Displaying 1 result from an estimated 1 matches for "tp3436584p3437614".
2011 Apr 08
5
duplicates() function
I need a function which is similar to duplicated(), but instead of
returning TRUE/FALSE, returns indices of which element was duplicated.
That is,
> x <- c(9,7,9,3,7)
> duplicated(x)
[1] FALSE FALSE TRUE FALSE TRUE
> duplicates(x)
[1] NA NA 1 NA 2
(so that I know that element 3 is a duplicate of element 1, and element
5 is a duplicate of element 2, whereas the others were