matrixStats (version 0.14.2)

anyMissing: Checks if there are any missing values in an object or not

Description

Checks if there are any missing values in an object or not.

Usage

anyMissing(x, ...)
 colAnyMissings(x, ...)
 rowAnyMissings(x, ...)

Arguments

x

A vector, a list, a matrix, a data.frame, or

...

Not used.

Value

• Returns TRUE if a missing value was detected, otherwise FALSE.

Details

The implementation of this method is optimized for both speed and memory. The method will return TRUE as soon as a missing value is detected.

See Also

Starting with R v3.1.0, there is anyNA() in the base, which provides the same functionality as this function.

Examples

x <- rnorm(n=1000)
 x[seq(300,length(x),by=100)] <- NA
 stopifnot(anyMissing(x) == any(is.na(x)))