edu.ucla.stat.SOCR.distributions
Class WalkPositionDistribution

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

All Implemented Interfaces:

IValueSettable, Pluginable, java.util.Observer

public class WalkPositionDistribution
extends Distribution

Field Summary

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

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

Constructor Summary

WalkPositionDistribution()
This default constructor creates a new WalkPositionDistribution with time parameter 10 and probability p.

WalkPositionDistribution(int n, double p)
This general constructor creates a new distribution with specified time and probability parameters.

Method Summary

double	getDensity(double x) This method computes the density function.
double	getMaxDensity() This method returns the maximum value of the density function.
double	getMean() This method computes the mean.
java.lang.String	getOnlineDescription() This method returns an online description of this distribution.
double	getProbability() This method returns the probability of a step to the right.
double	getSteps() This method returns the number of steps.
double	getVariance() This method computes the variance.
void	setParameters(int n, double p) This method sets the time and probability parameters.
double	simulate() This method simulates a value from the distribution.

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, initialize, inverseCDF, logGamma, paramEstimate, perm, sampleMean, sampleVar, setApplet, setDomain, setDomain, setMGFDomain, setMGFDomain, setMGFParameters, setMGFParameters, setMGFParameters, setMGFParameters, setParameters, setPGFDomain, setPGFDomain, setPGFParameters, setPGFParameters, setPGFParameters, setPGFParameters, update, valueChanged, 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

WalkPositionDistribution

public WalkPositionDistribution(int n,
                                double p)

This general constructor creates a new distribution with specified time and probability parameters.

WalkPositionDistribution

public WalkPositionDistribution()

This default constructor creates a new WalkPositionDistribution with time parameter 10 and probability p.

Method Detail

setParameters

public void setParameters(int n,
                          double p)

This method sets the time and probability parameters.

getDensity

public double getDensity(double x)

This method computes the density function.

Specified by:

getDensity in class Distribution

getMaxDensity

public double getMaxDensity()

This method returns the maximum value of the density 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

getSteps

public double getSteps()

This method returns the number of steps.

getProbability

public double getProbability()

This method returns the probability of a step to the right.

simulate

public double simulate()

This method simulates a value from the distribution.

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