Accord.Tests.Statistics.NormalizationFilterTest.ApplyTest C# (CSharp) Method

        public void ApplyTest()
        {
            DataTable input = new DataTable("Sample data");
            input.Columns.Add("x", typeof(double));
            input.Columns.Add("y", typeof(double));
            input.Rows.Add(0.0, 0);
            input.Rows.Add(0.2, -20);
            input.Rows.Add(0.8, -80);
            input.Rows.Add(1.0, -100);

            DataTable expected = new DataTable("Sample data");
            expected.Columns.Add("x", typeof(double));
            expected.Columns.Add("y", typeof(double));
            expected.Rows.Add(-1.0502, 1.0502);
            expected.Rows.Add(-0.6301, 0.6301);
            expected.Rows.Add(0.6301, -0.6301);
            expected.Rows.Add(1.0502, -1.0502);



            Normalization target = new Normalization("x", "y");

            target.Detect(input);

            DataTable actual = target.Apply(input);

            for (int i = 0; i < actual.Rows.Count; i++)
            {
                double ex = (double)expected.Rows[i][0];
                double ey = (double)expected.Rows[i][1];

                double ax = (double)actual.Rows[i][0];
                double ay = (double)actual.Rows[i][1];

                Assert.AreEqual(ex, ax, 0.001);
                Assert.AreEqual(ey, ay, 0.001);

            }
        }