[Eeglablist] request for guideline

Arnaud Delorme arno at ucsd.edu
Wed Jan 15 18:23:08 PST 2014


Dear Gupta,

since 298458 cannot be divided by 140 you likely do not have the correct number of trials. Once you have the data in Matlab you can first transpose it (so electrodes are in the first dimension) then reshape it

data = reshape(data', [118 nsamples_per_trial ntrials ]);

Then you can import that array in EEGLAB if you wish to.
Best,

Arno

On Jan 1, 2014, at 10:16 AM, AKSHANSH GUPTA <akshanshgupta83 at gmail.com> wrote:

> Dear Sir/ Mam
> I want to use  BCI Competition III dataset IVa for academic purpose in binary classification problem of mental task. But there are 298458 numbers of rows and 118 numbers of columns in per subject data, if i am right then columns represent numbers of electrodes and there are three tasks & 140 trails per task. But in this way how can I identify what numbers of rows represent which task and trail? 
> I request you please help me in regard, I'll highly obliged you for ever
> 
>  
> Thanks & Regards...
> Akshansh Gupta
> (Pursuing Ph.d ,  J.N.U,New Delhi-67)
> Contact no:  +91 9013927309, +91 11-26741787,9899435903
> 
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