util_count_missing {assertions}

Count the number of missing values in a vector

Description

This function returns the number of missing values (NA) in the input vector.

Usage

util_count_missing(x)

Arguments

x

A vector.

Value

The number of missing values in the input vector.

Examples

if(interactive()){
util_count_missing(c(1, 2, 3))  # returns 0
util_count_missing(c(1, NA, 2))  # returns 1
}