Suggest range checks
data.frame
, used to generate the checks
character
optionally the subset of variables to be used.
file to which the checks will be written to.
if values in a column > fraction
unique,
the check will be generated.
suggest_unique_check
returns validate::validator()
object with the suggested rules.
write_unique_check
write the rules to file and returns invisibly a named list of checks for each variable.