public void BetaRandomTest2()
{
Accord.Math.Tools.SetupGenerator(0);
int n = 100000;
double[] samples = GeneralizedBetaDistribution
.Random(alpha: 2, beta: 3, min: 10, max: 15, samples: n);
for (int i = 0; i < samples.Length; i++)
{
Assert.IsTrue(samples[i] > 10);
Assert.IsTrue(samples[i] < 15);
}
Assert.AreEqual(n, samples.Length);
var actual = GeneralizedBetaDistribution.Estimate(samples, 10, 15,
new GeneralizedBetaOptions {
Method = BetaEstimationMethod.MaximumLikelihood
});
Assert.AreEqual(2, actual.Alpha, 0.015);
Assert.AreEqual(3, actual.Beta, 0.03);
}
public void BetaRandomTest()
{
Accord.Math.Tools.SetupGenerator(0);
int n = 100000;
double[] samples = GeneralizedBetaDistribution
.Random(alpha: 2, beta: 3, min: 0, max: 1, samples: n);
Assert.AreEqual(n, samples.Length);
var actual = GeneralizedBetaDistribution.Estimate(samples, 0, 1);
Assert.AreEqual(2, actual.Alpha, 1e-2);
Assert.AreEqual(3, actual.Beta, 1e-2);
}
public void BetaGenerateTest2()
{
Accord.Math.Tools.SetupGenerator(0);
int n = 100000;
var beta = new GeneralizedBetaDistribution(alpha: 2, beta: 3, min: 0, max: 1);
double[] samples = new double[n];
for (int i = 0; i < n; i++)
{
samples[i] = beta.Generate();
}
var actual = GeneralizedBetaDistribution.Estimate(samples, 0, 1);
Assert.AreEqual(2, actual.Alpha, 3e-2);
Assert.AreEqual(3, actual.Beta, 3e-2);
}
