Function to check if month is missing while year and day are non-missing (i.e. would be in the format of "yyyy---dd") — missing_month • sdtmchecks

Function to check if month is missing while year and day are non-missing (i.e. would be in the format of "yyyy---dd")

missing_month(date)

Arguments

date: date vector (character) in the format 2020-01-20

Value

vector