Decision Trees Decision Tree template condition 1 rule 1 rule 2 rule n condition 2 rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n condition n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n rule 1 rule 2 rule n action(s)

Decision Tables Rules Conditions Actions etc etc etc.. Decision Table template

Decision Table Example #1 Rules Conditions Actions Percent >=90% 89% >= Percent >= 80% 79% >= Percent >= 70% 69% >= Percent >= 60% 59% >= Percent Grade = A Grade = B Grade = C Grade = D Grade = F YXYX YXYX YXYX YXYX YXYX Do the conditions cover all possible cases?

Decision Table Example #2 Rules Conditions Actions Registration Fee = 0? Payment Type Credit Card # Input? C.C. Expire Date Input? C.C. Cardholder Name Input? Bank Check Number Input? Remarks by User Input? Activate POST Button Deactivate POST Button ……... Y-----YXY-----YX N Cash - X N Check - Y - X N CrCd Y - X X……..