source: branches/HeuristicLab.TreeSimplifier/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views/3.4/InteractiveSymbolicRegressionSolutionSimplifierView.cs @ 8916

Last change on this file since 8916 was 8916, checked in by bburlacu, 10 years ago

#1763: Added HeuristicLab.Problems.DataAnalysis.Symbolic.Classification.Views and HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views to the branch. Removed prune button, minor functionality improvements.

File size: 3.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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;
23using System.Collections.Generic;
24using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
25using HeuristicLab.Problems.DataAnalysis.Symbolic.Views;
26
27namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression.Views {
28  public partial class InteractiveSymbolicRegressionSolutionSimplifierView : InteractiveSymbolicDataAnalysisSolutionSimplifierView {
29    private readonly SymbolicRegressionSolutionImpactValuesCalculator calculator;
30
31    public new SymbolicRegressionSolution Content {
32      get { return (SymbolicRegressionSolution)base.Content; }
33      set { base.Content = value; }
34    }
35
36    public InteractiveSymbolicRegressionSolutionSimplifierView()
37      : base() {
38      InitializeComponent();
39      this.Caption = "Interactive Regression Solution Simplifier";
40      calculator = new SymbolicRegressionSolutionImpactValuesCalculator();
41    }
42
43    protected override void UpdateModel(ISymbolicExpressionTree tree) {
44      var model = new SymbolicRegressionModel(tree, Content.Model.Interpreter, Content.Model.LowerEstimationLimit, Content.Model.UpperEstimationLimit);
45      SymbolicRegressionModel.Scale(model, Content.ProblemData, Content.ProblemData.TargetVariable);
46      Content.Model = model;
47    }
48
49    protected override Dictionary<ISymbolicExpressionTreeNode, double> CalculateReplacementValues(ISymbolicExpressionTree tree) {
50      return calculator.CalculateReplacementValues(tree, Content.Model.Interpreter, Content.ProblemData);
51    }
52
53    protected override Dictionary<ISymbolicExpressionTreeNode, double> CalculateImpactValues(ISymbolicExpressionTree tree) {
54      return calculator.CalculateImpactValues(tree, Content.Model.Interpreter, Content.ProblemData, 0, 0);
55    }
56
57    protected override void btnOptimizeConstants_Click(object sender, EventArgs e) {
58      var model = Content.Model;
59      SymbolicRegressionConstantOptimizationEvaluator.OptimizeConstants(model.Interpreter, model.SymbolicExpressionTree, Content.ProblemData, Content.ProblemData.TrainingIndices,
60        applyLinearScaling: true, maxIterations: 50, upperEstimationLimit: model.UpperEstimationLimit, lowerEstimationLimit: model.LowerEstimationLimit);
61      UpdateModel(Content.Model.SymbolicExpressionTree);
62    }
63  }
64}
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