Thank you very much for your help!

I used the

split(apkz, cumsum(apkz==1))

command and it worked!

I find the command very interesting and after a bit of thinking I found
out, why the command cusum is used! (Because TRUE equals 1 and FALSE equals
0)

Thanks again!

Marion

2012/2/6 Petr PIKAL <petr.pikal@precheza.cz>

> Hi
>
> >
> > Dear R-helpers,
> >
> >
> > I have got a vector which looks like the following:
> >
> >
> > apkz <- c(1,2,3,4,5,6,1,1,2,1,2,3,4)
> >
> >
> > now I am trying to find a way to automatically create several vectors,
> > each starting with the number 1, namely:
> >
> >
> > First vector
> >
> > 1 2 3 4 5 6
> >
> >
> > Second vector
> >
> > 1
> >
> > Thrid vector
> >
> > 1 2
> >
> > Fourth vector
> >
> > 1 2 3 4
> >
> >
> > Does anyone know how to do that?
>
> This came to my mind as first, but I believe there are other options.
>
> split(apkz, cumsum(apkz==1))
>
> Regards
> Petr
>
> >
> >
> > Thank you very much for your help in advance!
> >
> >
> > Marion
> >
> >    [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>

	[[alternative HTML version deleted]]

