| find_dupes | Identify duplicate cases |
| inspect_birthday | Inspect birthday-component of a string |
| inspect_birthdaymonth | Inspect birthday- and birthmonth-component of a string |
| inspect_birthmonth | Inspect birthmonth-component of a string |
| inspect_characterid | Inspect if a string matches an expected pattern |
| inspect_numberid | Inspect if a number has the expected length |
| inspect_valinvec | Inspect if a value is in a recode map |
| purge_string | Purge strings in a data frame |
| recode_valinvec | Recode a variable |
| sailor_keys | key data on students from the sailor moon universe |
| sailor_students | assessment data on students from the sailor moon universe |