IntPoisson (jasima 3.0.0-RC1 API)

java.lang.Object
- jasima.core.random.continuous.DblSequence
- - jasima.core.random.discrete.IntSequence
  - - jasima.core.random.discrete.IntDistribution
    - - jasima.core.random.discrete.IntPoisson

All Implemented Interfaces:

Serializable, Cloneable
```
public class IntPoisson
extends IntDistribution
```
This class implements a discrete number stream following a Poisson distribution. It is parameterized by its mean.

Author:

Torsten Hildebrandt

See Also:

Poisson distribution (Wikipedia), Poisson distribution (MathWorld), Serialized Form

Field Summary
- Fields inherited from class jasima.core.random.continuous.DblSequence
  rndGen

Constructor Summary

Constructors
Constructor Description

IntPoisson()

IntPoisson(double mean)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getMean()`
`protected void`	`setDistribution(org.apache.commons.math3.distribution.IntegerDistribution distribution)`	Sets the discrete distribution to use.
`void`	`setMean(double mean)`	The mean of the Poisson distribution.
`String`	`toString()`

Methods inherited from class jasima.core.random.discrete.IntDistribution
getDistribution, getNumericalMean, getValueRange, nextInt

Methods inherited from class jasima.core.random.discrete.IntSequence
clone, nextDbl

Methods inherited from class jasima.core.random.continuous.DblSequence
createStreamDefFromStream, getName, getRndGen, init, max, min, setName, setRndGen

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - IntPoisson
```
public IntPoisson()
```
  - IntPoisson
```
public IntPoisson(double mean)
```
- Method Detail
  - setDistribution
```
protected void setDistribution(org.apache.commons.math3.distribution.IntegerDistribution distribution)
```
    Description copied from class: IntDistribution
    
    Sets the discrete distribution to use.
    
    Overrides:
    
    setDistribution in class IntDistribution
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class IntDistribution
  - getMean
```
public double getMean()
```
  - setMean
```
public void setMean(double mean)
             throws org.apache.commons.math3.exception.NotPositiveException
```
    The mean of the Poisson distribution.
    
    Parameters:
    
    mean - The value to use.
    
    Throws:
    
    org.apache.commons.math3.exception.NotPositiveException - If mean was <=0.