edu.ucla.stat.SOCR.distributions
Class RandomVariable

java.lang.Object
  edu.ucla.stat.SOCR.distributions.RandomVariable

public class RandomVariable
extends java.lang.Object

Constructor Summary

RandomVariable(Distribution d)
Special constructor: create a new random variable with a specified probability distribution and the name X

RandomVariable(Distribution d, java.lang.String n)
General constructor: create a new random variable with a specified probability distribution and name

Method Summary

Distribution	getDistribution() Get the probability distribution
IntervalData	getIntervalData() Get the data distribution
java.lang.String	getName() Get the name of the random variable
double	getValue() Get the current value of the random variable
void	reset() Reset the data distribution
void	sample() Simulate a value of the probability distribution and assign the value to the data distribution
void	setDistribution(Distribution d) Assign the probability distribution and create a corresponding data distribution
void	setName(java.lang.String n) Assign a name to the random variable
void	setValue(double x) Assign a value to the random variable
double	simulate() Simulate a value of the probability distribution, assign the value to the data distribution and return the value

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomVariable

public RandomVariable(Distribution d,
                      java.lang.String n)

General constructor: create a new random variable with a specified probability distribution and name

RandomVariable

public RandomVariable(Distribution d)

Special constructor: create a new random variable with a specified probability distribution and the name X

Method Detail

setDistribution

public void setDistribution(Distribution d)

Assign the probability distribution and create a corresponding data distribution

getDistribution

public Distribution getDistribution()

Get the probability distribution

getIntervalData

public IntervalData getIntervalData()

Get the data distribution

setValue

public void setValue(double x)

Assign a value to the random variable

getValue

public double getValue()

Get the current value of the random variable

sample

public void sample()

Simulate a value of the probability distribution and assign the value to the data distribution

simulate

public double simulate()

Simulate a value of the probability distribution, assign the value to the data distribution and return the value

reset

public void reset()

Reset the data distribution

getName

public java.lang.String getName()

Get the name of the random variable

setName

public void setName(java.lang.String n)

Assign a name to the random variable