Re: [R] Matching two vectors

From: Sarah Goslee <sarah.goslee_at_gmail.com>
Date: Tue, 15 Mar 2011 16:16:54 -0400

vect_1[vect_2_id]

and perhaps a readthrough of some of the very nice intro to R materials available online.

Sarah

On Tue, Mar 15, 2011 at 3:41 PM, Vincy Pyne <vincy_pyne_at_yahoo.ca> wrote:
> Dear R helpers
>
> Suppose I have a vector as
>
> vect_1 = c("AAA", "AA", "A", "BBB", "BB", "B", "CCC")
>
> vect_1_id = c(1:length(vect_1))
>
> Through some process I obtain
>
> vect_2_id = c(2, 3, 7), then I need a new vector say vect_2 which will give me
>
> vect2 = ("AA", "A", "CCC")  i.e. I need the subset of vect_1 as per vect_2_id.
>
> Thanking in advance
>
> Regards
>
> Vincy
>
>
>
>

-- 
Sarah Goslee
http://www.functionaldiversity.org

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Received on Tue 15 Mar 2011 - 20:21:45 GMT

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