edu.ucla.stat.SOCR.distributions
Class ParetoDistribution

java.lang.Object
  edu.ucla.stat.SOCR.core.SOCRValueSettable
      edu.ucla.stat.SOCR.core.Distribution
          edu.ucla.stat.SOCR.distributions.ParetoDistribution

All Implemented Interfaces:

IValueSettable, Pluginable, java.util.Observer

public class ParetoDistribution
extends Distribution

This class models the Pareto distribution with a specified parameters (alpha=power; theta=LeftStart). http://en.wikipedia.org/wiki/Pareto_distribution .

Field Summary

Fields inherited from class edu.ucla.stat.SOCR.core.Distribution

applet, CONTINUOUS, DISCRETE, MAXMGFXVAL, MAXMGFYVAL, MINMGFXVAL, MIXED, name

Constructor Summary

ParetoDistribution()
The default constructor creates a new Pareto distribution with parameter 1

ParetoDistribution(double a)

ParetoDistribution(double a, double theta)
This general constructor creates a new Pareto distribuiton with specified parameters, a and theta

Method Summary

double	getCDF(double x) This method comptues the cumulative distribution function
double	getDensity(double x) This method computes the getDensity function
double	getMaxDensity() This method returns the maximum value of the getDensity function
double	getMean() This method computes the mean
java.lang.String	getOnlineDescription() This method returns an online description of this distribution.
double	getParameter() This method returns the parameter
double	getParameter1()
double	getParameter2()
double[]	getParameters()
double	getQuantile(double p) This method computes the getQuantile function
double	getVariance() This method computes the variance
void	initialize() used for some subclass to initialize before being used
void	paramEstimate(double[] distData)
void	setParameter(double a, double theta) This method sets the parameter and computes the default interval
void	valueChanged()

Methods inherited from class edu.ucla.stat.SOCR.core.Distribution

addObserver, betaCDF, comb, factorial, findGFRoot, findRoot, gamma, gammaCDF, getDisplayPane, getDomain, getFailureRate, getGFDerivative, getGFSecondDerivative, getInstance, getLocalHelp, getMean, getMedian, getMGF, getMgfDomain, getName, getPGF, getPGFDomain, getSampleMoment, getSD, getSOCRDistributionFunctors, getSOCRDistributions, getType, getVariance, inverseCDF, logGamma, perm, sampleMean, sampleVar, setApplet, setDomain, setDomain, setMGFDomain, setMGFDomain, setMGFParameters, setMGFParameters, setMGFParameters, setMGFParameters, setParameters, setPGFDomain, setPGFDomain, setPGFParameters, setPGFParameters, setPGFParameters, setPGFParameters, simulate, update, valueChanged

Methods inherited from class edu.ucla.stat.SOCR.core.SOCRValueSettable

createComponentSetter, createValueSetter, createValueSetter, createValueSetter, createValueSetter, getComponentSetter, getComponentSetters, getValueSetter, getValueSetters

Methods inherited from class java.lang.Object

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

Constructor Detail

ParetoDistribution

public ParetoDistribution(double a,
                          double theta)

This general constructor creates a new Pareto distribuiton with specified parameters, a and theta

ParetoDistribution

public ParetoDistribution(double a)

ParetoDistribution

public ParetoDistribution()

The default constructor creates a new Pareto distribution with parameter 1

Method Detail

initialize

public void initialize()

Description copied from class: Distribution

used for some subclass to initialize before being used

Overrides:

initialize in class Distribution

valueChanged

public void valueChanged()

Overrides:

valueChanged in class Distribution

setParameter

public void setParameter(double a,
                         double theta)

This method sets the parameter and computes the default interval

getParameter

public double getParameter()

This method returns the parameter

getParameters

public double[] getParameters()

getParameter1

public double getParameter1()

getParameter2

public double getParameter2()

getDensity

public double getDensity(double x)

This method computes the getDensity function

Specified by:

getDensity in class Distribution

getMaxDensity

public double getMaxDensity()

This method returns the maximum value of the getDensity function

Overrides:

getMaxDensity in class Distribution

getMean

public double getMean()

This method computes the mean

Overrides:

getMean in class Distribution

getVariance

public double getVariance()

This method computes the variance

Overrides:

getVariance in class Distribution

getCDF

public double getCDF(double x)

This method comptues the cumulative distribution function

Overrides:

getCDF in class Distribution

getQuantile

public double getQuantile(double p)

This method computes the getQuantile function

Overrides:

getQuantile in class Distribution

getOnlineDescription

public java.lang.String getOnlineDescription()

This method returns an online description of this distribution.

Overrides:

getOnlineDescription in class Distribution

paramEstimate

public void paramEstimate(double[] distData)

Overrides:

paramEstimate in class Distribution