[R] How to get the duplicated elements from a vector?

[Gustaf Rydevik]

On Wed, Oct 29, 2008 at 2:47 PM, Leon Yee <yee.leon at gmail.com> wrote:
> Dear all,
>
>    How can I get the duplicated elements from a vector? For example,
> x <- c("yes", "no", "yes", "yes", "no", "not sure"), how can I filter out
> all the elements which occured >=2 times?
>
>    Thanks for any help!
>
> Regards,
> Leon
>

Hi Leon,

unique(x)

or

duplicated(x)

should work, depending on what you want.

Best,

Gustaf

-- 
Gustaf Rydevik, M.Sci.
tel: +46(0)703 051 451
address:Essingetorget 40,112 66 Stockholm, SE
skype:gustaf_rydevik