search for: gtms

Hello all. I have heard over and over that CART and its various tree-like brethren are "non-parametric" techniques. When I read the chapter in Chambers and Hastie on tree-based models it states that tree-based models can be generalized (GTMs) in a manner similar to GLMs by specifying a different deviance function to distributions other than the gaussian error distribution ( section 9.4.3). I have an application in which the response variable is a continuous variable representing tree counts within a unit area and thus would be best de...