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java.lang.Objectorg.statcato.statistics.DiscreteProbabilityDistribution
org.statcato.statistics.PoissonProbabilityDistribution
public class PoissonProbabilityDistribution
Poisson probability distribution class.
Constructor Summary | |
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PoissonProbabilityDistribution(double lambda)
Constructs a poisson probability distribution with the given mean. |
Method Summary | |
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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 org.statcato.statistics.DiscreteProbabilityDistribution |
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inverseCumulativeProbability |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PoissonProbabilityDistribution(double lambda)
lambda
- meanMethod Detail |
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public double density(double x)
density
in class DiscreteProbabilityDistribution
x
-
public double cumulativeProbability(double x)
cumulativeProbability
in class DiscreteProbabilityDistribution
x
-
public java.lang.Double inverseCumulativeProbability(double area)
area
- cumulative probability
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