Package org.apache.spark.ml.tree

Class LeafNode

Object

org.apache.spark.ml.tree.Node

org.apache.spark.ml.tree.LeafNode

All Implemented Interfaces:

Serializable

public class LeafNode
extends Node

Decision tree leaf node. param: prediction Prediction this node makes param: impurity Impurity measure at this node (for training data)

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
double	impurity()	Impurity measure at this node (for training data)
double	prediction()	Prediction a leaf node makes, or which an internal node would make if it were a leaf node
String	toString()

Methods inherited from class org.apache.spark.ml.tree.Node

dummyNode, fromOld

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details

impurity

public double impurity()

Description copied from class: Node

Impurity measure at this node (for training data)

Specified by:

impurity in class Node

prediction

public double prediction()

Description copied from class: Node

Prediction a leaf node makes, or which an internal node would make if it were a leaf node

Specified by:

prediction in class Node

toString

public String toString()

Overrides:

toString in class Object