ChiSquareProbabilityDistribution







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org.statcato.statistics

Class ChiSquareProbabilityDistribution

java.lang.Object
org.statcato.statistics.ProbabilityDistribution
org.statcato.statistics.ChiSquareProbabilityDistribution



public class ChiSquareProbabilityDistributionextends ProbabilityDistribution



Chi Square probability distribution class.




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











Constructor Summary


ChiSquareProbabilityDistribution(double v)


          Constructor, given the degrees of freedom


 






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.



 double
inverseCumulativeProbability(double area)


          Returns the inverse cumulative probability.


 


Methods inherited from class org.statcato.statistics.ProbabilityDistribution


inverseCumulativeProbability


 


Methods inherited from class java.lang.Object


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


 








Constructor Detail




ChiSquareProbabilityDistribution

public ChiSquareProbabilityDistribution(double v)

Constructor, given the degrees of freedom


Parameters:v - degrees of freedom








Method Detail




density

public double density(double x)

Returns the density of the distribution at x.


Specified by:density in class ProbabilityDistribution


Parameters:x -
Returns:probability density at x





cumulativeProbability

public double cumulativeProbability(double x)

Returns the cumulative probabililty up to x.


Specified by:cumulativeProbability in class ProbabilityDistribution


Parameters:x -
Returns:cumulative probability P(












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