[R] Recode numbers

[Lisa]

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


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