Multi-collinearity
Variance Inflation and
Orthogonalization in Regression
Dr. Chong Ho Yu
(2008)
Navigation
SAS Tips Menu
Simplified Navigation
Table of Contents
Search Engine
Contact
Introduction
Objectives
Collinearity and VIF
Analogy in the variable space
Analogy in the subject space
The problem of too many variables
Mathematical dependence and logical dependence
Orthogonalization
Deviation scores
Polynomial regression
References
