Repeating entries in match in R

Question

In the following example, there is repeating entries in the second vector. How do I make R to tell me the position of both appearances of 5, please?

 match(5, c(1,2,9,5,3,6,7,4,5))

`which( duplicated(v) | duplicated(v, fromLast=T) )` is a more general solution, and will automatically detect and catch *all* duplicated values, not just a single specific value (e.g. 5) — smci, Aug 16 '18 at 23:39

score 0 · Answer 1 · answered Aug 16 '18 at 23:05

0

Use the which function:

which(c(1,2,9,5,3,6,7,4,5) == 5)

answered Aug 16 '18 at 23:05

SmitM

1 Answers1