javax.datamining.algorithm.tree
Class TreeHomogeneityMetric

java.lang.Object
  |
  +--javax.datamining.Enum
        |
        +--javax.datamining.algorithm.tree.TreeHomogeneityMetric

All Implemented Interfaces:

java.lang.Comparable, java.io.Serializable

public class TreeHomogeneityMetric

extends Enum

The enumeration TreeHomogeneityMetric represents the goodness measure of a split. These are specific to target type.

Author:

JSR-73 Java Data Mining Expert Group

See Also:

Serialized Form

Field Summary

static TreeHomogeneityMetric	entropy
static TreeHomogeneityMetric	gini
static TreeHomogeneityMetric	meanAbsoluteDeviation
static TreeHomogeneityMetric	meanSquaredError
static TreeHomogeneityMetric	misclassificationRatio
static TreeHomogeneityMetric	systemDefault
static TreeHomogeneityMetric	systemDetermined

Method Summary

static void	addExtension(java.lang.String name) Adds a vendor extension name to TreeHomogeneityMetric.
static TreeHomogeneityMetric	valueOf(java.lang.String name) Returns an instance of TreeHomogeneityMetric corresponding to the specified name.
static TreeHomogeneityMetric[]	values() Returns a list of all TreeHomogeneityMetric enumerations defined.

Methods inherited from class javax.datamining.Enum

compareTo, equals, name

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

entropy

public static final TreeHomogeneityMetric entropy

gini

public static final TreeHomogeneityMetric gini

meanAbsoluteDeviation

public static final TreeHomogeneityMetric meanAbsoluteDeviation

meanSquaredError

public static final TreeHomogeneityMetric meanSquaredError

misclassificationRatio

public static final TreeHomogeneityMetric misclassificationRatio

systemDefault

public static final TreeHomogeneityMetric systemDefault

systemDetermined

public static final TreeHomogeneityMetric systemDetermined

Method Detail

addExtension

public static void addExtension(java.lang.String name)
                         throws JDMException

Adds a vendor extension name to TreeHomogeneityMetric.

Parameters:

name - The name of the unique vendor extension

Throws:

JDMException - When name is an invalid string or redundant to existing standard enums.

valueOf

public static TreeHomogeneityMetric valueOf(java.lang.String name)
                                     throws JDMException

Returns an instance of TreeHomogeneityMetric corresponding to the specified name.

Parameters:

name - The name of the enumeration value

Returns:

TreeHomogeneityMetric - The instance of the specified enumeration.

Throws:

JDMException - When name is not valid.

values

public static TreeHomogeneityMetric[] values()

Returns a list of all TreeHomogeneityMetric enumerations defined.

Returns:

TreeHomogeneityMetric[]