1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 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 System;
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23 | using System.Collections.Generic;
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24 | using System.Linq;
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25 | using HeuristicLab.Analysis;
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26 | using HeuristicLab.MainForm;
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27 |
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28 | namespace HeuristicLab.DataPreprocessing.Views {
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29 |
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30 | [View("Histogram View")]
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31 | [Content(typeof(HistogramContent), true)]
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32 | public partial class HistogramView : PreprocessingChartView {
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33 |
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34 | public List<double> Classification { get; set; }
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35 | public bool IsDetailedChartViewEnabled { get; set; }
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36 |
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37 | public HistogramView() {
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38 | InitializeComponent();
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39 | }
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40 |
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41 | protected override void OnContentChanged() {
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42 | base.OnContentChanged();
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43 | if (Content != null) {
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44 | classifierComboBox.Items.Clear();
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45 | classifierComboBox.Items.Add("None");
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46 |
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47 | foreach (string var in Content.GetVariableNamesForHistogramClassification()) {
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48 | classifierComboBox.Items.Add(var);
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49 | }
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50 |
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51 | if (classifierComboBox.SelectedItem == null && Content.ClassifierVariableIndex < classifierComboBox.Items.Count) {
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52 | classifierComboBox.SelectedIndex = Content.ClassifierVariableIndex;
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53 | }
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54 | }
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55 | }
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56 |
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57 | protected override DataTable CreateDataTable(string variableName) {
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58 | var dt = new DataTable();
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59 | var row = Content.CreateDataRow(variableName, DataRowVisualProperties.DataRowChartType.Histogram);
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60 | if (Classification == null) {
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61 | dt.Rows.Add(row);
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62 | } else {
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63 | dt.VisualProperties.Title = variableName;
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64 | var valuesPerClass = row.Values.Zip(Classification, (value, @class) => new { value, @class })
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65 | .GroupBy(x => x.@class)
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66 | .ToDictionary(x => x.Key, x => x.Select(v => v.value));
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67 | foreach (var entry in valuesPerClass) {
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68 | var classRow = new DataRow(string.Format("{0} ({1})", classifierComboBox.SelectedItem, entry.Key));
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69 | classRow.VisualProperties.ChartType = DataRowVisualProperties.DataRowChartType.Histogram;
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70 | classRow.Values.AddRange(entry.Value);
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71 | dt.Rows.Add(classRow);
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72 | }
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73 | }
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74 | return dt;
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75 | }
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76 |
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77 | public new HistogramContent Content {
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78 | get { return (HistogramContent)base.Content; }
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79 | set { base.Content = value; }
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80 | }
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81 |
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82 | private void classifierComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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83 | if (classifierComboBox.SelectedItem == null)
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84 | return;
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85 |
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86 | if (classifierComboBox.SelectedIndex != 0) {
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87 | int columndIndex = Content.PreprocessingData.GetColumnIndex(classifierComboBox.SelectedItem.ToString());
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88 | Classification = Content.PreprocessingData.GetValues<double>(columndIndex).ToList();
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89 | } else {
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90 | Classification = null;
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91 | }
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92 |
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93 | Content.ClassifierVariableIndex = classifierComboBox.SelectedIndex;
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94 |
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95 | // rebuild datatables
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96 | InitData();
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97 | GenerateLayout();
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98 | }
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99 | }
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100 | }
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