weka.classifiers.rules

Class JRip.Antd

java.lang.Object

weka.classifiers.rules.JRip.Antd

All Implemented Interfaces:

java.io.Serializable, Copyable, RevisionHandler, WeightedInstancesHandler

Direct Known Subclasses:

JRip.NominalAntd, JRip.NumericAntd

Enclosing class:

JRip

public abstract class JRip.Antd
extends java.lang.Object
implements WeightedInstancesHandler, Copyable, java.io.Serializable, RevisionHandler

The single antecedent in the rule, which is composed of an attribute and the corresponding value. There are two inherited classes, namely NumericAntd and NominalAntd in which the attributes are numeric and nominal respectively.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double	accu The accurate data for this antecedent in the growing data
protected double	accuRate The accurate rate of this antecedent test on the growing data
protected Attribute	att The attribute of the antecedent
protected double	cover The coverage of this antecedent in the growing data
protected double	maxInfoGain The maximum infoGain achieved by this antecedent test in the growing data
protected double	value The attribute value of the antecedent.

Constructor Summary

Constructors

Constructor and Description
Antd(Attribute a) Constructor

Method Summary

Modifier and Type	Method and Description
abstract java.lang.Object	copy() Implements Copyable
abstract boolean	covers(Instance inst)
double	getAccu()
double	getAccuRate()
Attribute	getAttr()
double	getAttrValue()
double	getCover()
double	getMaxInfoGain()
java.lang.String	getRevision() Returns the revision string.
abstract Instances[]	splitData(Instances data, double defAcRt, double cla)
abstract java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

att

protected Attribute att

The attribute of the antecedent

value

protected double value

The attribute value of the antecedent. For numeric attribute, value is either 0(1st bag) or 1(2nd bag)

maxInfoGain

protected double maxInfoGain

The maximum infoGain achieved by this antecedent test in the growing data

accuRate

protected double accuRate

The accurate rate of this antecedent test on the growing data

cover

protected double cover

The coverage of this antecedent in the growing data

accu

protected double accu

The accurate data for this antecedent in the growing data

Constructor Detail

Antd

public Antd(Attribute a)

Constructor

Method Detail

splitData

public abstract Instances[] splitData(Instances data,
                                      double defAcRt,
                                      double cla)
                               throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

covers

public abstract boolean covers(Instance inst)

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object

copy

public abstract java.lang.Object copy()

Implements Copyable

Specified by:

copy in interface Copyable

Returns:

a copy of this object

getAttr

public Attribute getAttr()

getAttrValue

public double getAttrValue()

getMaxInfoGain

public double getMaxInfoGain()

getAccuRate

public double getAccuRate()

getAccu

public double getAccu()

getCover

public double getCover()

getRevision

public java.lang.String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Returns:

the revision