[R] How do you generate multiple sequences
Uwe Ligges
ligges at statistik.uni-dortmund.de
Thu Dec 23 09:05:29 CET 2004
Mulholland, Tom wrote:
> I thought it would be quite simple to generate a number of sequences, but my only answer is to loop and this doesn't seem in keeping with R's capabilities.
>
> In short I have the start and finish positions of several (well thousands probably) sequences. So I am looking at how do I take
>
> x <- c(2,6,13,20)
> y <- c(4,10,16,24)
>
> and produce a list with four components with the appropriate sequence
>
> Something like
> [[1]]
> [1] 2 3 4
>
> [[2]]
> [1] 6 7 8 9 10
>
> [[3]]
> [1] 13 14 15 16
>
> [[4]]
> [1] 20 21 22 23 24
>
> So can someone point me in the direction of the ******* obvious
See ?seq and ?mapply:
mapply(seq, x, y)
Uwe Ligges
>
>
> Tom Mulholland
> _
> platform i386-pc-mingw32
> arch i386
> os mingw32
> system i386, mingw32
> status
> major 2
> minor 0.0
> year 2004
> month 10
> day 04
> language R
>
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