bham.leakiest.infotheory

Class RandomSample

java.lang.Object

bham.leakiest.infotheory.RandomSample

public class RandomSample
extends java.lang.Object

This class constructs a probability distribution and offers methods for manipulating the probability distribution.

Version:

1.4.6

Author:

Tom Chothia, Yusuke Kawamoto, Chris Novakovic

Constructor Summary

Constructors

Constructor and Description
RandomSample(double[] pmf_in) Initialises the random sampling from a given array of probability distribution.
RandomSample(ProbDist pd) Initialises the random sampling from a given probability distribution.

Method Summary

Modifier and Type	Method and Description
double	drawFrom() Draws and returns a single value randomly from a given array of PMF.
int	indexOfValueDrawnFrom() Draws and returns the index of a single value randomly from a given array of PMF.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RandomSample

public RandomSample(double[] pmf_in)

Initialises the random sampling from a given array of probability distribution.

Parameters:

pmf_in - array of PMF

RandomSample

public RandomSample(ProbDist pd)

Initialises the random sampling from a given probability distribution.

Parameters:

pd - probability distribution

Method Detail

drawFrom

public double drawFrom()

Draws and returns a single value randomly from a given array of PMF.

Parameters:

pmf - array of PMF

Returns:

a value randomly drawn from a given distribution

indexOfValueDrawnFrom

public int indexOfValueDrawnFrom()

Draws and returns the index of a single value randomly from a given array of PMF.

Parameters:

pmf - array of PMF

Returns:

the index of a value randomly drawn from a given distribution