biz.k11i.xgboost.tree

Class RegTreeNodeStat

java.lang.Object

biz.k11i.xgboost.tree.RegTreeNodeStat

All Implemented Interfaces:

ai.h2o.algos.tree.INodeStat, java.io.Serializable

public class RegTreeNodeStat
extends java.lang.Object
implements ai.h2o.algos.tree.INodeStat, java.io.Serializable

Statistics for node in tree.

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
float	getBaseWeight()
float	getCover()
float	getGain()
int	getLeafCount()
float	getWeight()

Methods inherited from class java.lang.Object

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

Method Detail

getWeight

public float getWeight()

Specified by:

getWeight in interface ai.h2o.algos.tree.INodeStat

getGain

public float getGain()

Returns:

loss chg caused by current split

getCover

public float getCover()

Returns:

sum of hessian values, used to measure coverage of data

getBaseWeight

public float getBaseWeight()

Returns:

weight of current node

getLeafCount

public int getLeafCount()

Returns:

number of child that is leaf node known up to now