ca.pfv.spmf.algorithms.frequentpatterns.estDec

Class estNode

java.lang.Object

ca.pfv.spmf.algorithms.frequentpatterns.estDec.estNode

public class estNode
extends java.lang.Object

This is an implementation of a estTree node. This implementation was made by Azadeh Soltani 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:

Algo_estDec, estTree

Method Summary

Modifier and Type	Method and Description
double	computeSupport(double N) Compute the support of this node as a percentage.
int	getChildIndexWithID(int id) Return the immediate index of the node having a given ID.
estNode	getChildWithID(int id) Return the immediate child of this node having a given ID.
void	update(int k, int value, double d) Update the count of a node

Methods inherited from class java.lang.Object

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

Method Detail

getChildWithID

public estNode getChildWithID(int id)

Return the immediate child of this node having a given ID. If there is no such child, return null;

Parameters:

id - the id

Returns:

the node or null

getChildIndexWithID

public int getChildIndexWithID(int id)

Return the immediate index of the node having a given ID. If there is no such child, return -1;

Parameters:

id -

update

public void update(int k,
                   int value,
                   double d)

Update the count of a node

Parameters:

k - the current transaction id

value - the value to be added to the count

d - the decay rate

computeSupport

public double computeSupport(double N)

Compute the support of this node as a percentage.

Parameters:

N - an integer representing a transaction count.