has_missing {tester}

Has missing values, NA, NaN, Inf

Description

has_missing and has_NA tests if there are missing values (NA)
has_infinite and has_Inf tests if there are infinite values (Inf, -Inf)
has_not_a_number and has_NaN tests if there are 'Not a Number' (NaN)
has_nas tests if there are any of the previous ones

Usage

  has_missing(x)

Arguments

x

an R object

Examples

has_missing(1:5) # FALSE
has_missing(c(1, 2, 3, 4, NA)) # TRUE

has_infinite(c(1, 2, Inf, 1/0))
has_infinite(c(-Inf, "infinite"))

has_not_a_number(c(1, 2, 3)) # FALSE
has_not_a_number(c(1, 0/0, 3)) # TRUE
has_not_a_number(c(NaN, pi, log(1))) # TRUE