On 31/12/2016 1:36 PM, Dan Abner wrote:
Hi all,
I have 2 vectors and need to extract only the elements from v2 that do not
appear in v1. What is the most efficient way to do this?
In the example below, I need to extract "var1".
v1<-"b0"
v2<-c("b0","var1")
setdiff(v2, v1)
Duncan Murdoch
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