1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Drawing;
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25 | using System.Linq;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Analysis.AlgorithmBehavior.Analyzers;
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28 | using HeuristicLab.Core.Views;
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29 | using HeuristicLab.Data;
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30 | using HeuristicLab.MainForm;
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31 | using HeuristicLab.Optimization;
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32 |
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33 | namespace HeuristicLab.Analysis.AlgorithmBehavior.Views {
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34 | [View("Statistical Testing View")]
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35 | [Content(typeof(RunCollection), false)]
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36 | public sealed partial class StatisticalTestingView : ItemView {
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37 | private double[][] data;
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38 |
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39 | public StatisticalTestingView() {
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40 | InitializeComponent();
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41 | }
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42 |
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43 | public new RunCollection Content {
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44 | get { return (RunCollection)base.Content; }
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45 | set { base.Content = value; }
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46 | }
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47 |
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48 | public override bool ReadOnly {
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49 | get { return true; }
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50 | set { /*not needed because results are always readonly */}
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51 | }
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52 |
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53 | protected override void OnContentChanged() {
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54 | base.OnContentChanged();
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55 |
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56 | if (Content != null) {
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57 | UpdateResultComboBox();
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58 | UpdateGroupsComboBox();
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59 | RebuildDataTable();
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60 | }
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61 | }
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62 |
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63 | #region events
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64 | protected override void RegisterContentEvents() {
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65 | base.RegisterContentEvents();
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66 | }
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67 |
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68 | protected override void DeregisterContentEvents() {
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69 | base.DeregisterContentEvents();
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70 | }
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71 | #endregion
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72 |
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73 | private void UpdateGroupsComboBox() {
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74 | groupComboBox.Items.Clear();
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75 |
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76 | var parameters = (from run in Content
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77 | from param in run.Parameters
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78 | select param.Key).Distinct().ToArray();
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79 |
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80 | foreach (var p in parameters) {
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81 | var variations = (from run in Content
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82 | where run.Parameters.ContainsKey(p) &&
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83 | (run.Parameters[p] is IntValue || run.Parameters[p] is DoubleValue ||
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84 | run.Parameters[p] is StringValue || run.Parameters[p] is BoolValue)
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85 | select ((dynamic)run.Parameters[p]).Value).Distinct();
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86 |
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87 | if (variations.Count() > 1) {
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88 | groupComboBox.Items.Add(p);
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89 | }
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90 | }
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91 | if (groupComboBox.Items.Count > 0) groupComboBox.SelectedItem = groupComboBox.Items[0];
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92 | }
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93 |
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94 | private string[] GetColumnNames(IEnumerable<IRun> runs) {
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95 | string parameterName = (string)groupComboBox.SelectedItem;
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96 | var r = runs.Where(x => x.Parameters.ContainsKey(parameterName));
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97 | return r.Select(x => ((dynamic)x.Parameters[parameterName]).Value).Distinct().Select(x => (string)x.ToString()).ToArray();
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98 | }
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99 |
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100 | private void UpdateResultComboBox() {
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101 | resultComboBox.Items.Clear();
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102 | var results = (from run in Content
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103 | from result in run.Results
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104 | where result.Value is IntValue || result.Value is DoubleValue
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105 | select result.Key).Distinct().ToArray();
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106 |
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107 | resultComboBox.Items.AddRange(results);
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108 | if (resultComboBox.Items.Count > 0) resultComboBox.SelectedItem = resultComboBox.Items[0];
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109 | }
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110 |
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111 | private void RebuildDataTable() {
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112 | string parameterName = (string)groupComboBox.SelectedItem;
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113 | if (parameterName != null) {
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114 | string resultName = (string)resultComboBox.SelectedItem;
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115 |
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116 | var runs = Content.Where(x => x.Results.ContainsKey(resultName) && x.Visible);
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117 | var columnNames = GetColumnNames(runs);
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118 | var groups = GetGroups(columnNames, runs);
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119 | data = new double[columnNames.Count()][];
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120 |
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121 | DoubleMatrix dt = new DoubleMatrix(groups.Select(x => x.Count()).Max(), columnNames.Count());
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122 | dt.ColumnNames = columnNames;
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123 |
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124 | int i = 0;
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125 | int j = 0;
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126 | foreach (string columnName in columnNames) {
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127 | j = 0;
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128 | data[i] = new double[groups[i].Count()];
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129 | foreach (IRun run in groups[i]) {
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130 | dt[j, i] = (double)((dynamic)run.Results[resultName]).Value;
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131 | data[i][j] = dt[j, i];
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132 | j++;
