Check Character or Factor

Checks if character or factor using

is.character(x) || is.factor(x)

Usage

chk_character_or_factor(x, x_name = NULL)

vld_character_or_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_character_or_factor(): Validate Character or Factor

See also

is.character()

is.factor()

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

Other data_type_checkers: chk_character(), chk_complex(), chk_double(), chk_environment(), chk_integer(), chk_logical(), chk_numeric(), chk_raw()

Other factor_checkers: chk_factor()

Examples

# chk_character_or_factor
chk_character_or_factor("1")
chk_character_or_factor(factor("1"))
try(chk_character(1))
#> Error in eval(expr, envir) : `1` must be character.
# vld_character_or_factor
vld_character_or_factor("1")
#> [1] TRUE
vld_character_or_factor(matrix("a"))
#> [1] TRUE
vld_character_or_factor(character(0))
#> [1] TRUE
vld_character_or_factor(NA_character_)
#> [1] TRUE
vld_character_or_factor(1)
#> [1] FALSE
vld_character_or_factor(TRUE)
#> [1] FALSE
vld_character_or_factor(factor("text"))
#> [1] TRUE