Checks if character or factor using
is.character(x) || is.factor(x)
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.
See also
Other chk_typeof:
chk_character()
,
chk_count()
,
chk_double()
,
chk_environment()
,
chk_factor()
,
chk_integer()
,
chk_list()
,
chk_logical()
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