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133 | }
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134 | i++;
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135 | }
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136 |
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137 | stringConvertibleMatrixView.Content = dt;
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138 | }
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139 | }
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140 |
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141 | private List<RunCollection> GetGroups(string[] columnNames, IEnumerable<IRun> runs) {
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142 | List<RunCollection> runCols = new List<RunCollection>();
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143 | string parameterName = (string)groupComboBox.SelectedItem;
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144 |
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145 | foreach (string cn in columnNames) {
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146 | var tmpRuns = runs.Where(x => ((string)((dynamic)x.Parameters[parameterName]).Value.ToString()) == cn);
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147 | runCols.Add(new RunCollection(tmpRuns));
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148 | }
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149 |
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150 | return runCols;
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151 | }
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152 |
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153 | private void testButton_Click(object sender, EventArgs e) {
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154 | double pval = KruskalWallis.Test(data);
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155 | pValTextBox.Text = pval.ToString();
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156 | }
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157 |
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158 | private void normalDistButton_Click(object sender, EventArgs e) {
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159 | double val;
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160 | List<double> res = new List<double>();
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161 |
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162 | for (int i = 0; i < data.Length; i++) {
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163 | alglib.jarqueberatest(data[i], data[i].Length, out val);
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164 | res.Add(val);
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165 | }
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166 |
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167 | for (int i = 0; i < res.Count(); i++) {
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168 | if (res[i] < 0.1) {
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169 | stringConvertibleMatrixView.DataGridView.Columns[i].DefaultCellStyle.ForeColor = Color.Red;
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170 | } else {
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171 | stringConvertibleMatrixView.DataGridView.Columns[i].DefaultCellStyle.ForeColor = Color.Green;
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172 | }
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173 | }
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174 | }
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175 |
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176 | private void resultComboBox_SelectedValueChanged(object sender, EventArgs e) {
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177 | RebuildDataTable();
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178 | pValTextBox.Text = string.Empty;
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179 | }
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180 |
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181 | private void groupComboBox_SelectedValueChanged(object sender, EventArgs e) {
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182 | RebuildDataTable();
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183 | pValTextBox.Text = string.Empty;
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184 | }
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185 |
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186 | private void normalityDetails_Click(object sender, EventArgs e) {
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187 | DoubleMatrix pValsMatrix = new DoubleMatrix(1, stringConvertibleMatrixView.Content.Columns);
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188 | pValsMatrix.ColumnNames = stringConvertibleMatrixView.Content.ColumnNames;
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189 | pValsMatrix.RowNames = new string[] { "p-Values" };
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190 |
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191 | double val;
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192 | for (int i = 0; i < data.Length; i++) {
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193 | alglib.jarqueberatest(data[i], data[i].Length, out val);
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194 | pValsMatrix[0, i] = val;
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195 | }
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196 |
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197 | MainFormManager.MainForm.ShowContent(pValsMatrix);
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198 | }
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199 |
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200 | private void pairwiseTestButton_Click(object sender, EventArgs e) {
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201 | var selectedCells = stringConvertibleMatrixView.DataGridView.SelectedCells;
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202 | if (selectedCells.Count < 1) {
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203 | MessageBox.Show("Please selected one cell/column for pairwise comparision. ", "HeuristicLab", MessageBoxButtons.OK, MessageBoxIcon.Error);
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204 | return;
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205 | }
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206 |
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207 | int colIndex = selectedCells[0].ColumnIndex;
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208 | foreach (DataGridViewCell selC in selectedCells) {
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209 | if (colIndex != selC.ColumnIndex) {
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210 | MessageBox.Show("Please selected only one column for pairwise comparision. ", "HeuristicLab", MessageBoxButtons.OK, MessageBoxIcon.Error);
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211 | return;
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212 | }
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213 | }
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214 |
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215 | DoubleMatrix pValsMatrix = new DoubleMatrix(1, stringConvertibleMatrixView.Content.Columns);
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216 | pValsMatrix.ColumnNames = stringConvertibleMatrixView.Content.ColumnNames;
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217 | pValsMatrix.RowNames = new string[] { "p-Values" };
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218 |
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219 | double bothtails;
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220 | double lefttail;
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221 | double righttail;
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222 | for (int i = 0; i < data.Length; i++) {
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223 | alglib.mannwhitneyutest(data[colIndex], data[colIndex].Length, data[i], data[i].Length, out bothtails, out lefttail, out righttail);
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224 | pValsMatrix[0, i] = bothtails;
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225 | }
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226 |
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227 | MainFormManager.MainForm.ShowContent(pValsMatrix);
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228 | }
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229 |
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230 | private void infoLabel_DoubleClick(object sender, EventArgs e) {
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231 | using (TextDialog dialog = new TextDialog("Description of statistical tests", toolTip1.GetToolTip(this.infoLabel), true)) {
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232 | dialog.ShowDialog(this);
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233 | }
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234 | }
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235 | }
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236 | }
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