edu.ucla.stat.SOCR.distributions
Class MatchDistribution

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

All Implemented Interfaces:

IValueSettable, Pluginable, java.util.Observer

public class MatchDistribution
extends Distribution

The distribution of the number of matches in a random permutation

Field Summary

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

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

Constructor Summary

MatchDistribution()
this default constructor creates a new mathcing distribuiton with parameter 5

MatchDistribution(int n)
This general constructor creates a new matching distribution with a specified parameter

Method Summary

double	getDensity(double x) This method computes the getDensity function
double	getMaxDensity() This method gives the maximum value of the getDensity function
double	getMean() This method returns the mean
java.lang.String	getOnlineDescription() This method returns an online description of this distribution.
int	getParameter() This method gets the parameter
double	getVariance() This method returns the variance
void	initialize() used for some subclass to initialize before being used
void	setParameter(int n) This method sets the parameter of the distribution (the size of the random permutation
double	simulate() This method simulates a value from the distribution, by generating a random permutation and computing the number of matches
void	valueChanged()

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

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

MatchDistribution

public MatchDistribution(int n)

This general constructor creates a new matching distribution with a specified parameter

MatchDistribution

public MatchDistribution()

this default constructor creates a new mathcing distribuiton with parameter 5

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(int n)

This method sets the parameter of the distribution (the size of the random permutation

getDensity

public double getDensity(double x)

This method computes the getDensity function

Specified by:

getDensity in class Distribution

getMaxDensity

public double getMaxDensity()

This method gives the maximum value of the getDensity function

Overrides:

getMaxDensity in class Distribution

getMean

public double getMean()

This method returns the mean

Overrides:

getMean in class Distribution

getVariance

public double getVariance()

This method returns the variance

Overrides:

getVariance in class Distribution

getParameter

public int getParameter()

This method gets the parameter

simulate

public double simulate()

This method simulates a value from the distribution, by generating a random permutation and computing the number of matches

Overrides:

simulate in class Distribution

getOnlineDescription

public java.lang.String getOnlineDescription()

This method returns an online description of this distribution.

Overrides:

getOnlineDescription in class Distribution