ca.pfv.spmf.algorithms.frequentpatterns.upgrowth_ihup

Class Itemset

java.lang.Object

ca.pfv.spmf.algorithms.frequentpatterns.upgrowth_ihup.Itemset

public class Itemset
extends java.lang.Object

This class represent an itemset and its exact utility as used by the UPGrowth algorithm. Copyright (c) 2014 Prashant Barhate This file is part of the SPMF DATA MINING SOFTWARE * (http://www.philippe-fournier-viger.com/spmf). SPMF is free software: you can redistribute it and/or modify it under the * terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. SPMF is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with SPMF. If not, see .

See Also:

AlgoUPGrowth

Constructor Summary

Constructors

Constructor and Description
Itemset(int[] itemset) Constructor

Method Summary

Modifier and Type	Method and Description
java.lang.Integer	get(int pos)
int	getExactUtility() Get the exact utility of this itemset
void	increaseUtility(int utility) Increase the utility of this itemset.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

Itemset

public Itemset(int[] itemset)

Constructor

Parameters:

itemset - the itemset

Method Detail

getExactUtility

public int getExactUtility()

Get the exact utility of this itemset

Returns:

the exat utility

increaseUtility

public void increaseUtility(int utility)

Increase the utility of this itemset.

Parameters:

utility - the amount of utility to be added (int).

get

public java.lang.Integer get(int pos)

size

public int size()