For example, as we grow our regression tree, we monitor the relative MSE (rMSE) of each split and the amount of decrease a at each split . Splitting at X = 49 improves the rMSE by a = 0.05.

if the output values \(y\) are numbers, we call the problem a regression problem. if instead the output values are a small set of values (like ham/spam, or sunny/cloudy/rainy), then we call it a ...

Course TopicsClassification and regression tree (CART) methods are a class of data mining techniques which constitute an alternative approach to classical regression. CART methods are frequently used ...

Objectives To (i) identify predictors of outcome for the physiotherapy management of shoulder pain and (ii) enable clinicians to subgroup people into risk groups for persistent shoulder pain and ...