reverse_vector {bit} | R Documentation |
Returns a reversed copy – with attributes retained.
reverse_vector(x)
x |
an R vector |
This is substantially faster than rev
a reversed vector
x <- factor(letters)
rev(x)
reverse_vector(x)
## Not run:
x <- 1:1e7
system.time(rev(x))
system.time(reverse_vector(x))
## End(Not run)