out: The Opposite of '%in%'
In rmngb: Miscellaneous Collection of Functions for Medical Data Analysis

Description Usage Arguments Details Value Author(s) See Also Examples

Duh.

x %out% y

`x`	vector or NULL: the values to be matched.
`y`	vector or NULL: the values to be matched.

That %out% never returns NA makes it particularly useful in if conditions.

A logical vector of the same length as x, indicating if a match was located for each element of x: thus the values are TRUE or FALSE and never NA.

Antoine Filipovic Pierucci

match. pmatch and charmatch for (partial) string matching, match.arg, etc for function argument matching. findInterval similarly returns a vector of positions, but finds numbers within intervals, rather than exact matches.