y[which(x %in% z)]
On 3/16/2011 10:42 AM, Vincy Pyne wrote:
> Dear R helpers
>
> Suppose,
>
> x = c(0, 1, 2, 3)
>
> y = c("A", "B", "C", "D")
>
> z = c(1, 3)
>
> For given values of z, I need to the values of y. So I should get "B" and
> "D".
>
> I tried doing
>
> y[x][z] but it gives
>
>> y[x][z]
> [1] "A" "C"
>
> Kindly guide.
>
> Regards
>
> Vincy
>
>
>
> [[alternative HTML version deleted]]
>
>
>
>
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