hex.tree.uplift

Class ChiSquaredDivergence

java.lang.Object

water.Iced<Divergence>

hex.tree.uplift.Divergence

hex.tree.uplift.EuclideanDistance

hex.tree.uplift.ChiSquaredDivergence

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable<Divergence>

public class ChiSquaredDivergence
extends EuclideanDistance

See Also:

Serialized Form

Field Summary

Fields inherited from class hex.tree.uplift.Divergence

ZERO_TO_DIVIDE

Constructor Summary

Constructors

Constructor and Description
ChiSquaredDivergence()

Method Summary

Modifier and Type	Method and Description
double	metric(double prCT1, double prCT0) Calculate distance divergence metric between two probabilities.

Methods inherited from class hex.tree.uplift.EuclideanDistance

norm

Methods inherited from class hex.tree.uplift.Divergence

gain, node, split, value

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

ChiSquaredDivergence

public ChiSquaredDivergence()

Method Detail

metric

public double metric(double prCT1,
                     double prCT0)

Description copied from class: Divergence

Calculate distance divergence metric between two probabilities.

Overrides:

metric in class EuclideanDistance

Returns:

distance divergence metric