[FieldTrip] Averaging trials (ft_timelockanalysis)

[Hamza Fawzi Altakroury (Student)]

Thanks a lot Stephen for your help,

Hamza


On Thu, May 3, 2012 at 12:20 PM, Stephen Whitmarsh <
stephen.whitmarsh at gmail.com> wrote:

> Dear Hamza,
>
> Actually, the statistic functions DO accept cellstructures of
> datastructures, and what I suggested is therefor very convenient,
> especially in that regard.
> Please take a look at http://fieldtrip.fcdonders.nl/walkthrough. I
> would recommend walking through it from the beginning, but you could
> take a particular look at the statistics section. In there I try to
> explain the data structure handling in detail which deals with your
> question.
>
> Cheers,
> Stephen
>
> On 3 May 2012 11:09, Hamza Fawzi Altakroury (Student)
> <hamzaf at sabanciuniv.edu> wrote:
> > 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
> >> >
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> >>
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> >
> >
> >
> >
> > --
> > 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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