1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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 HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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25 | using HeuristicLab.Parameters;
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26 | using HEAL.Attic;
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27 |
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28 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Classification {
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29 | /// <summary>
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30 | /// An operator that analyzes the training best symbolic classification solution for multi objective symbolic classification problems.
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31 | /// </summary>
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32 | [Item("SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer", "An operator that analyzes the training best symbolic classification solution for multi objective symbolic classification problems.")]
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33 | [StorableType("EC30DC99-A5A8-43B0-81C1-BA9016A0A74C")]
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34 | public sealed class SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer : SymbolicDataAnalysisMultiObjectiveTrainingBestSolutionAnalyzer<ISymbolicClassificationSolution>,
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35 | ISymbolicDataAnalysisInterpreterOperator, ISymbolicDataAnalysisBoundedOperator, ISymbolicClassificationModelCreatorOperator {
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36 | private const string ProblemDataParameterName = "ProblemData";
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37 | private const string ModelCreatorParameterName = "ModelCreator";
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38 | private const string SymbolicDataAnalysisTreeInterpreterParameterName = "SymbolicDataAnalysisTreeInterpreter";
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39 | private const string EstimationLimitsParameterName = "EstimationLimits";
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40 |
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41 | #region parameter properties
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42 | public ILookupParameter<IClassificationProblemData> ProblemDataParameter {
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43 | get { return (ILookupParameter<IClassificationProblemData>)Parameters[ProblemDataParameterName]; }
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44 | }
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45 | public IValueLookupParameter<ISymbolicClassificationModelCreator> ModelCreatorParameter {
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46 | get { return (IValueLookupParameter<ISymbolicClassificationModelCreator>)Parameters[ModelCreatorParameterName]; }
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47 | }
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48 | ILookupParameter<ISymbolicClassificationModelCreator> ISymbolicClassificationModelCreatorOperator.ModelCreatorParameter {
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49 | get { return ModelCreatorParameter; }
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50 | }
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51 | public ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter> SymbolicDataAnalysisTreeInterpreterParameter {
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52 | get { return (ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>)Parameters[SymbolicDataAnalysisTreeInterpreterParameterName]; }
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53 | }
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54 | public IValueLookupParameter<DoubleLimit> EstimationLimitsParameter {
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55 | get { return (IValueLookupParameter<DoubleLimit>)Parameters[EstimationLimitsParameterName]; }
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56 | }
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57 | #endregion
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58 |
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59 | [StorableConstructor]
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60 | private SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer(StorableConstructorFlag _) : base(_) { }
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61 | private SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer(SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer original, Cloner cloner) : base(original, cloner) { }
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62 | public SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer()
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63 | : base() {
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64 | Parameters.Add(new LookupParameter<IClassificationProblemData>(ProblemDataParameterName, "The problem data for the symbolic classification solution."));
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65 | Parameters.Add(new ValueLookupParameter<ISymbolicClassificationModelCreator>(ModelCreatorParameterName, ""));
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66 | Parameters.Add(new LookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>(SymbolicDataAnalysisTreeInterpreterParameterName, "The symbolic data analysis tree interpreter for the symbolic expression tree."));
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67 | Parameters.Add(new ValueLookupParameter<DoubleLimit>(EstimationLimitsParameterName, "The lower and upper limit for the estimated values produced by the symbolic classification model."));
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68 | }
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69 | public override IDeepCloneable Clone(Cloner cloner) {
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70 | return new SymbolicClassificationMultiObjectiveTrainingBestSolutionAnalyzer(this, cloner);
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71 | }
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72 |
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73 | [StorableHook(HookType.AfterDeserialization)]
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74 | private void AfterDeserialization() {
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75 | // BackwardsCompatibility3.4
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76 | #region Backwards compatible code, remove with 3.5
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77 | if (!Parameters.ContainsKey(ModelCreatorParameterName))
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78 | Parameters.Add(new ValueLookupParameter<ISymbolicClassificationModelCreator>(ModelCreatorParameterName, ""));
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79 | #endregion
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80 | }
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81 |
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82 | protected override ISymbolicClassificationSolution CreateSolution(ISymbolicExpressionTree bestTree, double[] bestQuality) {
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83 | var model = ModelCreatorParameter.ActualValue.CreateSymbolicClassificationModel(ProblemDataParameter.ActualValue.TargetVariable, (ISymbolicExpressionTree)bestTree.Clone(), SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper);
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84 | if (ApplyLinearScalingParameter.ActualValue.Value) model.Scale(ProblemDataParameter.ActualValue);
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85 |
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86 | model.RecalculateModelParameters(ProblemDataParameter.ActualValue, ProblemDataParameter.ActualValue.TrainingIndices);
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87 | return model.CreateClassificationSolution((IClassificationProblemData)ProblemDataParameter.ActualValue.Clone());
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88 | }
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89 | }
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90 | }
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