| descending {funprog} | R Documentation |
Reverse a sorting function
Description
Transform a function (typically used in sort_by), so that its
ouput can be sorted in descending order.
Usage
descending(f)
Arguments
f |
a function to modify. |
Value
A function returning a numeric vector which, if passed to
order, will be used to sort some data.
Examples
desc_abs <- descending(abs)
x <- -2:1
order(abs(x))
order(desc_abs(x))
[Package funprog version 0.3.0 Index]