extracting row labels (?) from a data.frame

Question

Starting with a data.frame...

df = data.frame(k=c(1,5,4,7,6), v=c(3,1,4,1,5))
> df
  k v
1 1 3
2 5 1
3 4 4
4 7 1
5 6 5

I might run some numb

Answer 1

I think you're looking for rownames.