public void BetaGenerateTest()
{
Accord.Math.Tools.SetupGenerator(0);
int n = 100000;
double[] samples = BetaDistribution
.Random(alpha: 2, beta: 3, samples: n);
Assert.AreEqual(n, samples.Length);
var actual = BetaDistribution.Estimate(samples);
Assert.AreEqual(2, actual.Alpha, 1e-2);
Assert.AreEqual(3, actual.Beta, 1e-2);
}
public void BetaGenerateTest3()
{
Accord.Math.Tools.SetupGenerator(0);
int n = 1000000;
double[] samples = BetaDistribution
.Random(alpha: 0.4, beta: 0.2, samples: n);
Assert.AreEqual(n, samples.Length);
var actual = BetaDistribution.Estimate(samples,
new BetaOptions {
Method = BetaEstimationMethod.MaximumLikelihood
});
Assert.AreEqual(0.4, actual.Alpha, 0.005);
Assert.AreEqual(0.2, actual.Beta, 0.003);
}
