| all_value_diffs | Compare two data frames. Using a key-column common to both tables, see which rows are common and highlight differing values by column. | 
| all_value_diffs.tbcmp_compare | Compare two data frames. Using a key-column common to both tables, see which rows are common and highlight differing values by column. | 
| assert_single_value | Check for existence of multiple values per group | 
| assert_unique | Check for duplicate rows | 
| contents | Show the contents of a data frame | 
| count_dupes | Check for duplicate rows | 
| count_values | Check for existence of multiple values per group | 
| tblcompare | Compare two data frames. Using a key-column common to both tables, see which rows are common and highlight differing values by column. | 
| value_diffs | Compare two data frames. Using a key-column common to both tables, see which rows are common and highlight differing values by column. | 
| value_diffs.tbcmp_compare | Compare two data frames. Using a key-column common to both tables, see which rows are common and highlight differing values by column. |