Accord.Tests.Statistics.MultipleLinearRegressionTest.RegressTest6 C# (CSharp) 메소드

        public void RegressTest6()
        {
            MultipleLinearRegression target = new MultipleLinearRegression(2, false);

            double[][] inputs = 
            {
                new double[] { 0, 0 },
                new double[] { 0, 0 },
                new double[] { 0, 0 },
                new double[] { 0, 0 },
                new double[] { 0, 0 },
            };

            double[] outputs = { 20, 40, 30, 50, 60 };


            double error = target.Regress(inputs, outputs);

            double slope = target.Coefficients[0];
            double intercept = target.Coefficients[1];

            Assert.AreEqual(0, slope, 1e-5);
            Assert.AreEqual(0, intercept, 1e-5);
            Assert.AreEqual(9000, error);


            double r = target.CoefficientOfDetermination(inputs, outputs);
            Assert.AreEqual(-8, r, 1e-6);

            string str = target.ToString(null, System.Globalization.CultureInfo.GetCultureInfo("pt-BR"));

            Assert.AreEqual("y(x0, x1) = 0*x0 + 0*x1", str);
        }