missing_values: Get / Declare missing values

In declared: Functions for Declared Missing Values

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

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).

Value

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

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

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)

declared documentation built on Sept. 11, 2024, 5:31 p.m.