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);
}