[R] intersect

[David Winsemius]

On May 11, 2010, at 10:31 PM, Yuan Jian wrote:

> Hi there,
>
> how can I test every element in a vector whether appears in another  
> vector?
> such as
> a<-c("aa", "bb", "ff", "cc")
> b <-c("oo","jj","bb","cc")
>
> somefunction(a,b) gives [False, True, False, True]

The other answers probably gave you what you wanted, but you should  
not leave this exchange thinking that True == TRUE or that False  
=FALSE in R.

-- 

David Winsemius, MD
West Hartford, CT