Accord.Tests.MachineLearning.SPTreeTest.FromDataTest C# (CSharp) Method

        public void FromDataTest()
        {
            Accord.Math.Random.Generator.Seed = 0;

            double[][] points = Vector.Interval(1.0, 7.0).ToJagged();

            var tree = SPTree.FromData(points);
            Assert.IsTrue(tree.Root.IsCorrect());

            var nodes = tree.ToList();

            foreach (var p in points)
                Assert.IsTrue(nodes.Where(x=> x.IsLeaf)
                    .Select(x => x.Position)
                    .Contains(p, new ArrayComparer<double>()));

            points = Vector.Shuffled(Vector.Range(1.0, 8.0)).ToJagged();

            tree = SPTree.FromData(points);
            Assert.IsTrue(tree.Root.IsCorrect());

            nodes = tree.ToList();

            foreach (var p in points)
                Assert.IsTrue(nodes.Select(x => x.Position).Contains(p));
        }