1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2018 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.Collections;
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26 | using HeuristicLab.Core.Views;
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27 | using HeuristicLab.Data;
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28 | using HeuristicLab.MainForm;
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29 | using HeuristicLab.Optimization;
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30 |
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31 | namespace HeuristicLab.Analysis.Statistics.Views {
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32 | [View("Correlations")]
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33 | [Content(typeof(RunCollection), false)]
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34 | public sealed partial class CorrelationView : ItemView {
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35 | private const string PearsonName = "Pearson product-moment correlation coefficient";
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36 | private const string SpearmanName = "Spearman's rank correlation coefficient";
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37 |
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38 | private enum ResultParameterType {
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39 | Result,
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40 | Parameter
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41 | }
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42 |
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43 | private bool suppressUpdates = false;
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44 |
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45 | public new RunCollection Content {
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46 | get { return (RunCollection)base.Content; }
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47 | set { base.Content = value; }
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48 | }
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49 |
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50 | public override bool ReadOnly {
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51 | get { return true; }
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52 | set { /*not needed because results are always readonly */}
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53 | }
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54 |
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55 | public CorrelationView() {
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56 | InitializeComponent();
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57 | stringConvertibleMatrixView.Minimum = -1.0;
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58 | stringConvertibleMatrixView.Maximum = 1.0;
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59 | stringConvertibleMatrixView.FormatPattern = "0.000";
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60 |
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61 | methodComboBox.Items.Add(PearsonName);
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62 | methodComboBox.Items.Add(SpearmanName);
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63 | methodComboBox.SelectedIndex = 0;
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64 | }
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65 |
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66 | protected override void OnContentChanged() {
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67 | base.OnContentChanged();
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68 |
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69 | if (Content != null) {
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70 | RebuildCorrelationTable();
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71 | }
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72 | UpdateCaption();
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73 | }
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74 |
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75 | private void UpdateCaption() {
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76 | Caption = Content != null ? Content.OptimizerName + " Correlations" : ViewAttribute.GetViewName(GetType());
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77 | }
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78 |
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79 | #region events
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80 | protected override void RegisterContentEvents() {
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81 | base.RegisterContentEvents();
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82 | Content.ColumnsChanged += Content_ColumnsChanged;
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83 | Content.RowsChanged += Content_RowsChanged;
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84 | Content.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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85 | Content.UpdateOfRunsInProgressChanged += Content_UpdateOfRunsInProgressChanged;
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86 | }
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87 |
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88 | protected override void DeregisterContentEvents() {
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89 | base.DeregisterContentEvents();
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90 | Content.ColumnsChanged -= Content_ColumnsChanged;
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91 | Content.RowsChanged -= Content_RowsChanged;
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92 | Content.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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93 | Content.UpdateOfRunsInProgressChanged -= Content_UpdateOfRunsInProgressChanged;
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94 | }
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95 |
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96 | void Content_RowsChanged(object sender, EventArgs e) {
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97 | if (suppressUpdates) return;
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98 | if (InvokeRequired) Invoke((Action<object, EventArgs>)Content_RowsChanged, sender, e);
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99 | else {
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100 | UpdateUI();
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101 | }
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102 | }
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103 |
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104 | void Content_ColumnsChanged(object sender, EventArgs e) {
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105 | if (suppressUpdates) return;
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106 | if (InvokeRequired) Invoke((Action<object, EventArgs>)Content_ColumnsChanged, sender, e);
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107 | else {
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108 | UpdateUI();
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109 | }
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110 | }
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111 |
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112 | private void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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113 | if (suppressUpdates) return;
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114 | if (InvokeRequired) Invoke((Action<object, CollectionItemsChangedEventArgs<IRun>>)Content_CollectionReset, sender, e);
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115 | else {
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116 | UpdateUI();
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117 | }
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118 | }
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119 |
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120 | private void Content_UpdateOfRunsInProgressChanged(object sender, EventArgs e) {
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121 | if (InvokeRequired) Invoke((Action<object, EventArgs>)Content_UpdateOfRunsInProgressChanged, sender, e);
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122 | else {
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123 | suppressUpdates = Content.UpdateOfRunsInProgress;
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124 | UpdateUI();
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125 | }
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126 | }
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127 | #endregion
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128 |
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129 | private void UpdateUI() {
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130 | RebuildCorrelationTable();
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131 | }
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132 |
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133 | private List<string> GetResultRowNames() {
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134 | var results = (from run in Content
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135 | where run.Visible
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136 | from result in run.Results
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137 | where result.Value is DoubleValue || result.Value is IntValue
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138 | select result.Key).Distinct().OrderBy(x => x).ToList();
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139 |
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140 | return results;
