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Hi Danielle,
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<div class="">You need to have a close look at what you define to be cfg.channel. This should be a list of channel names: {’somechannel’;’someotherchannel’;’yetanotherchannel’}, or simply ‘all’, rather than a layout structure that you currently provide.</div>
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<div class="">Best wishes,</div>
<div class="">Jan-Mathijs</div>
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<div class="">On 31 May 2019, at 18:46, Taylor, Danielle <<a href="mailto:danielle.taylor@okstate.edu" class="">danielle.taylor@okstate.edu</a>> wrote:</div>
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<div class="gmail_default" style="font-family:georgia,serif">Hello Fieldtrippers,</div>
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<div class="gmail_default" style="font-family:georgia,serif">My name is Danielle Taylor, and I have been developing a script that reads in data which have been preprocessed using EEGlab, in order to run a frequency analysis.</div>
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<div class="gmail_default" style="font-family:georgia,serif">I've been successful at compiling an ERP thus far in FieldTrip. However, when I attempted to run a frequency analysis on a particular channel (Oz), it turned out that I could not select this channel,
as channels had never been assigned when loading my EEGlab file.</div>
<div class="gmail_default" style="font-family:georgia,serif"><br class="">
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<div class="gmail_default" style="font-family:georgia,serif">Therefore, I am reformatting my Fieldtrip preprocessing script, but have run into an error. I can't seem to find any record of others running into this error in the discussion either, so I'm not quite
sure how to move forward. My guess is that because the file is no longer a bdf (biosemi file), but instead a .set (from eeglab), that there might be problems assigning channels, but that is purely a guess.</div>
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<div class="gmail_default" style="font-family:georgia,serif">The error I get is:</div>
<div class="gmail_default" style="font-family:georgia,serif">Error using load<br class="">
Unknown text on line number 1 of ASCII file C:\Users\danie\fieldtrip\template\layout\biosemi32.lay<br class="">
"Fp1".<br class="">
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<div class="gmail_default" style="font-family:georgia,serif">Here is the script I have so far:</div>
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path_ft = 'C:/Users/danie/fieldtrip';<br class="">
path_data = 'C:/Users/danie/OneDrive - Oklahoma A and M System/LEAP/ALE/EEG/SSVEP/';<br class="">
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addpath(path_ft);<br class="">
ft_defaults;<br class="">
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subjects = {'001' '002' '003' '004' '005' '006' '007' '008' '009' '010'...<br class="">
'012' '013' '014' '015' '016' '017' '018' '021' '022' '023'...<br class="">
'025' '026' '027' '029' '031' '032' '033' '035' '036' '037'...<br class="">
'038' '040' '041' '043' '044' '045' '047' '049' '050' '051'...<br class="">
'052' '053' '054' '055' '056' '057' '058' '059' '060' '061'...<br class="">
'062' '063' '064' '065' '066' '067' '068' '069' '070' '071'...<br class="">
'072' '073' '074' '075' '076'};<br class="">
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load (fullfile(path_ft,'template','layout','biosemi32.lay'));<br class="">
biosemi32_layout = ft_prepare_layout(cfg);<br class="">
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for i=1:length(subjects)<br class="">
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ftype = 'eeglab_set';<br class="">
datapath = strcat(path_data, subjects{i});<br class="">
dataset = fullfile(datapath, strcat(subjects{i},'.set'));<br class="">
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cfg = [];<br class="">
cfg.dataset = dataset;<br class="">
cfg.headerfile = dataset;<br class="">
cfg.dataformat = ftype;<br class="">
cfg.headerformat = ftype;<br class="">
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cfg = [];<br class="">
cfg.dataset = dataset;<br class="">
cfg.trialfun = 'ft_trialfun_general';<br class="">
cfg.trialdef.eventtype = 'trigger'; <br class="">
cfg.trialdef.eventvalue = 'B3(5)'; <br class="">
cfg.trialdef.prestim = .2;<br class="">
cfg.trialdef.poststim = 3; <br class="">
cfg = ft_definetrial(cfg); </div>
<div class="gmail_default" style="font-family:georgia,serif"> trl = cfg.trl;<br class="">
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cfg.dataset = dataset;<br class="">
cfg.channel = biosemi32_layout;<br class="">
cfg.outputfile = fullfile(datapath, 'dataPNU');<br class="">
ft_preprocessing(cfg);<br class="">
end<br class="">
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<div class="gmail_default" style="font-family:georgia,serif">Any assistance would be greatly appreciated!</div>
<div class="gmail_default" style="font-family:georgia,serif">Thank you all,</div>
<div class="gmail_default" style="font-family:georgia,serif"><br class="">
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<p class="MsoNormal"><font class=""><span style="font-size:9.5pt;font-family:Georgia,serif" class="">Danielle Taylor, M.S.</span><span style="font-size:9.5pt" class=""><u class=""></u><u class=""></u></span></font></p>
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<p class="MsoNormal"><font class=""><span style="font-size:9.5pt;font-family:Georgia,serif" class="">Doctoral Candidate,</span><span style="font-size:9.5pt" class=""><u class=""></u><u class=""></u></span></font></p>
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<p class="MsoNormal"><font class=""><span style="font-size:9.5pt;font-family:Georgia,serif" class="">Clinical Psychology</span><span style="font-size:9.5pt" class=""><u class=""></u><u class=""></u></span></font></p>
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<p class="MsoNormal"><span style="font-size:9.5pt;font-family:Georgia,serif" class=""><font class="">Oklahoma State University</font></span><span style="color:rgb(80,0,80);font-size:9.5pt" class=""><u class=""></u><u class=""></u></span></p>
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