[R] Sequence from 2 Vectors

[Joshua Wiley]

Hi Suphajak,

There are probably cleaner ways, but you can try this:

a <- c(1,2,3)
c <- unlist(lapply(a, function(x) {seq(from = x, to = x+2)}))
c
[1] 1 2 3 2 3 4 3 4 5

HTH,

Josh

On Mon, Jul 19, 2010 at 8:25 PM, Suphajak Ngamlak
<Suphajak at phatrasecurities.com> wrote:
> I would like to create a vector that is a sequence from 2 vectors. Could
> anyone provide suggestion on this?
>
> For example
>
>> a<-c(1,2,3)
>> b<-a+2
>> b
> [1] 3 4 5
>
> I would like to have a vector that is a sequence which starting from a
> and ending at b
>
> c = c(1:3,2:4,3:5)
> c = c(1,2,3,2,3,4,3,4,5)
>
> Thank you
>
> Best Regards,
>
> Suphajak Ngamlak
> Equity and Derivatives Trading
> Phatra Securities Public Company Limited
> Tel: +662-305-9179
> Email: suphajak at phatrasecurities.com
>
>
>
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>
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>



-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/