public void BetaPERTTest()
{
// Create a Beta from a minimum, maximum and most likely value
var b = GeneralizedBetaDistribution.Pert(min: 1, max: 3, mode: 2);
double mean = b.Mean; // 2
double median = b.Median; // 2
double mode = b.Mode; // 2
double var = b.Variance; // 0.071428571428571425
double min = b.Min;
double max = b.Max;
double alpha = b.Alpha;
double beta = b.Beta;
Assert.AreEqual(mean, median);
Assert.AreEqual(mean, mode);
Assert.AreEqual(2, mean);
Assert.AreEqual(2, median);
Assert.AreEqual(2.0, mode);
Assert.AreEqual(0.071428571428571425, var);
Assert.AreEqual(1.0, min);
Assert.AreEqual(3, max);
Assert.AreEqual(3, alpha);
Assert.AreEqual(3, beta);
}
public void BetaPERTTest2()
{
// Create a Beta from a minimum, maximum and most likely value
var b = GeneralizedBetaDistribution.Pert(min: 1, max: 3, mode: 1.5);
double mean = b.Mean; // 1.6666666666666667
double median = b.Median; // 1.6276203409113952
double var = b.Variance; // 0.063492063492063516
double mode = b.Mode; // 1.5
double min = b.Min; // 1.0
double max = b.Max; // 3.0
double alpha = b.Alpha; // 1.9999999999999993
double beta = b.Beta; // 3.9999999999999982
Assert.AreEqual(1.6666666666666667, mean);
Assert.AreEqual(1.6276203409113952, median);
Assert.AreEqual(0.063492063492063516, var);
Assert.AreEqual(1.5, mode);
Assert.AreEqual(1.0, min);
Assert.AreEqual(3.0, max);
Assert.AreEqual(1.9999999999999993, alpha);
Assert.AreEqual(3.9999999999999982, beta);
}
