Plots the results of each node of a conditional inference tree

Plots the results of each node of a partykit conditional inference tree with boxplots (regression) or lollipops (binary classification) .

NodeTreePlot(ct)

Arguments

ct

A tree of class constparty (as returned by ctree from partykit package).

Value

A ggplot2 object.

References

Hothorn T, Hornik K, Van De Wiel MA, Zeileis A. "A lego system for conditional inference". The American Statistician. 60:257–263, 2006.

Hothorn T, Hornik K, Zeileis A. "Unbiased Recursive Partitioning: A Conditional Inference Framework". Journal of Computational and Graphical Statistics, 15(3):651-674, 2006.

Author

Nicolas Robette

See also

ctree

Examples

  data(iris)
  iris2 = iris
  iris2$Species = factor(iris$Species == "versicolor")
  iris.ct = partykit::ctree(Species ~ ., data = iris2)
  NodeTreePlot(iris.ct)