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

        public void GroupTest()
        {

            int[][] data = {
                 new int[] { 1, 1 },
                 new int[] { 1, 1 },
                 new int[] { 1, 1 },
                 new int[] { 1, 1 },
                 new int[] { 1, 0 },
                 new int[] { 1, 0 },
                 new int[] { 1, 0 },
                 new int[] { 1, 0 },
                 new int[] { 1, 0 },
                 new int[] { 2, 1 },
                 new int[] { 2, 0 },
                 new int[] { 2, 0 },
                 new int[] { 2, 0 },
            };

            int[][] expected = {
                 new int[] { 1, 4, 5 },
                 new int[] { 2, 1, 3 },
            };


            int[][] actual;
            actual = Tools.Group(data, 0, 1);

            Assert.IsTrue(Matrix.IsEqual(expected, actual));
        }