[FieldTrip] Averaging trials (ft_timelockanalysis)

Hamza Fawzi Altakroury (Student) hamzaf at sabanciuniv.edu
Thu May 3 11:09:52 CEST 2012


Hello again,

But I need to process my data later by ft_timelockstatistics.
I don't think this funtion accepts cell containing many structs.

I think its better to do average manually then call ft_lockanalysis, then
ft_timelockstatistics. Right?

Hamza


On Thu, May 3, 2012 at 11:36 AM, Stephen Whitmarsh <
stephen.whitmarsh at gmail.com> wrote:

> Dear Hamza,
>
> Fieldtrip functions in generally do not work on several different
> 'sets' of data at the same time.
> Call the function you are using (e.g. ft_timelockanalysis) separately
> for every set of trials and if you want put the output in a
> matrix{1:10} of datastructures (e.g. timelock).
> You can easily put it in a loop. Something like this:
>
> for i = 1:10
>     cfg = [];
>     cfg.trials = [(i-1)*10+1 : i*10];
>     yourtimelockdata{i} = ft_function(cfg,yourdata)
> end
>
> Hope this helps,
> Stephen
>
>
> On 3 May 2012 10:23, Hamza Fawzi Altakroury (Student)
> <hamzaf at sabanciuniv.edu> wrote:
> > Hello,
> >
> > I want to average each 10 trials of 100 trials.
> > I don't know what to put in (cfg.trials)
> >
> > I tried cfg.trials = [1:10; 1:10]; and cfg.trials = [1:10; 11:20];
> >
> > It does not work?
> >
> > Note: at the end I want to have a cell of 10 matices, not just one
> matrix.
> >
> > Any thoughts?
> >
> > Best,
> >
> > --
> > Hamza Fawzi Altakroury
> > Graduate student - MA
> > Faculty of Engineering and Natural Sciences
> > Sabancı University
> >
> > _______________________________________________
> > fieldtrip mailing list
> > fieldtrip at donders.ru.nl
> > http://mailman.science.ru.nl/mailman/listinfo/fieldtrip
>
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-- 
Hamza Fawzi Altakroury
Graduate student - MA
Faculty of Engineering and Natural Sciences
Sabancı University
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