Package weka.classifiers.rules

Class JRip.NumericAntd

java.lang.Object

weka.classifiers.rules.JRip.Antd

weka.classifiers.rules.JRip.NumericAntd

All Implemented Interfaces:

Serializable, Copyable, RevisionHandler, WeightedInstancesHandler

Enclosing class:

JRip

public class JRip.NumericAntd
extends JRip.Antd

The antecedent with numeric attribute

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
NumericAntd(Attribute a)	Constructor

Method Summary

Modifier and Type	Method	Description
Object	copy()	Implements Copyable
boolean	covers(Instance inst)	Whether the instance is covered by this antecedent
String	getRevision()	Returns the revision string.
double	getSplitPoint()	Get split point of this numeric antecedent
Instances[]	splitData(Instances insts, double defAcRt, double cl)	Implements the splitData function.
String	toString()	Prints this antecedent

Methods inherited from class weka.classifiers.rules.JRip.Antd

getAccu, getAccuRate, getAttr, getAttrValue, getCover, getMaxInfoGain

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

NumericAntd

public NumericAntd(Attribute a)

Constructor

Method Details

getSplitPoint

public double getSplitPoint()

Get split point of this numeric antecedent

Returns:

the split point of this numeric antecedent

copy

public Object copy()

Implements Copyable

Specified by:

copy in interface Copyable

Specified by:

copy in class JRip.Antd

Returns:

a copy of this object

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 String toString()

Prints this antecedent

Specified by:

toString in class JRip.Antd

Returns:

a textual description of this antecedent

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Overrides:

getRevision in class JRip.Antd

Returns:

the revision