org.apache.spark.ml.tree

Class InternalNode

Object

org.apache.spark.ml.tree.Node

org.apache.spark.ml.tree.InternalNode

All Implemented Interfaces:

java.io.Serializable

public class InternalNode
extends Node

Internal Decision Tree node. param: prediction Prediction this node would make if it were a leaf node param: impurity Impurity measure at this node (for training data) param: gain Information gain value. Values less than 0 indicate missing values; this quirk will be removed with future updates. param: leftChild Left-hand child node param: rightChild Right-hand child node param: split Information about the test used to split to the left or right child.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
double	gain()
double	impurity() Impurity measure at this node (for training data)
Node	leftChild()
double	prediction() Prediction a leaf node makes, or which an internal node would make if it were a leaf node
Node	rightChild()
Split	split()
static int	subtreeToString$default$1()
String	toString()

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

fromOld

Methods inherited from class Object

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

Method Detail

subtreeToString$default$1

public static int subtreeToString$default$1()

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

impurity

public double impurity()

Description copied from class: Node

Impurity measure at this node (for training data)

Specified by:

impurity in class Node

gain

public double gain()

leftChild

public Node leftChild()

rightChild

public Node rightChild()

split

public Split split()

toString

public String toString()

Overrides:

toString in class Object