On Feb 12, 2010, at 5:06 PM, Zoppoli, Gabriele (NIH/NCI) [G] wrote:
Sorry, maybe it's easy but I haven't found anything useful:
how can I obtain a list C that contains all the members in the list
B that are not in list A? This are lists of nanes, not numbers!
> A <- list("a", "b" , "c")
> B <- list("a", "b" , "c", "d")
> C <- setdiff(A,B)
> C
list()
> C <- setdiff(B, A)
> C
[[1]]
[1] "d"
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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