Pre-processes voter file by checking zipcode, and any special characters or typos within the address.
add_split_comma(voter_file, address = "address", delimiter = "comma")A voter file containing the address of the voter.
Either "single" or "split". single addresses are one line address that include street, city, state, and zipcode on one line.
The type of delimiter (comma, hyphen, dash) that the address parts are split into.
The voter file with pre-processed format for each address variable.