An Introduction to Ensemble Methods for Data Analysis (Revised July, 2004)
- Author(s): Berk, Richard
- et al.
This paper provides an introduction to ensemble statistical procedures as a special case of algorithmic methods. The discussion beings with classification and regression trees (CART) as a didactic device to introduce many of the key issues. Following the material on CART is a consideration of cross-validation, bagging, random forests and boosting. Major points are illustrated with analyses of real data.