[Eeglablist] LIMO Errors Importing Data

[John Johnson]

> This should however work using STUDY - ie create a study, export ersp 
> and call LIMO form there.

Could you elaborate on how to do this, or point me to instructions I've 
missed?

Thanks,
John

John T. Johnson
PhD Candidate - Cognitive Motor Control Laboratory
Lab TA NEURO 4001 Neuroscience Capstone
School of Biological Sciences
Georgia Institute of Technology
john.johnson at gatech.edu
he/him/his

On 16 Apr 2020, at 5:57, PERNET Cyril wrote:

> Hi Pia,
>
> We'll be releasing a new version soon(ish) that fixes such issue - 
> right now ERSP haven't properly tested. This should however work using 
> STUDY - ie create a study, export ersp and call LIMO form there. Let 
> me know how it goes.
>
> Best
> cyrl
>
> --
> Dr Cyril Pernet,
> Senior Academic Fellow
> Neuroimaging Sciences
>
> Centre for Clinical Brain Sciences
> Chancellor's Building, Room GU426D
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>
> cyril.pernet at ed.ac.uk
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> -----Original Message-----
> From: Pia Ludwig <PiaLudwig at gmx.at>
> Sent: 15 April 2020 10:28
> To: eeglablist at sccn.ucsd.edu
> Subject: [Eeglablist] LIMO Errors Importing Data
>
> Dear all,
> I’ve been trying to use the LIMO toolbox for my data, but I can’t 
> get it to work, not even with the tutorial data provided. I am not 
> sure if these are bugs or if it is a compatibility problem. I tried 
> different EEGLAB versions and settings, and it turns out, that the 
> single trial data for the time-frequency analysis cannot be loaded, as 
> it seems to be formatted inappropriately (see below). I created them 
> with the LimoTools option and don't know how to proceed. It would be 
> great if you could provide me your thoughts on how to solve this, as I 
> really want to use this toolbox with my own data! Thanks so much!
> Best Pia
>
>
> See here below a summary of the errors I received so far. I am running 
> LIMO in Matlab R2017b using the GUI. I also tried it on Matlab 2019a, 
> but had the same problem at the end.
> If I use eeglab2019_1, I already get the following error when I try to 
> create single trial data:
>       Error using load: Unable to read file 
> '…\limo_dataset_S1.set_single_trials.daterp'. No such file or 
> directory.
>       Error in limo_create_single_trials (line 123)         data = 
> load('-mat',[name '.daterp']);
>       …
> This might be a problem of the naming, as the preprocessing runs and 
> files like ‘S1.daterp' etc. are actually created.
>
> If I use eeglab eeglab13_6_5b or 14_1_1b creating single trial data 
> works. When I try to run the single subject GLM, I get it to work for 
> the ERPs but not for          the Frequency or Time Frequency data. I 
> get the following error:
>       Time-Frequency implementation - loading tf data... Reference to 
> non-existent field 'Type'.
>       Error in limo_eeg (line 299)            if 
> strcmp(LIMO.Type,'Components')
>       …
>
> This might be because for some reason the field “Type” does not 
> exist. When I add in limo_eeg.m in Line 299 to test if field exists, I 
> get another error
>       Error using load Number of columns on line 2 of ASCII file 
> …\limo_dataset_S1.set_single_trials.dattimef must be the same as 
> previous lines.
>       Error in limo_eeg (line 325)                    Y = 
> load(EEGLIMO.etc.datafiles.datersp);
>       …
>
> When I then go back and save single trial data as .mat file, redo the 
> import data action, I get this error:
>       Time-Frequency implementation - loading tf data...
>       Error using getfield (line 56) Inputs must be either cell arrays 
> or character vectors.
>       Error in limo_eeg (line 327)                       Y = 
> getfield(Y,cell2mat(fieldnames(Y)));
>
> When I check the .mat file, I see that it is completely empty, hence 
> the error.
>
>
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