[15940] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Linq;
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| 4 | using System.Windows.Forms;
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| 5 | using HeuristicLab.Common;
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| 6 | using HeuristicLab.Core;
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| 7 | using HeuristicLab.Data;
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| 8 | using HeuristicLab.MainForm;
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| 9 | using HeuristicLab.MainForm.WindowsForms;
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| 10 |
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| 11 | namespace HeuristicLab.Optimization.Views.RunCollectionViews {
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| 12 | [View("Result Aggregation")]
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| 13 | [Content(typeof(RunCollection), false)]
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| 14 | public partial class RunCollectionResultAggregationView : AsynchronousContentView {
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| 15 | private enum AggregationMethod { Minimum, Maximum, Average, FirstQuartile, Median, ThirdQuartile, IQR, StdDev }
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| 16 |
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| 17 | private readonly Dictionary<AggregationMethod, Func<IEnumerable<double>, double>> aggregator = new Dictionary<AggregationMethod, Func<IEnumerable<double>, double>> {
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| 18 | { AggregationMethod.Minimum, x => x.Min() },
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| 19 | { AggregationMethod.Maximum, x => x.Max() },
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| 20 | { AggregationMethod.Average, x => x.Average() },
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| 21 | { AggregationMethod.FirstQuartile, x => x.Quantile(0.25) },
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| 22 | { AggregationMethod.Median, x => x.Median() },
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| 23 | { AggregationMethod.ThirdQuartile, x => x.Quantile(0.75) },
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| 24 | { AggregationMethod.IQR, x => x.Quantile(0.75) - x.Quantile(0.25) },
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| 25 | { AggregationMethod.StdDev, x => x.StandardDeviation() },
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| 26 | };
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| 27 |
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| 28 | public RunCollectionResultAggregationView() {
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| 29 | InitializeComponent();
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| 30 | }
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| 31 |
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| 32 | public new RunCollection Content {
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| 33 | get { return (RunCollection)base.Content; }
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| 34 | set { base.Content = value; }
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| 35 | }
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| 36 |
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| 37 | protected override void OnContentChanged() {
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| 38 | var results = GetCompatibleResults(Content);
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| 39 |
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| 40 | statisticsCheckedList.Items.Clear();
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| 41 | resultsCheckedList.Items.Clear();
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| 42 |
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| 43 | foreach (var name in Enum.GetNames(typeof(AggregationMethod))) {
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| 44 | statisticsCheckedList.Items.Add(name, false);
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| 45 | }
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| 46 |
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| 47 | foreach (var name in GetCompatibleResults(Content).OrderBy(x => x))
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| 48 | resultsCheckedList.Items.Add(name, false);
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| 49 |
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| 50 | firstCriterionComboBox.Items.Clear();
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| 51 | secondCriterionComboBox.Items.Clear();
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| 52 |
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| 53 | firstCriterionComboBox.Items.AddRange(Content.ParameterNames.OrderBy(x => x).ToArray());
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| 54 | secondCriterionComboBox.Items.AddRange(Content.ParameterNames.OrderBy(x => x).ToArray());
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| 55 |
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| 56 | base.OnContentChanged();
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| 57 | }
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| 58 |
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| 59 | private static IEnumerable<string> GetCompatibleResults(RunCollection runs) {
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| 60 | var results = new HashSet<string>(runs.First().Results.Where(x => IsCompatible(x.Value)).Select(x => x.Key));
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| 61 |
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| 62 | foreach (var run in runs.Skip(1)) {
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| 63 | results.IntersectWith(run.Results.Keys);
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| 64 | }
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| 65 |
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| 66 | return results;
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| 67 | }
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| 68 |
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| 69 | // return only results of a numeric type
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| 70 | private static bool IsCompatible(IItem item) {
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| 71 | return item is IntValue || item is DoubleValue || item is PercentValue || item is TimeSpanValue;
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| 72 | }
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| 73 |
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| 74 | private void AggregateResults() {
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| 75 | if (!(statisticsCheckedList.CheckedItems.Count > 0 && resultsCheckedList.CheckedItems.Count > 0 && !string.IsNullOrEmpty(firstCriterionComboBox.Text)))
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| 76 | return;
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| 77 |
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| 78 | var groups = new Dictionary<string, IEnumerable<IRun>>();
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| 79 | var first = Content.GroupBy(run => Content.GetValue(run, firstCriterionComboBox.Text).ToString());
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| 80 |
