[R] vlookup type function
Berend Hasselman
bhh at xs4all.nl
Tue Feb 28 17:24:06 CET 2012
On 28-02-2012, at 16:32, Priyan Fernando wrote:
> Hi
>
> I''m looking for an Excel Vlookup type function in R.
>
> Example:
> list <- c(1,2,3,4,5,6,7)
> base <- c(2.2,3,5.2)
>
> What I want is, for each number in base, the highest value in list,
> which is equal to or less than the number in base
>
> So the results would be:
>
> base list
> 2.2 ------> 2
> 3 ------> 3
> 5.2 ------> 5
Don't use "list" as an object name. It is a standard R function.
vlist <- c(1,2,3,4,5,6,7)
base <- c(2.2,3,5.2)
findInterval(base, vlist)
Berend
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