14. The method of claim 13 , the method further comprising: receiving a selection of selected contextual data from the user; and calculating an impact of the selected contextual data on the decision logic; wherein the first graphical indicator shows the impact of the selected contextual data on the decision logic.
15. The method of claim 14 , wherein the impact includes at least one of (i) whether the selected contextual data is used in a rule, the rule being included in the set of rules, (ii) a frequency of usage of the selected contextual data in the decision logic, (iii) a role of the selected contextual data in determining the decision, and (iv) usage information indicating an importance and correlation of the selected contextual data with respect to the decision.