[Eeglablist] Trouble in merging multiple datasets

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Tue Oct 31 00:10:45 PDT 2017

Hello He, Usually this is not a problem area for users, so you should
probably check some things on your end first. See below for notes. Best


If you haven't had a chance to yet, first try to do all steps from the gui
with eeglab tutorial datasets. That means load several datasets and then
merge them, all via the gui. This is the best way to test (using eeglab
tutorial data and using the eeglab gui for all steps). Then review the eegh
output after having merged the files successfully. (type eegh in the
command line to get the functions/code that was run when doing the steps
via the gui). Review how/whether your code/script is different from the
eegh output.  This is the best and easiest way for beginners to build
code/script. What one needs to do is mimic/copy the eegh steps as closely
as possible in an initial code/script, and then go from there.

You can check out more info about eegh on the eeglab website, and by typing
doc eegh or help eegh at the command line as for any matlab or eeglab
function. You can also do the same for the pop_mergeset function to find
out more details about it.

It looks from the error message that for some reason you don't have have
the datasets loaded into eeglab memory properly, so  see if you have made a
mistake in your code/script/

When you've had a chance to do the above testing, please let the list know
what your solution is (so other listreaders can learn from your experience)
and whether you still have any issues with this basic step.

Also, in the future, for a better response, please send more information
and more of your code/script so it is clear what steps you're taking before
experiencing the error.
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