[R] compare 2 vectors

[Antonio, Fabio Di Narzo]

setdiff(b, a)

2007/6/28, João Fadista <Joao.Fadista a agrsci.dk>:
> Dear all,
>
> I would like to take out the values from one vector that are equal to the values in another vector.
>
> Example:
> a <- c(1,2,3,4,5,6,7,8,9)
> b <- c(3,10,20,5,6)
> b_noRepeats = c(10,20)
>
> So I would like to have the vector b without the same values as vector a.
>
>
> Kind regards,
> João Fadista
>
>
>
>
>
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>
>
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-- 
Antonio, Fabio Di Narzo
Ph.D. student at
Department of Statistical Sciences
University of Bologna, Italy