DiscreteCustomProbabilityDistribution







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org.statcato.statistics

Class DiscreteCustomProbabilityDistribution

java.lang.Object
org.statcato.statistics.DiscreteCustomProbabilityDistribution



public class DiscreteCustomProbabilityDistributionextends java.lang.Object



Discrete probability distribution class with user-specified probabilities for discrete values.




Since:
1.0
Version:
%I%, %G%
Author:
Margaret Yau











Constructor Summary


DiscreteCustomProbabilityDistribution(java.util.Vector<java.lang.Double> values,
java.util.Vector<java.lang.Double> probabilities)


          Construct a discrete probability distribution with custom values and probabilities.


 






Method Summary



 double
cumulativeProbability(double x)


          Returns the cumulative probabililty up to x.



 double
density(double x)


          Returns the density of the distribution at x.



 java.lang.Double
inverseCumulativeProbability(double area)


          Returns the inverse cumulative probability.


 


Methods inherited from class java.lang.Object


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


 








Constructor Detail




DiscreteCustomProbabilityDistribution

public DiscreteCustomProbabilityDistribution(java.util.Vector<java.lang.Double> values,
java.util.Vector<java.lang.Double> probabilities)

Construct a discrete probability distribution with custom values and probabilities.


Parameters:values - a vector of valuesprobabilities - a vector of probabilities corresponding to the values








Method Detail




density

public double density(double x)

Returns the density of the distribution at x.


Parameters:x - an integer
Returns:probability density at x





cumulativeProbability

public double cumulativeProbability(double x)

Returns the cumulative probabililty up to x.


Parameters:x -
Returns:cumulative probability P(












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