Chromosome

java.lang.Object
- keel.Algorithms.UnsupervisedLearning.AssociationRules.IntervalRuleLearning.Alatasetal.Chromosome

All Implemented Interfaces:

java.lang.Comparable
```
public class Chromosome
extends java.lang.Object
implements java.lang.Comparable
```
It is used for representing and handling a Chromosome throughout the evolutionary learning

Since:

JDK1.6

Version:

1.0

Author:

Written by Nicolò Flugy Papè (Politecnico di Milano) 24/03/2009, Modified by Diana Martín (dmartin@ceis.cujae.edu.cu)

Field Summary

Fields
Modifier and Type Field and Description

int nAnts

Fields
Modifier and Type	Field and Description
`int`	`nAnts`

Constructor Summary

Constructors
Constructor and Description

Chromosome(Gene[] genes)
It creates a new chromosome by setting up its genes

Constructors
Constructor and Description
`Chromosome(Gene[] genes)` It creates a new chromosome by setting up its genes

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addCoveredTID(int tid)` It adds a dataset records to the list of records being covered by a chromosome
`int`	`compareTo(java.lang.Object chr)` It compares a chromosome with another one in order to accomplish ordering later.
`Chromosome`	`copy()` It allows to clone correctly a chromosome
`boolean`	`equals(Chromosome chr)` It indicates whether some other chromosome is "equal to" this one
`void`	`forceConsistency()` It checks whether a chromosome always contains at least one antecedent gene as well as at least one consequent gene.
`double`	`getAntecedentSupport()`
`double`	`getConsequentSupport()`
`java.util.ArrayList<java.lang.Integer>`	`getCoveredTIDs()` It indicates the dataset records which have been covered by a chromosome
`double`	`getFitness()` It returns the fitness of a chromosome
`Gene`	`getGene(int i)` It returns the "i-th" gene of a chromosome
`Gene[]`	`getGenes()` It returns the genes of a chromosome
`java.util.ArrayList<java.lang.Integer>`	`getIndexOfAntecedentGenes()` It indicates the genes which act as antecedents within a chromosome
`java.util.ArrayList<java.lang.Integer>`	`getIndexOfConsequentGenes()` It indicates the genes which act as consequents within a chromosome
`java.util.ArrayList<java.lang.Integer>`	`getIndexOfInvolvedGenes()` It indicates the genes which are involved to form an association rule later
`java.util.ArrayList<java.lang.Integer>`	`getIndexOfNotInvolvedGenes()` It indicates the genes which are excluded to form an association rule later
`int`	`getnAnts()`
`double`	`getRuleCF()`
`double`	`getRuleConfidence()` It returns the confidence of the association rule represented by a chromosome
`double`	`getRuleConv()`
`double`	`getRuleLift()`
`double`	`getRuleNetconf()`
`double`	`getRuleSupport()` It returns the support of the association rule represented by a chromosome
`double`	`getRuleYulesQ()`
`boolean`	`isSubChromo(Chromosome chromo2)`
`void`	`setAntecedentSupport(double antecedentSupport)`
`void`	`setConsequentSupport(double consequentSupport)`
`void`	`setFitness(double fitness)` It sets the fitness for a chromosome
`void`	`setnAnts(int ants)`
`void`	`setRuleCF(double ruleCF)`
`void`	`setRuleConfidence(double ruleConfidence)` It sets the confidence of the association rule represented by a chromosome
`void`	`setRuleConv(double ruleConv)`
`void`	`setRuleLift(double ruleLift)`
`void`	`setRuleNetconf(double ruleNetconf)`
`void`	`setRuleSupport(double ruleSupport)` It sets the support of the association rule represented by a chromosome
`void`	`setRuleYulesQ(double ruleYulesQ)`
`java.lang.String`	`toString()` It returns a string representation of a chromosome

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

- Field Detail
  - nAnts
```
public int nAnts
```
- Constructor Detail
  - Chromosome
```
public Chromosome(Gene[] genes)
```
    It creates a new chromosome by setting up its genes
    
    Parameters:
    
    genes - The array of genes that the chromosome must handle
- Method Detail
  - copy
```
public Chromosome copy()
```
    It allows to clone correctly a chromosome
    
    Returns:
    
    A copy of the chromosome
  - setFitness
```
public void setFitness(double fitness)
```
    It sets the fitness for a chromosome
    
    Parameters:
    
    fitness - The fitness value of the chromosome
  - getFitness
```
public double getFitness()
```
    It returns the fitness of a chromosome
    
    Returns:
    
    The fitness value of the chromosome
  - setRuleSupport
```
public void setRuleSupport(double ruleSupport)
```
    It sets the support of the association rule represented by a chromosome
    
    Parameters:
    
    ruleSupport - The value representing the rule support
  - getRuleSupport
```
public double getRuleSupport()
```
    It returns the support of the association rule represented by a chromosome
    
    Returns:
    
    A value representing the rule support
  - setRuleConfidence
```
public void setRuleConfidence(double ruleConfidence)
```
    It sets the confidence of the association rule represented by a chromosome
    
