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source: branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectiveValidationAnalyzer.cs @ 5747

Last change on this file since 5747 was 5747, checked in by gkronber, 13 years ago

#1418 renamed bounded evaluator, added base classes for single objective and multi objective validation analzers, added overfitting analyzers for symbolic regression and classification.

File size: 4.9 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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
22using System.Collections.Generic;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
28using HeuristicLab.Operators;
29using HeuristicLab.Parameters;
30using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
31using HeuristicLab.Optimization;
32
33namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
34  /// <summary>
35  /// Abstract base class for symbolic data analysis analyzers that validate a solution on a separate data partition using the evaluator.
36  /// </summary>
37  [StorableClass]
38  public abstract class SymbolicDataAnalysisSingleObjectiveValidationAnalyzer<T, U> : SymbolicDataAnalysisSingleObjectiveAnalyzer,
39    ISymbolicDataAnalysisValidationAnalyzer<T, U>
40    where T : class, ISymbolicDataAnalysisSingleObjectiveEvaluator<U>
41    where U : class, IDataAnalysisProblemData {
42    private const string ProblemDataParameterName = "ProblemData";
43    private const string EvaluatorParameterName = "Evaluator";
44    private const string SymbolicDataAnalysisTreeInterpreterParameterName = "SymbolicDataAnalysisTreeInterpreter";
45    private const string ValidationSamplesStartParameterName = "ValidationSamplesStart";
46    private const string ValidationSamplesEndParameterName = "ValidationSamplesEnd";
47
48    #region parameter properties
49    public ILookupParameter<U> ProblemDataParameter {
50      get { return (ILookupParameter<U>)Parameters[ProblemDataParameterName]; }
51    }
52    public ILookupParameter<T> EvaluatorParameter {
53      get { return (ILookupParameter<T>)Parameters[EvaluatorParameterName]; }
54    }
55    public ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter> SymbolicDataAnalysisTreeInterpreterParameter {
56      get { return (ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>)Parameters[SymbolicDataAnalysisTreeInterpreterParameterName]; }
57    }
58    public IValueLookupParameter<IntValue> ValidationSamplesStartParameter {
59      get { return (IValueLookupParameter<IntValue>)Parameters[ValidationSamplesStartParameterName]; }
60    }
61    public IValueLookupParameter<IntValue> ValidationSamplesEndParameter {
62      get { return (IValueLookupParameter<IntValue>)Parameters[ValidationSamplesEndParameterName]; }
63    }
64    #endregion
65
66    #region properties
67    public U ProblemData { get { return ProblemDataParameter.ActualValue; } }
68    public T Evaluator { get { return EvaluatorParameter.ActualValue; } }
69    public ISymbolicDataAnalysisExpressionTreeInterpreter SymbolicDataAnalysisTreeInterpreter { get { return SymbolicDataAnalysisTreeInterpreterParameter.ActualValue; } }
70    public IntValue ValidationSamplesStart { get { return ValidationSamplesStartParameter.ActualValue; } }
71    public IntValue ValidationSamplesEnd { get { return ValidationSamplesEndParameter.ActualValue; } }
72    #endregion
73
74    [StorableConstructor]
75    protected SymbolicDataAnalysisSingleObjectiveValidationAnalyzer(bool deserializing) : base(deserializing) { }
76    protected SymbolicDataAnalysisSingleObjectiveValidationAnalyzer(SymbolicDataAnalysisSingleObjectiveValidationAnalyzer<T, U> original, Cloner cloner)
77      : base(original, cloner) {
78    }
79    public SymbolicDataAnalysisSingleObjectiveValidationAnalyzer()
80      : base() {
81      Parameters.Add(new LookupParameter<U>(ProblemDataParameterName, "The problem data of the symbolic data analysis problem."));
82      Parameters.Add(new LookupParameter<T>(EvaluatorParameterName, "The operator to use for fitness evaluation on the validation partition."));
83      Parameters.Add(new LookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>(SymbolicDataAnalysisTreeInterpreterParameterName, "The interpreter for symbolic data analysis expression trees."));
84      Parameters.Add(new ValueLookupParameter<IntValue>(ValidationSamplesStartParameterName, "The start index of the validation partition."));
85      Parameters.Add(new ValueLookupParameter<IntValue>(ValidationSamplesEndParameterName, "The end index of the validation partition."));
86    }
87  }
88}
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