1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
4 | *
|
---|
5 | * This file is part of HeuristicLab.
|
---|
6 | *
|
---|
7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation, either version 3 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * HeuristicLab is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
---|
19 | */
|
---|
20 | #endregion
|
---|
21 |
|
---|
22 | using System;
|
---|
23 | using System.Collections.Generic;
|
---|
24 | using System.Linq;
|
---|
25 | using System.Threading;
|
---|
26 | using HeuristicLab.Algorithms.DataAnalysis;
|
---|
27 | using HeuristicLab.Common;
|
---|
28 | using HeuristicLab.Core;
|
---|
29 | using HeuristicLab.Problems.DataAnalysis;
|
---|
30 | using Microsoft.VisualStudio.TestTools.UnitTesting;
|
---|
31 |
|
---|
32 | namespace HeuristicLab.Tests {
|
---|
33 | [TestClass]
|
---|
34 | public class SupportVectorMachineTest {
|
---|
35 | public SupportVectorMachineTest() { }
|
---|
36 |
|
---|
37 | private TestContext testContextInstance;
|
---|
38 |
|
---|
39 | /// <summary>
|
---|
40 | ///Gets or sets the test context which provides
|
---|
41 | ///information about and functionality for the current test run.
|
---|
42 | ///</summary>
|
---|
43 | public TestContext TestContext {
|
---|
44 | get {
|
---|
45 | return testContextInstance;
|
---|
46 | }
|
---|
47 | set {
|
---|
48 | testContextInstance = value;
|
---|
49 | }
|
---|
50 | }
|
---|
51 |
|
---|
52 | private EventWaitHandle trigger = new AutoResetEvent(false);
|
---|
53 | private Exception ex;
|
---|
54 |
|
---|
55 | [TestMethod]
|
---|
56 | [TestCategory("Algorithms.DataAnalysis")]
|
---|
57 | [TestProperty("Time", "medium")]
|
---|
58 | public void SupportVectorMachinePerformanceTest() {
|
---|
59 | ex = null;
|
---|
60 |
|
---|
61 | var cv = new CrossValidation();
|
---|
62 | cv.Algorithm = new SupportVectorRegression();
|
---|
63 | var rand = new HeuristicLab.Random.MersenneTwister();
|
---|
64 | double[,] data = GenerateData(1000, rand);
|
---|
65 | List<string> variables = new List<string>() { "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "y" };
|
---|
66 | Dataset ds = new Dataset(variables, data);
|
---|
67 | cv.Problem.ProblemDataParameter.ActualValue = new RegressionProblemData(ds, variables.Take(10), variables.Last());
|
---|
68 | cv.Folds.Value = 5;
|
---|
69 | cv.SamplesStart.Value = 0;
|
---|
70 | cv.SamplesEnd.Value = 999;
|
---|
71 |
|
---|
72 | cv.ExceptionOccurred += new EventHandler<EventArgs<Exception>>(cv_ExceptionOccurred);
|
---|
73 | cv.Stopped += new EventHandler(cv_Stopped);
|
---|
74 |
|
---|
75 | cv.Prepare();
|
---|
76 | cv.Start();
|
---|
77 | trigger.WaitOne();
|
---|
78 | if (ex != null) throw ex;
|
---|
79 |
|
---|
80 | TestContext.WriteLine("Runtime: {0}", cv.ExecutionTime.ToString());
|
---|
81 |
|
---|
82 | }
|
---|
83 |
|
---|
84 | // poly-10: y = x1 x2 + x3 x4 + x5 x6 + x1 x7 x9 + x3 x6 x10
|
---|
85 | private double[,] GenerateData(int n, IRandom random) {
|
---|
86 | double[,] data = new double[n, 11];
|
---|
87 | for (int i = 0; i < n; i++) {
|
---|
88 | for (int c = 0; c < 10; c++) {
|
---|
89 | data[i, c] = random.NextDouble() * 2.0 - 1.0;
|
---|
90 | }
|
---|
91 | data[i, 10] =
|
---|
92 | data[i, 0] * data[i, 1] +
|
---|
93 | data[i, 2] * data[i, 3] +
|
---|
94 | data[i, 4] * data[i, 5] +
|
---|
95 | data[i, 0] * data[i, 6] * data[i, 8] +
|
---|
96 | data[i, 2] * data[i, 5] * data[i, 9];
|
---|
97 | }
|
---|
98 | return data;
|
---|
99 | }
|
---|
100 |
|
---|
101 | private void cv_ExceptionOccurred(object sender, EventArgs<Exception> e) {
|
---|
102 | ex = e.Value;
|
---|
103 | }
|
---|
104 |
|
---|
105 | private void cv_Stopped(object sender, EventArgs e) {
|
---|
106 | trigger.Set();
|
---|
107 | }
|
---|
108 | }
|
---|
109 | }
|
---|