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141 | }
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142 |
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143 | private List<string> GetParameterRowNames() {
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144 | var parameters = (from run in Content
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145 | where run.Visible
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146 | from parameter in run.Parameters
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147 | where parameter.Value is DoubleValue || parameter.Value is IntValue
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148 | select parameter.Key).Distinct().OrderBy(x => x).ToList();
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149 |
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150 | return parameters;
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151 | }
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152 |
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153 | private Dictionary<string, ResultParameterType> GetRowNames() {
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154 | Dictionary<string, ResultParameterType> ret = new Dictionary<string, ResultParameterType>();
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155 |
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156 | var results = GetResultRowNames();
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157 | var parameters = GetParameterRowNames();
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158 |
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159 | foreach (var r in results) {
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160 | ret.Add(r, ResultParameterType.Result);
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161 | }
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162 | foreach (var p in parameters) {
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163 | if (!ret.ContainsKey(p)) {
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164 | ret.Add(p, ResultParameterType.Parameter);
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165 | }
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166 | }
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167 |
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168 | return ret;
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169 | }
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170 |
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171 | private List<double> GetDoublesFromResults(List<IRun> runs, string key) {
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172 | List<double> res = new List<double>();
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173 |
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174 | foreach (var r in runs) {
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175 | if (r.Results[key] is DoubleValue) {
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176 | res.Add(((DoubleValue)r.Results[key]).Value);
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177 | } else {
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178 | res.Add(((IntValue)r.Results[key]).Value);
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179 | }
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180 | }
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181 | return res;
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182 | }
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183 |
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184 | private List<double> GetDoublesFromParameters(List<IRun> runs, string key) {
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185 | List<double> res = new List<double>();
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186 |
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187 | foreach (var r in runs) {
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188 | if (r.Parameters[key] is DoubleValue) {
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189 | res.Add(((DoubleValue)r.Parameters[key]).Value);
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190 | } else {
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191 | res.Add(((IntValue)r.Parameters[key]).Value);
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192 | }
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193 | }
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194 | return res;
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195 | }
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196 |
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197 | private List<double> GetValuesFromResultsParameters(IEnumerable<IRun> runs, string name, ResultParameterType type) {
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198 | if (type == ResultParameterType.Parameter) {
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199 | return GetDoublesFromParameters(runs.Where(x => x.Parameters.ContainsKey(name)).ToList(), name);
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200 | } else if (type == ResultParameterType.Result) {
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201 | return GetDoublesFromResults(runs.Where(x => x.Results.ContainsKey(name)).ToList(), name);
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202 | } else {
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203 | return null;
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204 | }
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205 | }
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206 |
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207 | private void RebuildCorrelationTable() {
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208 | Dictionary<string, ResultParameterType> resultsParameters = GetRowNames();
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209 | string methodName = (string)methodComboBox.SelectedItem;
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210 | var columnNames = resultsParameters.Keys.ToArray();
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211 |
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212 | var runs = Content.Where(x => x.Visible);
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213 |
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214 | DoubleMatrix dt = new DoubleMatrix(resultsParameters.Count(), columnNames.Count());
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215 | dt.RowNames = columnNames;
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216 | dt.ColumnNames = columnNames;
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217 |
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218 | int i = 0;
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219 | foreach (var res in resultsParameters) {
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220 | var rowValues =
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221 | GetValuesFromResultsParameters(runs, res.Key, res.Value)
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222 | .Where(x => !double.IsNaN(x) && !double.IsNegativeInfinity(x) && !double.IsPositiveInfinity(x));
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223 |
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224 | int j = 0;
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225 | foreach (var cres in resultsParameters) {
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226 | var columnValues = GetValuesFromResultsParameters(runs, cres.Key, cres.Value)
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227 | .Where(x => !double.IsNaN(x) && !double.IsNegativeInfinity(x) && !double.IsPositiveInfinity(x));
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228 |
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229 | if (!rowValues.Any() || !columnValues.Any() || rowValues.Count() != columnValues.Count()) {
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230 | dt[i, j] = double.NaN;
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231 | } else if (i == j) {
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232 | dt[i, j] = 1.0;
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233 | } else {
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234 | if (methodName == PearsonName) {
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235 | dt[i, j] = alglib.pearsoncorr2(rowValues.ToArray(), columnValues.ToArray());
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236 | } else {
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237 | dt[i, j] = alglib.spearmancorr2(rowValues.ToArray(), columnValues.ToArray());
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238 | }
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239 | }
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240 | j++;
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241 | }
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242 | i++;
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243 | }
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244 |
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245 | dt.SortableView = true;
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246 | stringConvertibleMatrixView.Content = dt;
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247 | }
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248 |
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249 | private void methodComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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250 | if (Content != null) {
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251 | RebuildCorrelationTable();
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252 | }
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253 | }
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254 | }
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255 | }
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