    Parameters:
    
    ruleConfidence - The value representing the rule confidence
  - getRuleConfidence
```
public double getRuleConfidence()
```
    It returns the confidence of the association rule represented by a chromosome
    
    Returns:
    
    A value representing the rule confidence
  - getGenes
```
public Gene[] getGenes()
```
    It returns the genes of a chromosome
    
    Returns:
    
    An array of genes for the chromosome being considered
  - getGene
```
public Gene getGene(int i)
```
    It returns the "i-th" gene of a chromosome
    
    Parameters:
    
    i - The index of the gene
    
    Returns:
    
    The "i-th" gene of the chromosome being considered
  - getIndexOfInvolvedGenes
```
public java.util.ArrayList<java.lang.Integer> getIndexOfInvolvedGenes()
```
    It indicates the genes which are involved to form an association rule later
    
    Returns:
    
    An array of IDs for the involved genes
  - getIndexOfNotInvolvedGenes
```
public java.util.ArrayList<java.lang.Integer> getIndexOfNotInvolvedGenes()
```
    It indicates the genes which are excluded to form an association rule later
    
    Returns:
    
    An array of IDs for the excluded genes
  - getIndexOfAntecedentGenes
```
public java.util.ArrayList<java.lang.Integer> getIndexOfAntecedentGenes()
```
    It indicates the genes which act as antecedents within a chromosome
    
    Returns:
    
    An array of IDs for the genes acting as antecedents
  - getIndexOfConsequentGenes
```
public java.util.ArrayList<java.lang.Integer> getIndexOfConsequentGenes()
```
    It indicates the genes which act as consequents within a chromosome
    
    Returns:
    
    An array of IDs for the genes acting as consequents
  - addCoveredTID
```
public void addCoveredTID(int tid)
```
    It adds a dataset records to the list of records being covered by a chromosome
    
    Parameters:
    
    tid - The ID of the covered record in the dataset
  - getCoveredTIDs
```
public java.util.ArrayList<java.lang.Integer> getCoveredTIDs()
```
    It indicates the dataset records which have been covered by a chromosome
    
    Returns:
    
    An array of IDs representing the covered records in the dataset
  - forceConsistency
```
public void forceConsistency()
```
    It checks whether a chromosome always contains at least one antecedent gene as well as at least one consequent gene. If not, it forces this constraint by randomly altering some of its genes
  - compareTo
```
public int compareTo(java.lang.Object chr)
```
    It compares a chromosome with another one in order to accomplish ordering later. The comparison is achieved by only considering fitness values. For this reason, note that this method provides a natural ordering that is inconsistent with equals
    
    Specified by:
    
    compareTo in interface java.lang.Comparable
    
    Parameters:
    
    obj - The object to be compared
    
    Returns:
    
    A negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object
  - equals
```
public boolean equals(Chromosome chr)
```
    It indicates whether some other chromosome is "equal to" this one
    
    Parameters:
    
    obj - The reference object with which to compare
    
    Returns:
    
    True if this chromosome is the same as the argument; False otherwise
  - toString
```
public java.lang.String toString()
```
    It returns a string representation of a chromosome
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    A string representation of the chromosome
  - getRuleLift
```
public double getRuleLift()
```
  - setRuleLift
```
public void setRuleLift(double ruleLift)
```
  - getRuleCF
```
public double getRuleCF()
```
  - setRuleCF
```
public void setRuleCF(double ruleCF)
```
  - getRuleConv
```
public double getRuleConv()
```
  - setRuleConv
```
public void setRuleConv(double ruleConv)
```
  - getRuleNetconf
```
public double getRuleNetconf()
```
  - setRuleNetconf
```
public void setRuleNetconf(double ruleNetconf)
```
  - getAntecedentSupport
```
public double getAntecedentSupport()
```
  - setAntecedentSupport
```
public void setAntecedentSupport(double antecedentSupport)
```
  - getConsequentSupport
```
public double getConsequentSupport()
```
  - setConsequentSupport
```
public void setConsequentSupport(double consequentSupport)
```
  - getRuleYulesQ
```
public double getRuleYulesQ()
```
  - setRuleYulesQ
```
public void setRuleYulesQ(double ruleYulesQ)
```
  - getnAnts
```
public int getnAnts()
```
  - setnAnts
```
public void setnAnts(int ants)
```
  - isSubChromo
```
public boolean isSubChromo(Chromosome chromo2)
```

Class Chromosome

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

nAnts

Constructor Detail

Chromosome

Method Detail

copy

setFitness

getFitness

setRuleSupport

getRuleSupport

setRuleConfidence

getRuleConfidence

getGenes

getGene

getIndexOfInvolvedGenes

getIndexOfNotInvolvedGenes

getIndexOfAntecedentGenes

getIndexOfConsequentGenes

addCoveredTID

getCoveredTIDs

forceConsistency

compareTo

equals

toString

getRuleLift

setRuleLift

getRuleCF

setRuleCF

getRuleConv

setRuleConv

getRuleNetconf

setRuleNetconf

getAntecedentSupport

setAntecedentSupport

getConsequentSupport

setConsequentSupport

getRuleYulesQ

setRuleYulesQ

getnAnts

setnAnts

isSubChromo