(R) How can I get the complement of vector y in vector x

Posted by gd047 on Stack Overflow See other posts from Stack Overflow or by gd047
Published on 2010-03-21T17:11:15Z Indexed on 2010/03/21 17:11 UTC
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That's x \ y using mathematical notation. Suppose

x <- c(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,2,1,1,1,3) 
y <- c(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1)

How can I get a vector with ALL the values in x that are not in y. i.e the result should be:

2,1,1,3

There is a similar question here. However, none of the answers returns the result that I want.

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