R: Size of trees in an ensemble

treesize {randomForest} | R Documentation

## Size of trees in an ensemble

### Description

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

### Usage

    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)`.

### Author(s)

Andy Liaw andy\_liaw@merck.com

### See Also

`randomForest`

### Examples

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

[Package randomForest version 4.6-14 Index]