Check Logical
Checks if logical using
is.logical(x)
chk_logical(x, x_name = NULL) vld_logical(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_ function throws an informative error if the test fails.
The vld_ function returns a flag indicating whether the test was met.
vld_logical: Validate Logical
Other chk_typeof:
chk_character_or_factor(),
chk_character(),
chk_double(),
chk_environment(),
chk_factor(),
chk_integer(),
chk_list()
# chk_logical
chk_logical(TRUE)
try(chk_logical(1))
# vld_logical
vld_logical(TRUE)
vld_logical(matrix(TRUE))
vld_logical(logical(0))
vld_logical(NA)
vld_logical(1)
vld_logical("TRUE")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.