check_levels: Check Levels

In checkr: Check the Properties of Common R Objects

Description

Checks the levels in a factor including the order and whether other levels are permitted.

Usage

check_levels(x, levels, exclusive = TRUE, order = TRUE,
  x_name = substitute(x), error = TRUE)

Arguments

x	The object to check.
levels	A character vector of the levels.
exclusive	A flag indicating whether other levels are not permitted.
order	A flag indicating whether the object levels have to occur in the same order as names. To check whether x is an ordered factor use check_vector(x, ordered(1)).
x_name	A string of the name of the object.
error	A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.

Value

An invisible copy of x (if it doesn't throw an error).

See Also

check_nlevels and check_vector

Examples

check_levels(1, c("x", "y"), error = FALSE)
check_levels(factor(1), c("x", "y"), error = FALSE)

checkr documentation built on May 1, 2019, 6:59 p.m.