edu.udo.cs.yale.operator.generator
Class TransactionDatasetFunction

java.lang.Object
  edu.udo.cs.yale.operator.generator.TransactionDatasetFunction

All Implemented Interfaces:

TargetFunction

public class TransactionDatasetFunction
extends java.lang.Object
implements TargetFunction

Generates an Association function transaction dataset. The first four attributes are correlated.

Version:

$Id: TransactionDatasetFunction.java,v 1.3 2006/08/03 14:39:30 ingomierswa Exp $

Author:

Ingo Mierswa

Nested Class Summary

Nested classes/interfaces inherited from interface edu.udo.cs.yale.operator.generator.TargetFunction

TargetFunction.FunctionException

Constructor Summary

TransactionDatasetFunction()

Method Summary

double	calculate(double[] att) Calculates the target function on arguments.
double[]	createArguments(int number, RandomGenerator random) Creates and returns a number of arguments.
Attribute	getLabel() Returns the label attribute.
void	init(RandomGenerator random) Does nothing.
void	setLowerArgumentBound(double lower) Since circles are used the upper and lower bounds must be the same.
void	setTotalNumberOfAttributes(int number) Does nothing.
void	setTotalNumberOfExamples(int number) Does nothing.
void	setUpperArgumentBound(double upper) Sets the upper bound for the arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionDatasetFunction

public TransactionDatasetFunction()

Method Detail

init

public void init(RandomGenerator random)

Does nothing.

Specified by:

init in interface TargetFunction

setTotalNumberOfExamples

public void setTotalNumberOfExamples(int number)

Does nothing.

Specified by:

setTotalNumberOfExamples in interface TargetFunction

setTotalNumberOfAttributes

public void setTotalNumberOfAttributes(int number)

Does nothing.

Specified by:

setTotalNumberOfAttributes in interface TargetFunction

setLowerArgumentBound

public void setLowerArgumentBound(double lower)

Since circles are used the upper and lower bounds must be the same.

Specified by:

setLowerArgumentBound in interface TargetFunction

setUpperArgumentBound

public void setUpperArgumentBound(double upper)

Description copied from interface: TargetFunction

Sets the upper bound for the arguments.

Specified by:

setUpperArgumentBound in interface TargetFunction

getLabel

public Attribute getLabel()

Description copied from interface: TargetFunction

Returns the label attribute.

Specified by:

getLabel in interface TargetFunction

calculate

public double calculate(double[] att)
                 throws TargetFunction.FunctionException

Description copied from interface: TargetFunction

Calculates the target function on arguments.

Specified by:

calculate in interface TargetFunction

Throws:

TargetFunction.FunctionException

createArguments

public double[] createArguments(int number,
                                RandomGenerator random)
                         throws TargetFunction.FunctionException

Description copied from interface: TargetFunction

Creates and returns a number of arguments.

Specified by:

createArguments in interface TargetFunction

Throws:

TargetFunction.FunctionException