weka.classifiers.rules
Class JRip.NominalAntd

java.lang.Object
  weka.classifiers.rules.JRip.Antd
      weka.classifiers.rules.JRip.NominalAntd

All Implemented Interfaces:

Copyable, java.io.Serializable, WeightedInstancesHandler

Enclosing class:

JRip

private class JRip.NominalAntd

extends JRip.Antd

The antecedent with nominal attribute

Field Summary

protected double	accu
private double[]	accurate
protected double	accuRate
protected Attribute	att
protected double	cover
private double[]	coverage
protected double	maxInfoGain
protected double	value

Constructor Summary

JRip.NominalAntd(Attribute a)

Method Summary

java.lang.Object	copy() Implements Copyable
boolean	covers(Instance inst) Whether the instance is covered by this antecedent
double	getAccu()
double	getAccuRate()
Attribute	getAttr()
double	getAttrValue()
double	getCover()
double	getMaxInfoGain()
Instances[]	splitData(Instances data, double defAcRt, double cl) Implements the splitData function.
java.lang.String	toString() Prints this antecedent

Methods inherited from class java.lang.Object

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

Field Detail

accurate

private double[] accurate

coverage

private double[] coverage

att

protected Attribute att

value

protected double value

maxInfoGain

protected double maxInfoGain

accuRate

protected double accuRate

cover

protected double cover

accu

protected double accu

Constructor Detail

JRip.NominalAntd

public JRip.NominalAntd(Attribute a)

Method Detail

copy

public java.lang.Object copy()

Implements Copyable

Specified by:

copy in interface Copyable

Specified by:

copy in class JRip.Antd

splitData

public Instances[] splitData(Instances data,
                             double defAcRt,
                             double cl)

Implements the splitData function. This procedure is to split the data into bags according to the nominal attribute value The infoGain for each bag is also calculated.

Specified by:

splitData in class JRip.Antd

Parameters:

data - the data to be split

defAcRt - the default accuracy rate for data

cl - the class label to be predicted

Returns:

the array of data after split

covers

public boolean covers(Instance inst)

Whether the instance is covered by this antecedent

Specified by:

covers in class JRip.Antd

Parameters:

inst - the instance in question

Returns:

the boolean value indicating whether the instance is covered by this antecedent

toString

public java.lang.String toString()

Prints this antecedent

Specified by:

toString in class JRip.Antd

Returns:

a textual description of this antecedent

getAttr

public Attribute getAttr()

getAttrValue

public double getAttrValue()

getMaxInfoGain

public double getMaxInfoGain()

getAccuRate

public double getAccuRate()

getAccu

public double getAccu()

getCover

public double getCover()