R: Check if a specific numeric value occurs in a vector.

is.in

R Documentation

Check if a specific numeric value occurs in a vector.

Description

Another trivial helper function, called internally by eval.paths. It checks whether the specified (numeric) value is part of a specified vector of (numeric) values.

Usage

is.in(x, c = NULL)

Arguments

`x`	A numeric value, for which the presence in a vector is to be checked.
`c`	A vector of numeric values.

Value

Boolean; TRUE if value is present, FALSE if not.

Author(s)