articleJan 1, 2015Closed access

An Introduction to Recursive Partitioning Using the RPART Routines

Abstract

3 Building the tree 5 3.1 Splitting criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Incorporating losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2.1 Generalized Gini index . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2.2 Altered priors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.3 Example: Stage C prostate cancer (class method) . . . . . . . . . . . . . . 10 3.4 Variable importance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Authors

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Topics & keywords

Keywords
  • Mathematics
  • Prior probability
  • Recursive partitioning
  • Variable (mathematics)
  • Class (philosophy)
  • Tree (set theory)
  • Index (typography)
  • Statistics
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