.BG
.FN rev
.TL
Reverse the Order of Elements in a Vector
.CS
rev(x)
.AG x
vector.
.NA
.RT
vector like `x' but with the order of data values
reversed (the last value in `x' is the first value in the
result).
.EX
rev(sort(y))    # sort y in descending order
.KW manip
.WR
