is.blank: Determine if a value has NA or zero-length character...

Description Usage Arguments Value

Description

Determine if a value has NA or zero-length character elements, or is NULL

Usage

1
is.blank(value)

Arguments

value

the value to test

Value

a boolean vector of the same length as value, whose elements are TRUE if the corresponding element in value is NA or zero-length character, and FALSE otherwise. If value is NULL, then a singleton TRUE vector is returned.


dwapi documentation built on May 1, 2019, 11:18 p.m.