Accord.Tests.Statistics.ToolsTest.SkewnessMatrixTest1 C# (CSharp) Method

        public void SkewnessMatrixTest1()
        {
            double[,] matrix = 
            {
                { 180 },
                { 182 },
                { 169 },
                { 175 },
                { 178 },
                { 189 },
                { 174 },
                { 174 }, 
                { 171 },
                { 168 }
            };

            double expected = 0.77771377;
            {
                double[] actual = Measures.Skewness(matrix);
                Assert.AreEqual(expected, actual[0], 1e-7);
            }
            {
                double actual = Measures.Skewness(matrix.GetColumn(0));
                Assert.AreEqual(expected, actual, 1e-7);
            }
        }