| clean | Clean column data to a class |
| clean.data.frame | Clean column data to a class |
| clean_character | Clean column data to a class |
| clean_Date | Clean column data to a class |
| clean_factor | Clean column data to a class |
| clean_logical | Clean column data to a class |
| clean_numeric | Clean column data to a class |
| format_datetime | Readable date format to POSIX |
| freq | Frequency table |
| freq.Date | Frequency table |
| freq.default | Frequency table |
| freq.factor | Frequency table |
| freq.hms | Frequency table |
| freq.matrix | Frequency table |
| freq.numeric | Frequency table |
| freq.table | Frequency table |
| header | Frequency table |
| is.freq | Frequency table |
| print.freq | Frequency table |
| regex_false | Regular expressions for 'TRUE' and 'FALSE' |
| regex_true | Regular expressions for 'TRUE' and 'FALSE' |
| regex_true_false | Regular expressions for 'TRUE' and 'FALSE' |
| top_freq | Frequency table |
| unclean | Example data that is not clean |