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

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

All Implemented Interfaces:

TargetFunction

public class RingClusteringFunction
extends java.lang.Object
implements TargetFunction

Generates a data set for two attributes. The data build three rings which are around each other.

Version:

$Id: RingClusteringFunction.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

Field Summary

private double	bound
private Attribute	label
private RandomGenerator	random

Constructor Summary

RingClusteringFunction()

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

Field Detail

bound

private double bound

label

private Attribute label

random

private RandomGenerator random

Constructor Detail

RingClusteringFunction

public RingClusteringFunction()

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