| All functions | |
|---|---|
| 
 | Clean column data to a class | 
| 
 | Transform to currency | 
| Readable date format to POSIX | |
| Format names and values | |
| Format p values (APA guideline) | |
| Frequency table | |
| Replace NA values | |
| 
 | Transform to percentage | 
| Generate random dates | |
| Regular expressions for  | |
| Example data that is not clean | |