[R] Recode numbers

[Pete Brecknock]

Lisa wrote:
> 
> Dear all,
> 
> I have two sets of numbers that look like
> 
> a <- c(1, 2, 3, 3, 4, 4, 5, 6, 1, 2, 2, 3, 1, 2, 1, 2, 3, 3, 4, 5, 1, 2,
> 3, 4)
> 
> b <- c(1, 5, 8, 9, 14, 20, 3, 10, 12, 6, 16, 7, 11, 13, 17, 18, 2, 4, 15,
> 19)
> 
> I just want to use “b” to encode “a” so that “a” looks like
> 
> a1<- c(1, 5, 8, 8, 9, 9, 14, 20, 3, 10, 10, 12, 6, 16, 7, 11, 13, 13, 17,
> 18, 2, 4, 15, 19)
> 
> Does anyone have a suggestion how to deal with this? Thank you in advance.
> 
> Lisa
> 

is a1 = b[a] what you are looking for?

HTH

Pete


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