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Open Access Publications from the University of California

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.

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