What does the reference line at lift = 1 corresponds to?
A. The predicted lift for the best 50% of validation data cases
B. The predicted lift if the entire population is scored as event cases
C. The predicted lift if none of the population are scored as event cases
D. The predicted lift if 50% of the population are randomly scored as event cases
Answer:B
What does the reference line at lift = 1 corresponds to?
A. The predicted lift for the best 50% of validation data cases B. The predicted lift if the entire population is scored as event cases C. The predicted lift if none of the population are scored as event cases D. The predicted lift if 50% of the population are randomly scored as event cases