Functional Models for Regression Tree Leaves

  title={Functional Models for Regression Tree Leaves},
  author={Lu{\'i}s Torgo},
This paper presents a study about functional models for regression tree leaves. We evaluate experimentall y several alternatives to the averages commonly used in regression trees. We have implemented a regression tree learner (HTL) that is able to use several alternative models in the tree leaves. We study the effect on accuracy and the computational cost of these alternatives. The experiments carried out on 11 data sets revealed that it is possible to significantly outperform the “naive… CONTINUE READING
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