[Eeglablist] epoching data using indicies

[Jakob Scherer]

Hi Zack,
i was dealing with the same problem. you have to use [] instead of {}
for the eventtype:

EEG2 = pop_epoch(EEG, [], [-1 2], 'eventindices' ,x_inds);

best,
jakob

On Fri, Aug 21, 2009 at 12:15 AM, Zack Chadick<james.chadick at ucsf.edu> wrote:
> hello, i'm trying to epoch data using the 'eventidicies' field in pop_epoch
> but i cannot seem to
> force pop_epoch to recognize only the indicies i feed in. i've been calling
> as follows:
> EEG2 = pop_epoch(EEG, {}, [-1 2], 'eventindicies' ,x_inds);
> where 'x_inds' are the indicies i am interested in extracting. as an
> example, say there are 20
> markers in my EEG set, every other marker is called "STIM" under the
> event.type field, if i want
> to extract out only the first half of the "STIM" markers (five total - every
> other from the first 10) how
> would i go about doing that (i.e. x_inds = [1 3 5 7 9])?
> i've tried the following:
> EEG2 = pop_epoch(EEG, {}, [-1 2], 'eventindicies' ,x_inds);       -> returns
> all 20 epoched markers
> EEG2 = pop_epoch(EEG, {'STIM'}, [-1 2]);                          -> returns
> all 10 "STIM" markers
> EEG2 = pop_epoch(EEG, {'STIM'}, [-1 2], 'eventindicies' ,x_inds); -> returns
> all 10 "STIM" markers
> i cant seem to come up with a way to override the "typerange" command, has
> anyone run into this
> problem and have a potential solution?
> thanks,
> zack chadick
> gazzaley lab - UCSF
> http://gazzaleylab.ucsf.edu
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