keel.Algorithms.Associative_Classification.ClassifierFuzzyCFAR

Class Itemset

java.lang.Object

keel.Algorithms.Associative_Classification.ClassifierFuzzyCFAR.Itemset

public class Itemset
extends java.lang.Object

This class contains the representation of a itemset

Since:

JDK1.5

Version:

1.0

Author:

Jesus Alcalá (University of Granada) 09/02/2010

Constructor Summary

Constructors

Constructor and Description
Itemset() Default Constructor
Itemset(int clas, double MS) Parameters Constructor

Method Summary

Modifier and Type	Method and Description
void	add(Item item) Function to add an item to our itemset
void	calculateSupports(myDataset train) It computes the support, rule support, hits, misses and PER of our itemset for a given dataset
Itemset	clone() Clone function
Item	get(int pos) It returns the item located in the given position of the itemset
int	getClas() It returns the output class of the itemset
double	getSupport() It returns the support of the antecedent of the itemset
double	getSupportClass() It returns the support of the itemset for its related output class
boolean	isEqual(Itemset a) Function to check if an itemset is equal to another given
Item	remove(int pos) Function to remove the item located in the given position
void	setMS(double value) It sets the cut threshold
int	size() It returns the size of the itemset (the number of items it has)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Itemset

public Itemset()

Default Constructor

Itemset

public Itemset(int clas,
               double MS)

Parameters Constructor

Parameters:

clas - Associated output of the Itemset

MS - Cut threshold

Method Detail

clone

public Itemset clone()

Clone function

Overrides:

clone in class java.lang.Object

Returns:

Copy of the Itemset object.

add

public void add(Item item)

Function to add an item to our itemset

Parameters:

item - Element to be added

get

public Item get(int pos)

It returns the item located in the given position of the itemset

Parameters:

pos - Position of the requested item into the itemset

Returns:

The requested item of the itemset

remove

public Item remove(int pos)

Function to remove the item located in the given position

Parameters:

pos - Position of the requested item into the itemset

Returns:

The removed item of the itemset

size

public int size()

It returns the size of the itemset (the number of items it has)

Returns:

Number of items the itemset stores

getSupport

public double getSupport()

It returns the support of the antecedent of the itemset

Returns:

Support of the antecedent of the itemset

getSupportClass

public double getSupportClass()

It returns the support of the itemset for its related output class

Returns:

Support of the itemset for its related output class

getClas

public int getClas()

It returns the output class of the itemset

Returns:

output class of the itemset

setMS

public void setMS(double value)

It sets the cut threshold

Parameters:

value - Value to set the cut threshold (MS)

isEqual

public boolean isEqual(Itemset a)

Function to check if an itemset is equal to another given

Parameters:

a - Itemset to compare with ours

Returns:

boolean true = they are equal, false = they aren't.

calculateSupports

public void calculateSupports(myDataset train)

It computes the support, rule support, hits, misses and PER of our itemset for a given dataset

Parameters:

train - Given training dataset to be able to calculate supports