?setdiff
## It's a wrapper for ?match
setdiff(v2,v1)
You should go through an R tutorial or two to learn about such handy
basic functionality.
-- Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Sat, Dec 31, 2016 at 10:36 AM, Dan Abner <dan.abne...@gmail.com> 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")
>
> Thanks,
>
> Dan
>
> [[alternative HTML version deleted]]
>
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
