SAS Institute Related Exams
A00-240 Exam
Refer to the lift chart:

What does the reference line at lift = 1 corresponds to?
An analyst knows that the categorical predictor, zip_code, is an important predictor of a binary target. However, zip_code has too many levels to be a feasible predictor in a model. The analyst uses PROC CLUSTER to implement Greenacre's method to reduce the number of categorical levels.
What is the correct application of Greenacre's method in this situation?