Importing EEG edf to matlab
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Athul Prakash on 5 Jan 2021
I presume you're using the pro_biosig.m file found here: https://github.com/donnchadh/biosig/blob/master/biosig/eeglab/pop_biosig.m
The issue seems specific to the code the owner of the repo has written ("index exceeds the number of array elements"). However, the error message itself warns you about an installation and the issue could likely be from a missing file, so you should install mesSLOAD.mex as suggested.
You may find more help in the issues section of the repo you're using.
Hope it helps!
Daniel Gallagher on 2 Jun 2021
I had the same problem. In my case, the error only came up with one of my EEG datasets (which was recorded the same way as all the others). This eventually fixed it for me:
From the EEGLAB GUI, File > Manage EEGLAB Extensions > Biosig 7.3.5, then click "Install/Update".
I had previously tried updating source files (like edfannot2evt.m) manually, but I think doing so caused some problem with path (even though I tried manually updating that as well...). In any case, this manual updating didn't do the trick for me. But going through the GUI did, so maybe this will work for some others who face the same problem.