Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between ...

Last month we explored how to model a simple relationship between two variables, such as the dependence of weight on height 1. In the more realistic scenario of dependence on several variables, we can ...

This is a preview. Log in through your library . Abstract In a traditional regression-discontinuity design (RDD), units are assigned to treatment on the basis of a cutoff score and a continuous ...

The statistical literature and folklore contain many methods for handling missing explanatory variable data in multiple linear regression. One such approach is to incorporate into the regression model ...

At times it is desirable to have independent variables in the model that are qualitative rather than quantitative. This is easily handled in a regression framework. Regression uses qualitative ...