Just use vect_2_id as a subsetting index for vect_1, ie:
vect_2<-vect_1[vect_2_id]
Vincy Pyne 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
>
>
>
>
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>
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