Several references to simple linear models and even improper linear models, so I will recommend this paper: Dawes, The Robust Beauty of Improper Linear Models.

Several references to simple linear models and even improper linear models, so I will recommend this paper: Dawes, The Robust Beauty of Improper Linear Models. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.188.5825&rep=rep1&type=pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.188...