jhplot.math.num.random
Class NegativeBinomialRandomVariable
- java.lang.Object
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- jhplot.math.num.random.AbstractDiscreteRandomVariable
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- jhplot.math.num.random.NegativeBinomialRandomVariable
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- All Implemented Interfaces:
- DiscreteRandomVariable
public class NegativeBinomialRandomVariable extends AbstractDiscreteRandomVariable
A random variable generator for the Negative Binomial distribution.
References:
- Wikipedia contributors, "Negative Binomial Distribution," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/wiki/Negative_binomial_distribution
- Since:
- 1.3
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Constructor Summary
Constructors Constructor and Description NegativeBinomialRandomVariable()
Default constructor.NegativeBinomialRandomVariable(int r, double p)
Create a random variable with the given number of successes and probability of success.NegativeBinomialRandomVariable(int r, double p, RNG source)
Create a random variable with the given parameters.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method and Description int
nextRandomVariable()
Access the next random variable from this generator.static int
nextRandomVariable(int r, double p, RNG source)
Access the next random variable using the given generator.
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Constructor Detail
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NegativeBinomialRandomVariable
public NegativeBinomialRandomVariable()
Default constructor. Number of successes is set to one and probability of success is set to 0.5.
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NegativeBinomialRandomVariable
public NegativeBinomialRandomVariable(int r, double p)
Create a random variable with the given number of successes and probability of success.- Parameters:
r
- the number of successes.p
- the probability of success.
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NegativeBinomialRandomVariable
public NegativeBinomialRandomVariable(int r, double p, RNG source)
Create a random variable with the given parameters.- Parameters:
r
- the number of successes.p
- the probability of success.source
- the source generator.
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Method Detail
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nextRandomVariable
public static int nextRandomVariable(int r, double p, RNG source)
Access the next random variable using the given generator.- Parameters:
r
- the number of successes.p
- the probability of success.source
- the source generator.- Returns:
- the next random variable.
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nextRandomVariable
public int nextRandomVariable()
Access the next random variable from this generator.- Returns:
- the next random variable.
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