Package edu.cmu.tetrad.util.dist

Class Poisson

java.lang.Object

edu.cmu.tetrad.util.dist.Poisson

All Implemented Interfaces:

Distribution, TetradSerializable, Serializable

public class Poisson
extends Object
implements Distribution

Wraps a chi square distribution for purposes of drawing random samples. Methods are provided to allow parameters to be manipulated in an interface.

Author:

Joseph Ramsey

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
String	getName()
int	getNumParameters()
double	getParameter(int index)
String	getParameterName(int index)	The name of the index'th parameter, for display purposes.
double	nextRandom()
static Poisson	serializableInstance()	Generates a simple exemplar of this class to test serialization.
void	setParameter(int index, double value)	Sets the index'th parameter to the given value.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

serializableInstance

public static Poisson serializableInstance()

Generates a simple exemplar of this class to test serialization.

Returns:

The exemplar.

getNumParameters

public int getNumParameters()

Specified by:

getNumParameters in interface Distribution

Returns:

Ibid.

getName

public String getName()

Specified by:

getName in interface Distribution

Returns:

Ibid.

setParameter

public void setParameter(int index,
 double value)

Description copied from interface: Distribution

Sets the index'th parameter to the given value.

Specified by:

setParameter in interface Distribution

Parameters:

index - Ibid. Must be >= 0 and < # parameters.

value - Ibid.

getParameter

public double getParameter(int index)

Specified by:

getParameter in interface Distribution

Parameters:

index - Ibid. Muist be <= 0 and < # parameters.

Returns:

The Ibid.

getParameterName

public String getParameterName(int index)

Description copied from interface: Distribution

The name of the index'th parameter, for display purposes.

Specified by:

getParameterName in interface Distribution

Parameters:

index - Ibid. Must be >= 0 and < # parameters.

Returns:

Ibid.

nextRandom

public double nextRandom()

Specified by:

nextRandom in interface Distribution

Returns:

Ibid.

toString

public String toString()

Overrides:

toString in class Object