Check Factor — chk_factor • chk

Checks if factor using

is.factor(x)

chk_factor(x, x_name = NULL)

vld_factor(x)

Arguments

x: The object to check.
x_name: A string of the name of object x or NULL.

Value

The chk_ function throws an informative error if the test fails or returns the original object if successful so it can used in pipes.

The vld_ function returns a flag indicating whether the test was met.

Functions

vld_factor(): Validate Factor

See also

For more details about the use of this function, please read the article vignette("chk-families").

Other factor_checkers: chk_character_or_factor()

Examples

# chk_factor
chk_factor(factor("1"))
try(chk_factor("1"))
#> Error in eval(expr, envir) : `"1"` must be factor.
# vld_factor
vld_factor(factor("1"))
#> [1] TRUE
vld_factor(factor(0))
#> [1] TRUE
vld_factor("1")
#> [1] FALSE
vld_factor(1L)
#> [1] FALSE