Size of trees in an ensemble — treesize • randomForest

Size of trees (number of nodes) in and ensemble.

treesize(x, terminal=TRUE)

Arguments

x: an object of class randomForest, which contains a forest component.
terminal: count terminal nodes only (TRUE) or all nodes (FALSE

Value

A vector containing number of nodes for the trees in the randomForest object.

Note

The randomForest object must contain the forest component; i.e., created with randomForest(..., keep.forest=TRUE).

See also

Author

Andy Liaw andy_liaw@merck.com

Examples

data(iris)
iris.rf <- randomForest(Species ~ ., iris)
hist(treesize(iris.rf))