underline;" class=""><span style="font-size: 10.5pt; font-family: Helvetica;" class="">https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p class=""></o:p></div>
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</blockquote>
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<div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">
<o:p class=""> </o:p></div>
</div>
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<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">fieldtrip
mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class=""><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip" class="">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a></span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class=""><a href="https://doi.org/10.1371/journal.pcbi.1002202" class="">https://doi.org/10.1371/journal.pcbi.1002202</a></span></div>
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