| detect_const_cols | Detect if any column of a data.frame has constant values. |
| detect_dupl_cols | Detect if any column of a data.frame is a duplicate of another |
| frequency_table | Generate frequency of each entry in each column of dataframe |
| glimpse_to_file | Generate glimpse of dataset |
| level_of_data | Determine the level / primary key of dataset |
| percentiles_table | Generate percentiles for entire dataframe |