declared (version 0.25)

missing_range: Get / Declare missing values

Description

Functions to extract information about the declared missing values, or to declare such values if they are present in the data.

Usage

missing_range(x)
missing_range(x) <- value
missing_values(x)
missing_values(x) <- value

Value

missing_values() will return a vector of one or more values.

missing_range() will return a numeric vector of length 2.

Arguments

x

A vector.

value

Any vector of values that should be declared as missing (for missing_values) or a numeric vector of length two giving the (inclusive) extents of the range of missing values (for missing_range).

Examples

x <- declared(c(-2, 1:5, -1),
    labels = c(Good = 1, Bad = 5, DK = -1, NotApplicable = -2),
    na_values = c(-1, -2)
)
x

missing_values(x)

missing_range(x) <- c(-10, -7)

missing_range(x)