| table_alt | A function to explore response alternatives in a data frame |
| table_non_resp | A function that return proportion of missing values in a data frame |
| table_non_resp_2 | A function that return absolute vaules of missing values in a data frame |
| table_unga | A function for cross tabulation. |
| table_unga_general | Function to cross tabulate all variables in a data frame |