Mike wrote:
Hi, there,
Suppose I have two vector say x=c(1 2 3 4 5) and y=(2 3 6 7). Then I want to combine these two vector together and get z=c(1 2 3 4 5 6 7) with 2 and 3 only appear once.
union(x,y)
R provides several set operators. See ?union.
Christophe Pallier
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