[R] Extracting subset of a vector

[Peter Dalgaard]

Megh Dal wrote:
> I have 2 vecros :
> x<-c(100,96,88,100,100,96,80,68,92,96,88,92,68,84,84,88,72,88,72,88)
> x1 = sample(x, 5, replace=FALSE)
>
> Now i want to get remaining values of vector "x" those are not member of vector "x1". Can anyone please tell me how to do that?
>
>   
x[!(x %in% x1)]  should do it. (Had it not been for  the duplicates, 
setdiff(x,x1) should work too.)

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