[R] selecting values that are unique, instead of selecting unique values

[Gabor Grothendieck]

On Wed, Jun 25, 2008 at 12:19 PM, Daren Tan <daren76 at hotmail.com> wrote:
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> unique(c(1:10,1)) gives 1:10 (i.e. unique values), is there any method to get only 2:10 (i.e. values that are unique) ?
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Try this:

setdiff(x, x[duplicated(x)])