Accord.Tests.Statistics.PrincipalComponentAnalysisTest.Revert_new_method C# (CSharp) Method

        public void Revert_new_method()
        {
            var target = new PrincipalComponentAnalysis();

            // Compute
            var transform = target.Learn(data.ToJagged());

            // Transform
            double[][] image = target.Transform(data.ToJagged());

            // Reverse
            double[][] actual = target.Revert(image);

            // Verify both are equal with 0.01 tolerance value
            Assert.IsTrue(Matrix.IsEqual(actual, data, 0.01));

            // Reverse
            double[][] actual2 = transform.Inverse().Transform(image);

            // Verify both are equal with 0.01 tolerance value
            Assert.IsTrue(Matrix.IsEqual(actual2, data, 0.01));
            Assert.IsTrue(Matrix.IsEqual(actual2, actual, 1e-5));
        }