source: trunk/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionResidualsLineChartView.cs @ 15785

Last change on this file since 15785 was 15785, checked in by fholzing, 19 months ago

#2383: Added additional filtering logic for double.NaN and double.Inf

File size: 3.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Linq;
24using System.Windows.Forms.DataVisualization.Charting;
25using HeuristicLab.MainForm;
26
27namespace HeuristicLab.Problems.DataAnalysis.Views {
28  [View("Residuals Line Chart")]
29  [Content(typeof(IRegressionSolution))]
30  public partial class RegressionSolutionResidualsLineChartView : RegressionSolutionLineChartViewBase, IDataAnalysisSolutionEvaluationView {
31
32    public RegressionSolutionResidualsLineChartView() : base() {
33      InitializeComponent();
34    }
35
36    protected void CalcResiduals(int[] idx, double[] x) {
37      var problemData = Content.ProblemData;
38      var target = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, idx).ToArray();
39      for (int i = 0; i < idx.Length; i++) {
40        if (!double.IsInfinity(target[i])) {
41          x[i] = target[i] - x[i];
42        }
43      }
44    }
45
46    protected override void GetTrainingSeries(out int[] idx, out double[] y) {
47      idx = Content.ProblemData.TrainingIndices.ToArray();
48      y = Content.EstimatedTrainingValues.ToArray();
49      CalcResiduals(idx, y);
50    }
51
52    protected override void GetTestSeries(out int[] idx, out double[] y) {
53      idx = Content.ProblemData.TestIndices.ToArray();
54      y = Content.EstimatedTestValues.ToArray();
55      CalcResiduals(idx, y);
56    }
57
58    protected override void GetAllValuesSeries(out int[] idx, out double[] y) {
59      idx = Content.ProblemData.AllIndices.ToArray();
60      y = Content.EstimatedValues.ToArray();
61      CalcResiduals(idx, y);
62    }
63
64    protected override void RedrawChart() {
65      base.RedrawChart();
66      UpdateSeriesStyle();
67    }
68
69    private void UpdateSeriesStyle() {
70      if (Content == null) return;
71
72      if (InvokeRequired) {
73        Invoke((Action)UpdateSeriesStyle);
74        return;
75      }
76
77      double[] res;
78      int[] idx;
79      GetTrainingSeries(out idx, out res);
80      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].YAxisType = AxisType.Secondary;
81      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
82      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
83
84      GetTestSeries(out idx, out res);
85      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].YAxisType = AxisType.Secondary;
86      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
87      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
88
89      GetAllValuesSeries(out idx, out res);
90      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].YAxisType = AxisType.Secondary;
91      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
92      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
93      ToggleSeriesData(chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME]); // don't show by default
94    }
95
96  }
97}
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