jhplot.math.num.random
Class FRandomVariable
- java.lang.Object
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- jhplot.math.num.random.AbstractContinuousRandomVariable
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- jhplot.math.num.random.FRandomVariable
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- All Implemented Interfaces:
- ContinuousRandomVariable
public class FRandomVariable extends AbstractContinuousRandomVariable
A random variable generator for the F distribution.
References:
- Wikipedia contributors, "F-distribution," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/wiki/F_distribution
- Since:
- 1.3
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Constructor Summary
Constructors Constructor and Description FRandomVariable()
Default constructor.FRandomVariable(double dfn, double dfd)
Create a random variable with the given numerator degrees of freedom and denominator degrees of freedom.FRandomVariable(double dfn, double dfd, 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 double
nextRandomVariable()
Access the next random variable from this generator.static double
nextRandomVariable(double dfn, double dfd, RNG source)
Access the next random variable using the given generator.
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Constructor Detail
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FRandomVariable
public FRandomVariable()
Default constructor. Numerator degrees of freedom and denominator degrees of freedom are both set to 1.
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FRandomVariable
public FRandomVariable(double dfn, double dfd)
Create a random variable with the given numerator degrees of freedom and denominator degrees of freedom.- Parameters:
dfn
- the numerator degrees of freedom.dfd
- the denominator degrees of freedom.
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FRandomVariable
public FRandomVariable(double dfn, double dfd, RNG source)
Create a random variable with the given parameters.- Parameters:
dfn
- the numerator degrees of freedom.dfd
- the denominator degrees of freedom.source
- the source generator.
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Method Detail
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nextRandomVariable
public static double nextRandomVariable(double dfn, double dfd, RNG source)
Access the next random variable using the given generator.- Parameters:
dfn
- the numerator degrees of freedom.dfd
- the denominator degrees of freedom.source
- the source generator.- Returns:
- the next random variable.
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nextRandomVariable
public double nextRandomVariable()
Access the next random variable from this generator.- Returns:
- the next random variable.
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