org.tribuo.common.tree

Interface Node<T extends Output<T>>

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractTrainingNode, ClassifierTrainingNode, JointRegressorTrainingNode, LeafNode, RegressorTrainingNode, SplitNode

public interface Node<T extends Output<T>>
extends Serializable

A node in a decision tree.

Method Summary

Modifier and Type	Method and Description
Node<T>	copy() Copies the node and it's children.
double	getImpurity() The impurity score of this node.
Node<T>	getNextNode(SparseVector example) Returns the next node in the tree based on the supplied example, or null if it's a leaf.
boolean	isLeaf() Is it a leaf node?

Method Detail

isLeaf

boolean isLeaf()

Is it a leaf node?

Returns:

True if it's a leaf node.

getNextNode

Node<T> getNextNode(SparseVector example)

Returns the next node in the tree based on the supplied example, or null if it's a leaf.

Parameters:

example - The example.

Returns:

The next node down in the tree.

getImpurity

double getImpurity()

The impurity score of this node.

Returns:

The node impurity.

copy

Node<T> copy()

Copies the node and it's children.

Returns:

A deep copy.