Classifier

java.lang.Object
- keel.Algorithms.Genetic_Rule_Learning.GAssist.Classifier

Direct Known Subclasses:

ClassifierADI, ClassifierGABIL, ClassifierUBR
```
public abstract class Classifier
extends java.lang.Object
```
Base class for all classifiers (knowledge representations)

Since:

JDK1.2

Version:

1.1

Author:

Written by Jaume Bacardit (La Salle, Ramón Llull University - Barcelona) 28/03/2004, Modified by Xavi Solé (La Salle, Ramón Llull University - Barcelona) 23/12/2008

Field Summary

Fields
Modifier and Type	Field and Description
`protected double`	`accuracy`
`protected boolean`	`bloatControlDone`
`protected double`	`exceptionsLength`
`protected double`	`fitness`
`protected boolean`	`isEvaluated`
`protected int`	`numAliveRules`
`protected int`	`numRules`
`protected int`	`positionRuleMatch`
`protected double`	`theoryLength`

Constructor Summary

Constructors
Constructor and Description

Classifier()

Constructors
Constructor and Description
`Classifier()`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`compareToIndividual(Classifier ind)` This function returns true if this individual is better than the the individual passed as a parameter.
`void`	`computePerformance()`
`abstract double`	`computeTheoryLength()`
`abstract Classifier`	`copy()`
`abstract Classifier[]`	`crossoverClassifiers(Classifier _parent2)`
`abstract void`	`deleteRules(int[] whichRules)`
`abstract int`	`doMatch(InstanceWrapper ins)`
`abstract void`	`doMutation()`
`abstract void`	`doSpecialStage(int stage)`
`double`	`getExceptionsLength()`
`double`	`getFitness()`
`boolean`	`getIsEvaluated()`
`abstract double`	`getLength()`
`abstract int`	`getNiche()`
`int`	`getNumAliveRules()`
`abstract int`	`getNumNiches()`
`abstract int`	`getNumRules()`
`int`	`getPositionRuleMatch()` positionRuleMatch contains the position within the classifier (e.g. the rule) that matched the last classified input instance
`double`	`getTheoryLength()`
`abstract void`	`initRandomClassifier()`
`abstract int`	`numSpecialStages()`
`abstract void`	`printClassifier()`
`void`	`resetPerformance()`
`void`	`setAccuracy(double _accuracy)`
`void`	`setExceptionsLength(double _exceptionsLength)`
`void`	`setFitness(double _fitness)`
`void`	`setIsEvaluated(boolean _isEvaluated)`
`void`	`setNumAliveRules(int _numAliveRules)`
`void`	`setPositionRuleMatch(int _positionRuleMatch)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

isEvaluated
```
protected boolean isEvaluated
```

bloatControlDone
```
protected boolean bloatControlDone
```

accuracy
```
protected double accuracy
```

fitness
```
protected double fitness
```

exceptionsLength
```
protected double exceptionsLength
```

theoryLength
```
protected double theoryLength
```

numAliveRules
```
protected int numAliveRules
```

positionRuleMatch
```
protected int positionRuleMatch
```

numRules
```
protected int numRules
```

Constructor Detail
- Classifier
```
public Classifier()
```

Method Detail

initRandomClassifier

public abstract void initRandomClassifier()

doMatch

public abstract int doMatch(InstanceWrapper ins)

getNumRules
```
public abstract int getNumRules()
```

deleteRules

public abstract void deleteRules(int[] whichRules)

crossoverClassifiers

public abstract Classifier[] crossoverClassifiers(Classifier _parent2)

doMutation
```
public abstract void doMutation()
```

copy
```
public abstract Classifier copy()
```

printClassifier

public abstract void printClassifier()

getIsEvaluated
```
public boolean getIsEvaluated()
```

setIsEvaluated

public void setIsEvaluated(boolean _isEvaluated)

setAccuracy

public void setAccuracy(double _accuracy)

getFitness
```
public double getFitness()
```

setFitness

public void setFitness(double _fitness)

getExceptionsLength
```
public double getExceptionsLength()
```

setExceptionsLength

public void setExceptionsLength(double _exceptionsLength)

getNumAliveRules
```
public int getNumAliveRules()
```

setNumAliveRules

public void setNumAliveRules(int _numAliveRules)

resetPerformance
```
public void resetPerformance()
```

computePerformance
```
public void computePerformance()
```

getPositionRuleMatch
```
public int getPositionRuleMatch()
```
positionRuleMatch contains the position within the classifier (e.g. the rule) that matched the last classified input instance

setPositionRuleMatch

public void setPositionRuleMatch(int _positionRuleMatch)

getLength
```
public abstract double getLength()
```

getTheoryLength
```
public double getTheoryLength()
```

computeTheoryLength

public abstract double computeTheoryLength()

compareToIndividual
```
public boolean compareToIndividual(Classifier ind)
```
This function returns true if this individual is better than the the individual passed as a parameter. This comparison can be based on accuracy or a combination of accuracy and size

getNiche
```
public abstract int getNiche()
```

getNumNiches
```
public abstract int getNumNiches()
```

numSpecialStages

public abstract int numSpecialStages()

doSpecialStage

public abstract void doSpecialStage(int stage)

Class Classifier

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

isEvaluated

bloatControlDone

accuracy

fitness

exceptionsLength

theoryLength

numAliveRules

positionRuleMatch

numRules

Constructor Detail

Classifier

Method Detail

initRandomClassifier

doMatch

getNumRules

deleteRules

crossoverClassifiers

doMutation

copy

printClassifier

getIsEvaluated

setIsEvaluated

setAccuracy

getFitness

setFitness

getExceptionsLength

setExceptionsLength

getNumAliveRules

setNumAliveRules

resetPerformance

computePerformance

getPositionRuleMatch

setPositionRuleMatch

getLength

getTheoryLength

computeTheoryLength

compareToIndividual

getNiche

getNumNiches

numSpecialStages

doSpecialStage