.check_no_ard_columns {cards} | R Documentation |
Checks that column names in a passed data frame are not protected, that is,
they do not begin with "...ard_"
and end with "..."
.
.check_no_ard_columns(x, exceptions = "...ard_dummy_for_counting...")
x |
( |
exceptions |
( |
returns invisible if check is successful, throws an error message if not.
data <- data.frame("ard_x" = 1)
cards:::.check_no_ard_columns(data)