rev {base} | R Documentation |
rev
provides a reversed version of its argument.
It can be used in combination with
sort
to obtain vectors sorted into descending order.
rev(x)
x |
a vector. |
x <- c(1:5,5:3) # sort into descending order rev(sort(x)) stopifnot(rev(1:7) == 7:1)#- don't need `rev' here