[11514] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16662] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[11514] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System.IO;
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| 23 | using System.Linq;
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[17035] | 24 | using HEAL.Attic;
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[11514] | 25 | using HeuristicLab.Problems.DataAnalysis;
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| 26 | using HeuristicLab.Problems.Instances.DataAnalysis;
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| 27 | using HeuristicLab.Scripting;
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| 28 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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| 29 |
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| 30 | namespace HeuristicLab.Tests {
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| 31 | [TestClass]
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| 32 | public class GridSearchSVMRegressionScriptTest {
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| 33 | private const string ScriptFileName = "GridSearch_SVM_Regression_Script";
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| 34 | private const string ScriptItemName = "Grid Search SVM Script - Regression";
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| 35 | private const string ScriptItemDescription = "A script that runs a grid search for SVM parameters for solving symbolic regression problems";
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[11547] | 36 | private const string ProblemInstanceName = "Keijzer 9 f(x) = arcsinh(x) i.e. ln(x + sqrt(x² + 1))";
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[11514] | 37 | private const string ProblemInstanceDataVaribleName = "problem";
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| 38 | private const string BestSolutionVariableName = "bestSolution";
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| 39 |
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[17035] | 40 | private static readonly ProtoBufSerializer serializer = new ProtoBufSerializer();
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| 41 |
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[11514] | 42 | [TestMethod]
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| 43 | [TestCategory("Scripts.Create")]
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| 44 | [TestProperty("Time", "short")]
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| 45 | public void CreateGridSearchSVMRegressionScriptTest() {
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| 46 | var script = CreateGridSearchSVMRegressionScript();
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| 47 | string path = Path.Combine(ScriptingUtils.ScriptsDirectory, ScriptFileName + ScriptingUtils.ScriptFileExtension);
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[17035] | 48 | serializer.Serialize(script, path);
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[11514] | 49 | }
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| 50 |
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| 51 | [TestMethod]
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| 52 | [TestCategory("Scripts.Execute")]
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| 53 | [TestProperty("Time", "medium")]
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| 54 | public void RunGridSearchSVMRegressionScriptTest() {
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| 55 | var script = CreateGridSearchSVMRegressionScript();
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| 56 |
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| 57 | script.Compile();
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| 58 | ScriptingUtils.RunScript(script);
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| 59 |
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| 60 | var bestSolution = ScriptingUtils.GetVariable<IRegressionSolution>(script, BestSolutionVariableName);
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[11547] | 61 | Assert.AreEqual(0.982485852864274, bestSolution.TrainingRSquared, 1E-8);
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| 62 | Assert.AreEqual(0.98817480950295, bestSolution.TestRSquared, 1E-8);
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[11514] | 63 | }
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| 64 |
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| 65 | private CSharpScript CreateGridSearchSVMRegressionScript() {
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| 66 | var script = new CSharpScript {
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| 67 | Name = ScriptItemName,
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| 68 | Description = ScriptItemDescription
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| 69 | };
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| 70 | #region Variables
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| 71 | var provider = new KeijzerInstanceProvider();
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| 72 | var instance = (ArtificialRegressionDataDescriptor)provider.GetDataDescriptors().Single(x => x.Name == ProblemInstanceName);
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| 73 | var data = instance.GenerateRegressionData();
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| 74 | script.VariableStore.Add(ProblemInstanceDataVaribleName, data);
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| 75 | #endregion
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| 76 | #region Code
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[11789] | 77 | script.Code = ScriptSources.GridSearchSVMRegressionScriptSource;
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[11514] | 78 | #endregion
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| 79 | return script;
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| 80 | }
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| 81 | }
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| 82 | }
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