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java.lang.Objectjhplot.math.num.pdf.DiscreteDistribution
jhplot.math.num.pdf.Poisson
public class Poisson
The Poisson distribution.
References:
Constructor Summary | |
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Poisson()
Default distribution. |
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Poisson(double m)
Create a distribution with the given mean. |
Method Summary | |
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double |
cumulativeProbability(int x)
The CDF for this distribution. |
double |
getMean()
Access the mean. |
int |
inverseCumulativeProbability(double p)
The inverse CDF for this distribution. |
double |
probability(int x)
The PMF for this distribution. |
void |
setMean(double m)
Modify the mean. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Poisson()
public Poisson(double m)
m
- the mean.Method Detail |
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public double cumulativeProbability(int x) throws NumericException
cumulativeProbability
in class DiscreteDistribution
x
- the value at which the CDF is evaluated.
NumericException
- if the cumulative probability can not be
computed.public int inverseCumulativeProbability(double p) throws NumericException
inverseCumulativeProbability
in class DiscreteDistribution
p
- the cumulative probability.
NumericException
- if the inverse cumulative probability can not be
computed.public double probability(int x)
probability
in class DiscreteDistribution
x
- the value at which the probability is evaluated.
public double getMean()
public void setMean(double m)
m
- the new mean value.
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