? duplicated
!duplicated(a.ord, fromLast = TRUE)
HTH,
Michael
On Tue, May 15, 2012 at 9:37 PM, Axel Urbiz wrote:
> Dear List,
>
> How can I get a logical vector as shown by a.ord.last below (i.e., it is
> FALSE whenever there are subsequent equal values of an ordered vector and
> FALSE otherwi
Dear List,
How can I get a logical vector as shown by a.ord.last below (i.e., it is
FALSE whenever there are subsequent equal values of an ordered vector and
FALSE otherwise)?
a <- c(1,1,2,1,3,4,3,5,6)
a.ord <- a[order(a)]
a.ord
a.ord.last <- c(F, F, T, T, F, T, T, T, T)
Thanks for any help
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