Introduction. Two Simple Data Mining Methods for Variable Assessment. Logistic Regression: The Workhorse of Database Response Modeling. Ordinary Regression: The Workhorse of Database Profit Modeling. CHAID for Interpreting a Logistic Regression Model. The Importance of the Regression Coefficient. The Predictive Contribution Coefficient: A Measure of Predictive Importance. CHAID for Specifying a Model with Interaction Variables. Market Segment Classification Modeling With Logistic