Check if an object contains missing values

Description

Supported are atomic types (see is.atomic), lists and data frames. Missingness is defined as NA or NaN for atomic types and data frame columns, NULL is defined as missing for lists.

Usage

allMissing(x)

anyMissing(x)

Arguments

Value

[logical(1)] Returns TRUE if any (anyMissing) or all (allMissing) elements of x are missing (see details), FALSE otherwise.

Examples

allMissing(1:2)
allMissing(c(1, NA))
allMissing(c(NA, NA))
anyMissing(c(1, 1))
anyMissing(c(1, NA))
anyMissing(list(1, NULL))