edu.ucla.stat.SOCR.distributions
Class LocationScaleDistribution

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

All Implemented Interfaces:

IValueSettable, Pluginable, java.util.Observer

public class LocationScaleDistribution
extends Distribution

This class applies a location-scale tranformation to a given distribution. In terms of the corresponding random variable X, the transformation is Y = a + bX

Field Summary

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

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

Constructor Summary

LocationScaleDistribution(Distribution d, double a, double b)
This general constructor creates a new location-scale transformation on a given distribuiton with given location and scale parameters

Method Summary

double	getCDF(double x) This method returns the cumulative distribution function
double	getDensity(double x) This method defines the getDensity function
double	getMaxDensity() This method returns the maximum value of the getDensity function
double	getMean() This mtehod returns the mean
double	getQuantile(double p) This method returns the getQuantile function
double	getVariance() This method returns the variance
void	setParameters(Distribution d, double a, double b) This method sets the parameters: the distribution and the location and scale parameters
double	simulate() This method returns a simulated value from the distribution

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, getOnlineDescription, getPGF, getPGFDomain, 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

LocationScaleDistribution

public LocationScaleDistribution(Distribution d,
                                 double a,
                                 double b)

This general constructor creates a new location-scale transformation on a given distribuiton with given location and scale parameters

Method Detail

setParameters

public void setParameters(Distribution d,
                          double a,
                          double b)

This method sets the parameters: the distribution and the location and scale parameters

getDensity

public double getDensity(double x)

This method defines 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 mtehod returns the mean

Overrides:

getMean in class Distribution

getVariance

public double getVariance()

This method returns the variance

Overrides:

getVariance in class Distribution

simulate

public double simulate()

This method returns a simulated value from the distribution

Overrides:

simulate in class Distribution

getCDF

public double getCDF(double x)

This method returns the cumulative distribution function

Overrides:

getCDF in class Distribution

getQuantile

public double getQuantile(double p)

This method returns the getQuantile function

Overrides:

getQuantile in class Distribution