FDistribution Class

[SerializableAttribute]
public class FDistribution : UnivariateContinuousDistribution, 
	ISampleableDistribution<double>, IDistribution<double>, IDistribution, 
	ICloneable, IRandomNumberGenerator<double>

<SerializableAttribute>
Public Class FDistribution
	Inherits UnivariateContinuousDistribution
	Implements ISampleableDistribution(Of Double), IDistribution(Of Double), 
	IDistribution, ICloneable, IRandomNumberGenerator(Of Double)

// Create a Fisher-Snedecor's F distribution with 8 and 5 d.f.
FDistribution F = new FDistribution(degrees1: 8, degrees2: 5);

// Common measures
double mean = F.Mean;     // 1.6666666666666667
double median = F.Median; // 1.0545096252132447
double var = F.Variance;  // 7.6388888888888893

// Cumulative distribution functions
double cdf = F.DistributionFunction(x: 0.27); // 0.049463408057268315
double ccdf = F.ComplementaryDistributionFunction(x: 0.27); // 0.95053659194273166
double icdf = F.InverseDistributionFunction(p: cdf); // 0.27

// Probability density functions
double pdf = F.ProbabilityDensityFunction(x: 0.27); // 0.45120469723580559
double lpdf = F.LogProbabilityDensityFunction(x: 0.27); // -0.79583416831212883

// Hazard (failure rate) functions
double hf = F.HazardFunction(x: 0.27); // 0.47468419528555084
double chf = F.CumulativeHazardFunction(x: 0.27); // 0.050728620222091653

// String representation
string str = F.ToString(CultureInfo.InvariantCulture); // F(x; df1 = 8, df2 = 5)