<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Zito,<div class=""><br class=""></div><div class="">In my reading, the reason for the error is, you provide a power spectra matrices. Yet, ft_freqstatistics expects a data structure that comes out from ft_freqanalysis.</div><div class="">From your code I understand that you aim to perform statistics between subjects (e.d. cfg.design matrix). However, during the call to ft_freqanalysis you specify cfg.keeptrials = ‘yes’. This would allow you to compute statistics within a given subject between the trials corresponding to 2 different conditions.</div><div class=""><br class=""></div><div class="">My suggestion is:</div><div class="">1. Compute power spectra for data1 and data9 with cfg.keeptrials no per subject</div><div class="">2. The resulting freq1 and freq9 per subject can be organised in cell array, <a href="http://e.gl" class="">e.</a>g. all1{:} and all9{:}.</div><div class="">3. Make a call to ft_freqstatistics : stat = ft_freqstatistics(cfg, all1{:}, all9{:})</div><div class=""><br class=""></div><div class="">If you are interested in a specific frequency band, you can simply specify cfg.frequency = [freglow freqhigh] as you do in your uncommented code.</div><div class="">Good luck,</div><div class="">Tzvetan</div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 24 Mar 2022, at 09:20, Zito Giuseppe Angelo via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl" class="">fieldtrip@science.ru.nl</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Dear Fieldtrip Community,<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">I would like to ask a question on ft_freqstatistics.<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">I have a design with 20 subjects and 2 conditions, which I imported from EEGlab with the function ft_preprocessing. I the extract the power in the frequency band of interest and I save it using ft_freqanalysis (see link to myData.mat).<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">I also created a layout where I modified the standard GSN-HydroCel-129 cap to fit with my own layout, and I computed the neighbours with the function ft_prepare neighbours (see link to myClusters.mat)<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">I then tried to run the stats with ft_freqstatistics to study differences in power spectrum between conditions in a within-subject design. However, when running ft_freqstatistics, I receive the following error:<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: "Courier New";" class="">Error using ft_checkdata (line 538)<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: "Courier New";" class="">This function requires freq data as input, see ft_datatype_freq.<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: "Courier New";" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: "Courier New";" class="">Error in ft_freqstatistics (line 91)<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: "Courier New";" class=""> varargin{i} = ft_checkdata(varargin{i}, 'datatype', 'freq', 'feedback', 'no');<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">It seems to be related with the wrong formatting of the input, but the help of ft_checkdata states that the function should accept the data formatted with ft_freqanalysis.<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Here is my code:<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">%% Load data into FieldTrip and extract the frequencies</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(14, 0, 255);" class="">for</span><span style="font-size: 10pt; font-family: "Courier New";" class=""><span class="Apple-converted-space"> </span>i = 1:length(participants)</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> <span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(14, 0, 255);" class="">for</span><span style="font-size: 10pt; font-family: "Courier New";" class=""><span class="Apple-converted-space"> </span>j = 1:length(conditions)</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> fileName = [folderPath participants{i}<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'\'</span><span style="font-size: 10pt; font-family: "Courier New";" class=""><span class="Apple-converted-space"> </span>participants{i}<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'_'</span><span style="font-size: 10pt; font-family: "Courier New";" class=""><span class="Apple-converted-space"> </span>conditions{j}<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'.set'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg = [];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.dataset = fileName;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% Load the data from EEGlab to FieldTrip</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> data{i,j} = ft_preprocessing(cfg);</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% Set parameters</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.method =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'mtmfft'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.output =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'pow'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.channel =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'all'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.trials =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'all'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.keeptrials =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'yes'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.pad =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'nextpow2'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.foilim = [4 36];<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% frequency band of interest</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.taper =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'dpss'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> cfg.tapsmofrq = 2;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% Extract the frequencies</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> freq{i,j} = ft_freqanalysis(cfg, data{i,j});</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> <span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(14, 0, 255);" class="">end</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(14, 0, 255);" class="">end</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">freq1 = freq(:,1)';</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">freq9 = freq(:,9)';</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">%% Run the stats</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">clear</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">load<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">myData.mat</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">load<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">myClusters.mat</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg = [];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% cfg.neighbours = myClusters;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.channel =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'all'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.parameter =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'powspctrm'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.method =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'montecarlo'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% cfg.frequency = [4 36];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">%cfg.method = 'analytic';</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.statistic =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'depsamplesT'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">%cfg.statistic = 'ft_statfun_depsamplesFmultivariate';</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.channels =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'all'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.alpha = 0.05;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.tail = 0;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% cfg.correctm = 'cluster';</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.correcttail =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'alpha'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.numrandomization =<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(170, 4, 249);" class="">'all'</span><span style="font-size: 10pt; font-family: "Courier New";" class="">;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.ivar = 2;<span class="Apple-converted-space"> </span></span><span style="font-size: 10pt; font-family: "Courier New"; color: rgb(2, 128, 9);" class="">% the independent variable</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.uvar = 1;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">nSub = 20;</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.design(1,1:2*nSub) = [1:nSub 1:nSub];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">cfg.design(2,1:2*nSub) = [ones(1,nSub) 2*ones(1,nSub)];</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""></span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class=""> </span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 10pt; font-family: "Courier New";" class="">stat = ft_freqstatistics(cfg, freq1,freq9);</span><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 12pt; font-family: "Courier New";" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Any idea of where the problem is?<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Please, find here the link to the files:<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><a href="https://polybox.ethz.ch/index.php/s/6nTJuNXICnRK1Uc" style="color: rgb(5, 99, 193); text-decoration: underline;" class="">https://polybox.ethz.ch/index.php/s/6nTJuNXICnRK1Uc</a><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><a href="https://polybox.ethz.ch/index.php/s/3IA5vhgz6c7X0Bd" style="color: rgb(5, 99, 193); text-decoration: underline;" class="">https://polybox.ethz.ch/index.php/s/3IA5vhgz6c7X0Bd</a><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Thank you very much,<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" style="font-size: 10pt; font-family: Arial, sans-serif;" class="">Giuseppe<o:p class=""></o:p></span></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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: 12px; 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: 12px; 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: 12px; 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=""><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip" style="color: rgb(5, 99, 193); text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; 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=""><a href="https://doi.org/10.1371/journal.pcbi.1002202" style="color: rgb(5, 99, 193); text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://doi.org/10.1371/journal.pcbi.1002202</a></div></blockquote></div><br class=""></div></body></html>