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java.lang.Objectumontreal.iro.lecuyer.randvar.RandomVariateGen
umontreal.iro.lecuyer.randvar.FNoncentralGen
public class FNoncentralGen
This class implements random variate generators for the noncentral F-distribution. If X is a noncentral chi-square random variable with ν1 > 0 degrees of freedom and noncentrality parameter λ > 0, and Y is a chi-square random variable (statistically independent of X) with ν2 > 0 degrees of freedom, then
| Constructor Summary | |
|---|---|
| FNoncentralGen(ChiSquareNoncentralGen ncgen,
               ChiSquareGen cgen)Creates a noncentral-F random variate generator using noncentral chi-square generator ncgen and chi-square generator cgen. | |
| Method Summary | |
|---|---|
|  double | nextDouble()Generates a random number from the continuous distribution contained in this object. | 
|  void | setChiSquareGen(ChiSquareGen cgen)Sets the chi-square generator to cgen. | 
|  void | setChiSquareNoncentralGen(ChiSquareNoncentralGen ncgen)Sets the noncentral chi-square generator to ncgen. | 
| Methods inherited from class umontreal.iro.lecuyer.randvar.RandomVariateGen | 
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| getDistribution, getStream, nextArrayOfDouble, setStream, toString | 
| Methods inherited from class java.lang.Object | 
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| equals, getClass, hashCode, notify, notifyAll, wait, wait, wait | 
| Constructor Detail | 
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public FNoncentralGen(ChiSquareNoncentralGen ncgen,
                      ChiSquareGen cgen)
| Method Detail | 
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public double nextDouble()
RandomVariateGeninverseF
     method of the distribution object.
     Alternative generating methods are provided in subclasses.
nextDouble in class RandomVariateGenpublic void setChiSquareNoncentralGen(ChiSquareNoncentralGen ncgen)
public void setChiSquareGen(ChiSquareGen cgen)
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