weka.classifiers.rules
Class JRip.NumericAntd

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

All Implemented Interfaces:

Copyable, java.io.Serializable, WeightedInstancesHandler

Enclosing class:

JRip

private class JRip.NumericAntd

extends JRip.Antd

The antecedent with numeric attribute

Field Summary

protected double	accu
protected double	accuRate
protected Attribute	att
protected double	cover
protected double	maxInfoGain
private double	splitPoint
protected double	value

Constructor Summary

JRip.NumericAntd(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()
double	getSplitPoint()
Instances[]	splitData(Instances insts, 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

splitPoint

private double splitPoint

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.NumericAntd

public JRip.NumericAntd(Attribute a)

Method Detail

getSplitPoint

public double getSplitPoint()

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 insts,
                             double defAcRt,
                             double cl)

Implements the splitData function. This procedure is to split the data into two bags according to the information gain of the numeric attribute value The maximum infoGain is also calculated.

Specified by:

splitData in class JRip.Antd

Parameters:

insts - 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()