[FieldTrip] error with ft_appenddata
Wong-Barnum, Mona
mona at sdsc.edu
Wed Oct 19 00:45:15 CEST 2016
Thanks Jan for your help!
I ended up doing the following steps:
addpath /path/to/fieldtrip
ft_defaults
cfg1 = [];
cfg1.dataset = '1.fif';
data1 = ft_preprocessing ( cfg1 );
cfg2 = [];
cfg2.dataset = '2.fif';
data2 = ft_preprocessing ( cfg2 );
cfg3 = [];
cfg3.dataset = '3.fif';
data3 = ft_preprocessing ( cfg3 );
cfg=[];
data = ft_appenddata ( cfg, data1, data2, data3 )
save stitched.mat data -v7.3
Which worked.
If you see any other problem that I may have missed, please feel free to educate me.
Thanks!
Mona
On Oct 5, 2016, at 5:21 PM, Schoffelen, J.M. (Jan Mathijs) <jan.schoffelen at donders.ru.nl<mailto:jan.schoffelen at donders.ru.nl>> wrote:
Hi Mona,
If you directly use the output of ft_read_data as input into ft_appenddata, it won’t work. The reason is that ft_appenddata expects in the input (data#) matlab structures that are generated by ft_preprocessing. Ft_read_data outputs a numeric data matrix, which is only part of the ft_preprocessing generated output. Have you something like this yet?:
cfg = [];
cfg.dataset = ;somefiffile.fif’;
data = ft_preprocessing(cfg);
Best
Jan-Mathijs
On 05 Oct 2016, at 23:06, Wong-Barnum, Mona <mona at sdsc.edu<mailto:mona at sdsc.edu>> wrote:
I’m getting a runtime error with ft_appenddata:
data = ft_appenddata ( cfg, data1, data2, data3, data4, data5, data6, data7, data8, data9, data10, data11, data12, data13, data14 )
Error using ft_checkdata (line 468) This function requires raw+comp or raw data as input.
Error in ft_appenddata (line 80) varargin{i} = ft_checkdata(varargin{i}, 'datatype', {'raw+comp', 'raw'}, 'feedback', 'no');
Error in stitch (line 45) data = ft_appenddata ( cfg, data1, data2, data3, data4, data5, data6, data7, data8, data9, data10, data11, data12, data13, data14, data15, data16, data17, data18, data19, data20 )
Error in run (line 96) evalin('caller', [script ';']);
I have Neuromag data and was able to read the files into data# using ft_read_data.
In the documentation, it says cfg can be empty so I declared it by "cfg = ‘’;” before the ft_appenddata call; is that ok?
Any help/suggstions/tips regarding the ft_appenddata error would be appreciated. Thanks!
Mona
*********************************************
Mona Wong
Web & iPad Application Developer
San Diego Supercomputer Center
"To handle yourself, use your head;
to handle others, use your heart."
-- Eleanor Roosevelt
*********************************************
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fieldtrip mailing list
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*********************************************
Mona Wong
Web & iPad Application Developer
San Diego Supercomputer Center
"Strive not to be a success, but
rather to be of value."
--- Albert Einstein
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