nas: NA predicates

In imanuelcostigan/predrcats: Predicate Functions with Sane Interfaces and Behaviours

Description

is_na returns TRUE if x are all NA and otherwise FALSE. Meanwhile any_na returns TRUE if x contains any NAs (but not recursively to lists and pairlists), otherwise FALSE, while is_scalar_na returns TRUE if x is singular NA.

Usage

is_na(x)

is_scalar_na(x)

any_na(x)

Arguments

x	object to test

Examples

is_na(c(1, NA))
is_na(NA)
any_na(c(1, NA))
any_na(list(1, list(1, NA)))

imanuelcostigan/predrcats documentation built on May 18, 2019, 4:45 a.m.