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public interface PoissonDistribution
Interface representing the Poisson Distribution.
References:
| Method Summary | |
|---|---|
double |
getMean()
Get the mean for the distribution. |
double |
normalApproximateProbability(int x)
Calculates the Poisson distribution function using a normal approximation. |
void |
setMean(double p)
Deprecated. as of v2.1 |
| Methods inherited from interface org.apache.commons.math.distribution.IntegerDistribution |
|---|
cumulativeProbability, cumulativeProbability, inverseCumulativeProbability, probability |
| Methods inherited from interface org.apache.commons.math.distribution.DiscreteDistribution |
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probability |
| Methods inherited from interface org.apache.commons.math.distribution.Distribution |
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cumulativeProbability, cumulativeProbability |
| Method Detail |
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double getMean()
@Deprecated void setMean(double p)
IllegalArgument is thrown.
p - the mean
IllegalArgumentException - if p ≤ 0
double normalApproximateProbability(int x)
throws MathException
x - the upper bound, inclusive
MathException - if an error occurs computing the normal approximation
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