v1<-c("a","b","c","d")
v2<-c("a","b","e")
v3<-c("a","f","g")
I want to get the intersection of v1,v2,v3,ie "a"
How can I do then?
What I know is only for 2 vectors via "intersect" function,but don't know how
to deal with multiple vectors.
Many thanks
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