splus2R (version 1.3-5)

is.missing: Check for missing values

Description

Check to see whether the input is either NA or a vector of length 0.

Usage

is.missing(x)

Value

TRUE if the input is a vector of length 0; is.na(x) otherwise.

Arguments

x

object to check.

See Also

anyMissing.

Examples

is.missing(numeric(0))
is.missing(NA)
is.missing(c(1,2,3,NA,5))