keel.Algorithms.UnsupervisedLearning.AssociationRules.FuzzyRuleLearning.Alcalaetal

Class Itemset

java.lang.Object

keel.Algorithms.UnsupervisedLearning.AssociationRules.FuzzyRuleLearning.Alcalaetal.Itemset

public class Itemset
extends java.lang.Object

It represents an itemset throughout the execution of the algorithm

Since:

JDK1.6

Version:

1.0

Author:

Written by Alvaro Lopez

Constructor Summary

Constructors

Constructor and Description
Itemset() Default constructor

Method Summary

Modifier and Type	Method and Description
void	add(Item item) It allows to add an item into an itemset
java.util.ArrayList<java.lang.Integer>	calculateSupport(FuzzyDataset fuzzyDataset) It computes the support of an itemset
void	changeIdAttr(FuzzyDataset fuzzyDataset) Change attribute ID with the given fuzzy dataset.
Itemset	clone() It allows to clone correctly an itemset
boolean	equals(java.lang.Object obj) It indicates whether some other itemset is "equal to" this one
Item	get(int pos) It returns the item stored at the index "pos" within an itemset
double	getSupport() It returns the support of an itemset
Item	remove(int pos) It allows to remove the item stored at the index "pos" within an itemset
int	size() It returns the number of items contained into an itemset
java.lang.String	toString() It returns a raw string representation of an itemset

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Itemset

public Itemset()

Default constructor

Method Detail

clone

public Itemset clone()

It allows to clone correctly an itemset

Overrides:

clone in class java.lang.Object

Returns:

A copy of the itemset

add

public void add(Item item)

It allows to add an item into an itemset

Parameters:

item - An item to be added into the itemset

get

public Item get(int pos)

It returns the item stored at the index "pos" within an itemset

Parameters:

pos - The index of the item to be returned

Returns:

The item which is stored at the index "pos" of the itemset

remove

public Item remove(int pos)

It allows to remove the item stored at the index "pos" within an itemset

Parameters:

pos - The index of the item to be removed

Returns:

The item which was previously removed from the itemset

size

public int size()

It returns the number of items contained into an itemset

Returns:

A value representing the number of items contained into the itemset

getSupport

public double getSupport()

It returns the support of an itemset

Returns:

A value representing the support of the itemset

calculateSupport

public java.util.ArrayList<java.lang.Integer> calculateSupport(FuzzyDataset fuzzyDataset)

It computes the support of an itemset

Parameters:

fuzzyDataset - The instance of the fuzzy dataset for dealing with its fuzzy transactions

Returns:

An array of integer representing the TIDs covered by the itemset

changeIdAttr

public void changeIdAttr(FuzzyDataset fuzzyDataset)

Change attribute ID with the given fuzzy dataset.

Parameters:

fuzzyDataset - given fuzzy dataset.

equals

public boolean equals(java.lang.Object obj)

It indicates whether some other itemset is "equal to" this one

Overrides:

equals in class java.lang.Object

Parameters:

obj - The reference object with which to compare

Returns:

True if this itemset is the same as the argument; False otherwise

toString

public java.lang.String toString()

It returns a raw string representation of an itemset

Overrides:

toString in class java.lang.Object

Returns:

A raw string representation of the itemset