Crews, Hugh B.; Boos, Dennis D.; Stefanski, Leonard A. - In: Computational Statistics & Data Analysis 55 (2011) 6, pp. 2026-2037
Most variable selection techniques focus on first-order linear regression models. Often, interaction and quadratic terms are also of interest, but the number of candidate predictors grows very fast with the number of original predictors, making variable selection more difficult. Forward...