WizRule is a data auditing tool, based on a data mining technology. WizRule reveals ALL the if-then rules that govern the data, and then points out the cases deviating from the rules.
WizWhy reveals ALL the vallid if-then rules in the data, as well as if-and-only-if rules, and on the basis of these rules: (1) Summarizes the data, (2) Points out interesting phenomena, (3) Issues predictions for new cases.