Generalized Additive Models http://www.web.stanford.edu/~hastie/Papers/gam.pdf by Trevor Hastie and Robert Tibshirani Tutorials GAM: The Predictive Modeling Silver Bullet 6.1 - Introduction to Generalized Linear Models Generalised additive models (GAMs): an introduction Michael Clark: Generalized Additive Models Variants Generalized Additive Models with Pairwise Interactions