public void ProbabilityFunctionTest()
{
IDistribution target = CreateMultivariateContinuousDistribution();
double[] x = { 0.4, 2 };
double expected = 0.032309150392899;
double actual = target.ProbabilityFunction(x);
Assert.AreEqual(expected, actual, 1e-10);
}
public void ProbabilityFunctionTest()
{
IDistribution target = CreateUnivariateContinuousDistribution();
double x = 18.14;
double expected = 0.011697993604177;
double actual = target.ProbabilityFunction(x);
Assert.IsFalse(double.IsNaN(actual));
Assert.AreEqual(expected, actual, 1e-10);
}
public void ProbabilityFunctionTest()
{
IDistribution target = CreateUnivariateDiscreteDistribution();
double p = 0.42;
double q = 1 - p;
Assert.AreEqual(q, target.ProbabilityFunction(0));
Assert.AreEqual(p, target.ProbabilityFunction(1));
double[] observations = { 0, 1, 0, 0, 1, 0 };
target.Fit(observations);
p = Accord.Statistics.Tools.Mean(observations);
q = 1 - p;
Assert.AreEqual(q, target.ProbabilityFunction(0));
Assert.AreEqual(p, target.ProbabilityFunction(1));
}