Example #1
0
        public void TestScaleResults()
        {
            const string smallValues = "predA=0.1 predB=0.2 A\n" + "predB=0.3 predA=0.1 B\n";
            const string largeValues = "predA=10 predB=20 A\n" + "predB=30 predA=10 B\n";

            const string smallTest = "predA=0.2 predB=0.2";
            const string largeTest = "predA=20 predB=20";

            var smallReader      = new StringReader(smallValues);
            var smallEventStream = new RealBasicEventStream(new PlainTextByLineStream(smallReader));

            var smallModel = GIS.TrainModel(100, new OnePassRealValueDataIndexer(smallEventStream, 0), false);

            var contexts     = smallTest.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
            var values       = RealValueFileEventStream.ParseContexts(contexts);
            var smallResults = smallModel.Eval(contexts, values);

            var smallResultString = smallModel.GetAllOutcomes(smallResults);

            Console.Out.WriteLine("smallResults: " + smallResultString);

            var largeReader      = new StringReader(largeValues);
            var largeEventStream = new RealBasicEventStream(new PlainTextByLineStream(largeReader));

            var largeModel = GIS.TrainModel(100, new OnePassRealValueDataIndexer(largeEventStream, 0), false);

            contexts = largeTest.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
            values   = RealValueFileEventStream.ParseContexts(contexts);
            var largeResults = largeModel.Eval(contexts, values);

            var largeResultString = smallModel.GetAllOutcomes(largeResults);

            Console.Out.WriteLine("largeResults: " + largeResultString);

            Assert.AreEqual(smallResults.Length, largeResults.Length);
            for (var i = 0; i < smallResults.Length; i++)
            {
                /*
                 * System.out.println(string.format(
                 * "classify with smallModel: %1$s = %2$f", smallModel.getOutcome(i),
                 * smallResults[i]));
                 * System.out.println(string.format(
                 * "classify with largeModel: %1$s = %2$f", largeModel.getOutcome(i),
                 * largeResults[i])); */

                Assert.AreEqual(smallResults[i], largeResults[i], 0.01f);
            }
        }
        public void TestScaleResults() {
            const string smallValues = "predA=0.1 predB=0.2 A\n" + "predB=0.3 predA=0.1 B\n";
            const string largeValues = "predA=10 predB=20 A\n" + "predB=30 predA=10 B\n";

            const string smallTest = "predA=0.2 predB=0.2";
            const string largeTest = "predA=20 predB=20";

            var smallReader = new StringReader(smallValues);
            var smallEventStream = new RealBasicEventStream(new PlainTextByLineStream(smallReader));

            var smallModel = GIS.TrainModel(100, new OnePassRealValueDataIndexer(smallEventStream, 0), false);

            var contexts = smallTest.Split(new[] {' '}, StringSplitOptions.RemoveEmptyEntries);
            var values = RealValueFileEventStream.ParseContexts(contexts);
            var smallResults = smallModel.Eval(contexts, values);

            var smallResultString = smallModel.GetAllOutcomes(smallResults);

            Console.Out.WriteLine("smallResults: " + smallResultString);

            var largeReader = new StringReader(largeValues);
            var largeEventStream = new RealBasicEventStream(new PlainTextByLineStream(largeReader));

            var largeModel = GIS.TrainModel(100, new OnePassRealValueDataIndexer(largeEventStream, 0), false);
            contexts = largeTest.Split(new[] {' '}, StringSplitOptions.RemoveEmptyEntries);
            values = RealValueFileEventStream.ParseContexts(contexts);
            var largeResults = largeModel.Eval(contexts, values);

            var largeResultString = smallModel.GetAllOutcomes(largeResults);
            Console.Out.WriteLine("largeResults: " + largeResultString);

            Assert.AreEqual(smallResults.Length, largeResults.Length);
            for (var i = 0; i < smallResults.Length; i++) {
                /*
      System.out.println(string.format(
          "classify with smallModel: %1$s = %2$f", smallModel.getOutcome(i),
          smallResults[i]));
      System.out.println(string.format(
          "classify with largeModel: %1$s = %2$f", largeModel.getOutcome(i),
          largeResults[i])); */

                Assert.AreEqual(smallResults[i], largeResults[i], 0.01f);
            }
        }