rev
Reverse the Order of an Object

### Description

Returns an object with the same length as x but with the elements or components in the reverse order.

### Usage

    rev(x)

### Arguments

x | an object with length. It is usually a vector, but it can also be a list or a general tree structure. Missing values (NA) are allowed.

### Details

The rev function is generic; currently there is a default method.
Value
returns an object that is the same type as the input, with the difference that it reverses the order of the elements. That is, the last value in x becomes the first value in the returned object. All attributes, except class, names, and row.names are removed.
See Also
c, list, rep, hclust, dist, sort.
Examples

    y=runif(5)
    rev(sort(y))    # sort y in descending order
    rev(list(a=1:2, b=5:6)) # same as list(b=5:6, a=1:2)

Package base version 6.1.5-18
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