Michael H. Graham, Confronting Multicollinearity in Ecological Multiple Regression, Ecology, Vol. 84, No. 11 (Nov., 2003), pp. 2809-2815 ...

A technique called ridge regression is presented as a method for analyzing models containing multicollinearity. Multicollinearity is described as an often overlooked, but significant and pervasive ...

This course is an applied introduction to econometrics. Its aim is to introduce students to the principles of estimation, statistical inference, and the central tool of regression.