biz.k11i.xgboost.tree

Class RegTreeNode

java.lang.Object

biz.k11i.xgboost.tree.RegTreeNode

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

RegTreeImpl.Node

public abstract class RegTreeNode
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RegTreeNode()

Method Summary

Methods

Modifier and Type	Method and Description
abstract boolean	default_left()
abstract float	getLeafValue()
abstract int	getLeftChildIndex()
abstract int	getParentIndex()
abstract int	getRightChildIndex()
abstract float	getSplitCondition()
abstract int	split_index()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegTreeNode

public RegTreeNode()

Method Detail

getParentIndex

public abstract int getParentIndex()

Returns:

Index of node's parent

getLeftChildIndex

public abstract int getLeftChildIndex()

Returns:

Index of node's left child node

getRightChildIndex

public abstract int getRightChildIndex()

Returns:

Index of node's right child node

getSplitCondition

public abstract float getSplitCondition()

Returns:

Split condition on the node, if the node is a split node. Leaf nodes have this value set to NaN

getLeafValue

public abstract float getLeafValue()

Returns:

Predicted value on the leaf node, if the node is leaf. Otherwise NaN

default_left

public abstract boolean default_left()

Returns:

True if default direction for unrecognized values is the LEFT child, otherwise false.

split_index

public abstract int split_index()

Returns:

Index of domain category used to split on the node