ca.pfv.spmf.algorithms.sequentialpatterns.spam

Class PrefixVMSP

java.lang.Object

ca.pfv.spmf.algorithms.sequentialpatterns.spam.PrefixVMSP

public class PrefixVMSP
extends java.lang.Object

Implementation of a prefix sequence as a list of itemsets as used by the VMSP algorithm as used by the VMSP algorithm. Copyright (c) 2008-2012 Philippe Fournier-Viger 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 .

Constructor Summary

Constructors

Constructor and Description
PrefixVMSP() Default constructor

Method Summary

Modifier and Type	Method and Description
void	addItemset(Itemset itemset) Add an itemset to that sequence
PrefixVMSP	cloneSequence() Make a copy of that sequence
boolean	containsItem(java.lang.Integer item)
Itemset	get(int index) Get the itemset at a given position
int	getItemOccurencesTotalCount() Return the sum of the total number of items in this sequence
java.util.List<Itemset>	getItemsets() Get the list of itemsets in this sequence
java.lang.Integer	getIthItem(int i) Get the ith item in this sequence (no matter in which itemset)
void	print() Print this sequence to System.out.
int	size() Get the number of elements in this sequence
java.lang.String	toString() Return a string representation of this sequence

Methods inherited from class java.lang.Object

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

Constructor Detail

PrefixVMSP

public PrefixVMSP()

Default constructor

Method Detail

cloneSequence

public PrefixVMSP cloneSequence()

Make a copy of that sequence

Returns:

a copy of that sequence

addItemset

public void addItemset(Itemset itemset)

Add an itemset to that sequence

Parameters:

itemset -

print

public void print()

Print this sequence to System.out.

toString

public java.lang.String toString()

Return a string representation of this sequence

Overrides:

toString in class java.lang.Object

getItemsets

public java.util.List<Itemset> getItemsets()

Get the list of itemsets in this sequence

Returns:

A list of itemsets.

get

public Itemset get(int index)

Get the itemset at a given position

Parameters:

index - the position

Returns:

the itemset

getIthItem

public java.lang.Integer getIthItem(int i)

Get the ith item in this sequence (no matter in which itemset)

Parameters:

i - the position

Returns:

the item

size

public int size()

Get the number of elements in this sequence

Returns:

the number of elements.

getItemOccurencesTotalCount

public int getItemOccurencesTotalCount()

Return the sum of the total number of items in this sequence

containsItem

public boolean containsItem(java.lang.Integer item)