Accord.Tests.Statistics.JointDistributionTest.JointDistributionConstructorTest C# (CSharp) Method

        public void JointDistributionConstructorTest()
        {
            int[] symbols = { 3, 5 };
            JointDistribution target = new JointDistribution(symbols);

            double[] p = target.Frequencies;

            Assert.AreEqual(3 * 5, p.Length);

            for (int i = 0; i < p.Length; i++)
                p[i] = i;

            double actual;

            actual = target.ProbabilityMassFunction(new int[] { 0, 0 });
            Assert.AreEqual(0, actual);

            actual = target.ProbabilityMassFunction(new int[] { 0, 1 });
            Assert.AreEqual(1, actual);

            actual = target.ProbabilityMassFunction(new int[] { 1, 0 });
            Assert.AreEqual(5, actual);

            actual = target.ProbabilityMassFunction(new int[] { 2, 4 });
            Assert.AreEqual(14, actual);
        }