source: stable/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionResidualsLineChartView.cs @ 15811

Last change on this file since 15811 was 15811, checked in by gkronber, 19 months ago

#2383: merged r15785,r15787,r15789,r15790,r15793,r15810 from trunk to stable

File size: 3.9 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]) && !double.IsNaN(target[i]) &&
41            !double.IsInfinity(x[i]) && !double.IsNaN(x[i])) {
42          x[i] = target[i] - x[i];
43        } else {
44          x[i] = 0.0;
45        }
46      }
47    }
48
49    protected override void GetTrainingSeries(out int[] idx, out double[] y) {
50      idx = Content.ProblemData.TrainingIndices.ToArray();
51      y = Content.EstimatedTrainingValues.ToArray();
52      CalcResiduals(idx, y);
53    }
54
55    protected override void GetTestSeries(out int[] idx, out double[] y) {
56      idx = Content.ProblemData.TestIndices.ToArray();
57      y = Content.EstimatedTestValues.ToArray();
58      CalcResiduals(idx, y);
59    }
60
61    protected override void GetAllValuesSeries(out int[] idx, out double[] y) {
62      idx = Content.ProblemData.AllIndices.ToArray();
63      y = Content.EstimatedValues.ToArray();
64      CalcResiduals(idx, y);
65    }
66
67    protected override void RedrawChart() {
68      base.RedrawChart();
69      UpdateSeriesStyle();
70    }
71
72    private void UpdateSeriesStyle() {
73      if (Content == null) return;
74
75      if (InvokeRequired) {
76        Invoke((Action)UpdateSeriesStyle);
77        return;
78      }
79
80      double[] res;
81      int[] idx;
82      GetTrainingSeries(out idx, out res);
83      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].YAxisType = AxisType.Secondary;
84      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
85      chart.Series[ESTIMATEDVALUES_TRAINING_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
86
87      GetTestSeries(out idx, out res);
88      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].YAxisType = AxisType.Secondary;
89      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
90      chart.Series[ESTIMATEDVALUES_TEST_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
91
92      GetAllValuesSeries(out idx, out res);
93      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].YAxisType = AxisType.Secondary;
94      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].ChartType = SeriesChartType.RangeColumn;
95      chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].Points.DataBindXY(idx, res.Select(_ => 0.0).ToArray(), res);
96      ToggleSeriesData(chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME]); // don't show by default
97    }
98
99  }
100}
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