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.Linq;
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24 | using HeuristicLab.Analysis;
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25 | using HeuristicLab.MainForm;
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26 |
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27 | namespace HeuristicLab.DataPreprocessing.Views {
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28 | [View("Histogram View")]
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29 | [Content(typeof(HistogramContent), true)]
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30 | public partial class HistogramView : PreprocessingChartView {
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31 | public new HistogramContent Content {
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32 | get { return (HistogramContent)base.Content; }
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33 | set { base.Content = value; }
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34 | }
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35 |
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36 | public HistogramView() {
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37 | InitializeComponent();
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38 | aggregationComboBox.DataSource = Enum.GetValues(typeof(DataRowVisualProperties.DataRowHistogramAggregation));
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39 | aggregationComboBox.SelectedItem = DataRowVisualProperties.DataRowHistogramAggregation.Overlapping;
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40 | }
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41 |
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42 | protected override void OnContentChanged() {
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43 | base.OnContentChanged();
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44 | classifierComboBox.Items.Clear();
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45 | classifierComboBox.Items.Add("");
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46 |
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47 | if (Content != null) {
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48 | foreach (string var in GetVariableNamesForGrouping(Content.PreprocessingData)) {
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49 | classifierComboBox.Items.Add(var);
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50 | }
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51 |
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52 | classifierComboBox.SelectedItem = Content.GroupingVariableName;
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53 | }
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54 | }
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55 |
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56 | protected override DataTable CreateDataTable(string variableName) {
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57 | var dataTable = new DataTable();
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58 |
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59 | if (string.IsNullOrEmpty(Content.GroupingVariableName)) {
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60 | var row = Content.CreateDataRow(variableName, DataRowVisualProperties.DataRowChartType.Histogram);
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61 | dataTable.Rows.Add(row);
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62 | return dataTable;
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63 | }
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64 |
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65 | dataTable.VisualProperties.Title = variableName;
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66 |
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67 | int variableIndex = Content.PreprocessingData.GetColumnIndex(variableName);
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68 | var variableValues = Content.PreprocessingData.GetValues<double>(variableIndex);
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69 | int groupVariableIndex = Content.PreprocessingData.GetColumnIndex(Content.GroupingVariableName);
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70 | var groupingValues = Enumerable.Empty<string>();
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71 |
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72 | if (Content.PreprocessingData.VariableHasType<double>(groupVariableIndex)) {
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73 | groupingValues = Content.PreprocessingData.GetValues<double>(groupVariableIndex).Select(x => x.ToString());
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74 | } else if (Content.PreprocessingData.VariableHasType<string>(groupVariableIndex)) {
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75 | groupingValues = Content.PreprocessingData.GetValues<string>(groupVariableIndex);
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76 | } else if (Content.PreprocessingData.VariableHasType<DateTime>(groupVariableIndex)) {
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77 | groupingValues = Content.PreprocessingData.GetValues<DateTime>(groupVariableIndex).Select(x => x.ToString());
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78 | }
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79 |
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80 | var groups = groupingValues.Zip(variableValues, Tuple.Create).GroupBy(t => t.Item1, t => t.Item2);
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81 |
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82 | foreach (var group in groups) {
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83 | var classRow = new DataRow();
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84 | classRow.Name = group.Key;
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85 | classRow.VisualProperties.ChartType = DataRowVisualProperties.DataRowChartType.Histogram;
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86 | classRow.VisualProperties.Aggregation = (DataRowVisualProperties.DataRowHistogramAggregation)aggregationComboBox.SelectedItem;
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87 | classRow.Values.AddRange(group);
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88 | dataTable.Rows.Add(classRow);
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89 | }
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90 | return dataTable;
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91 | }
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92 |
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93 |
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94 | private void classifierComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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95 | Content.GroupingVariableName = classifierComboBox.SelectedItem.ToString();
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96 |
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97 | // rebuild datatables
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98 | InitData();
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99 | GenerateLayout();
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100 | }
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101 |
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102 | private void aggregationComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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103 | foreach (var dt in dataTables.Values) {
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104 | foreach (var row in dt.Rows) {
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105 | row.VisualProperties.Aggregation = (DataRowVisualProperties.DataRowHistogramAggregation)aggregationComboBox.SelectedItem;
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106 | }
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107 | }
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108 | }
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109 | }
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110 | }
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