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| 81 | if (!string.IsNullOrEmpty(secondCriterionComboBox.Text) && secondCriterionComboBox.Text != firstCriterionComboBox.Text) {
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| 82 | foreach (var f in first) {
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| 83 | foreach (var g in f.GroupBy(run => Content.GetValue(run, secondCriterionComboBox.Text).ToString())) {
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| 84 | var key = f.Key + " " + g.Key;
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| 85 | groups.Add(key, g);
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| 86 | }
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| 87 | }
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| 88 | } else {
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| 89 | groups = first.ToDictionary(x => x.Key, x => x.AsEnumerable());
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| 90 | }
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| 91 |
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| 92 | var aggregatedDict = new Dictionary<string, List<Tuple<string, double>>>();
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| 93 |
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| 94 | foreach (var result in resultsCheckedList.CheckedItems) {
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| 95 | var resultName = result.ToString();
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| 96 | foreach (var group in groups) {
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| 97 | var values = GetValues(group.Value, resultName);
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| 98 |
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| 99 | var key = group.Key;
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| 100 | if (!aggregatedDict.ContainsKey(key)) {
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| 101 | aggregatedDict[key] = new List<Tuple<string, double>>();
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| 102 | }
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| 103 |
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| 104 | foreach (var i in statisticsCheckedList.CheckedIndices) {
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| 105 | var name = resultName + " " + (AggregationMethod)i;
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| 106 | aggregatedDict[key].Add(Tuple.Create(name, aggregator[(AggregationMethod)i](values)));
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| 107 | }
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| 108 | }
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| 109 | }
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| 110 | var groupNames = aggregatedDict.Keys.ToList();
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| 111 | var resultNames = aggregatedDict.First().Value.Select(x => x.Item1).ToList();
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| 112 |
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| 113 | if (!aggregatedDict.Values.Skip(1).All(x => resultNames.SequenceEqual(x.Select(y => y.Item1)))) {
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| 114 | throw new Exception("Inconsistent results across groups.");
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| 115 | }
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| 116 |
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| 117 | var rows = resultNames.Count;
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| 118 | var cols = groups.Count;
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| 119 |
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| 120 | var matrix = new DoubleMatrix(rows, cols);
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| 121 |
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| 122 | var col = 0;
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| 123 | foreach (var groupName in groupNames) {
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| 124 | var row = 0;
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| 125 | foreach (var resultPair in aggregatedDict[groupName]) {
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| 126 | matrix[row, col] = resultPair.Item2;
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| 127 | ++row;
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| 128 | }
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| 129 | ++col;
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| 130 | }
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| 131 | matrix.RowNames = resultNames;
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| 132 | matrix.ColumnNames = groupNames;
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| 133 |
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| 134 | aggregatedResultsMatrixView.Content = transposeMatrixCheckBox.Checked ? Transpose(matrix) : matrix;
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| 135 | }
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| 136 |
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| 137 | private IEnumerable<double> GetValues(IEnumerable<IRun> runs, string resultName) {
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| 138 | var values = new List<double>();
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| 139 |
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| 140 | foreach (var run in runs) {
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| 141 | var value = Content.GetValue(run, resultName);
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| 142 | var doubleValue = value as DoubleValue;
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| 143 | var intValue = value as IntValue;
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| 144 | var percentValue = value as PercentValue;
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| 145 | var timeSpanValue = value as TimeSpanValue;
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| 146 |
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| 147 | if (doubleValue != null) {
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| 148 | values.Add(doubleValue.Value);
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| 149 | } else if (intValue != null) {
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| 150 | values.Add(intValue.Value);
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| 151 | } else if (percentValue != null) {
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| 152 | values.Add(percentValue.Value);
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| 153 | } else if (timeSpanValue != null) {
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| 154 | values.Add(timeSpanValue.Value.TotalSeconds);
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| 155 | }
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| 156 | }
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| 157 | return values;
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| 158 | }
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| 159 |
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| 160 | private static DoubleMatrix Transpose(DoubleMatrix matrix) {
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| 161 | var transposed = new DoubleMatrix(matrix.Columns, matrix.Rows) {
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| 162 | RowNames = matrix.ColumnNames,
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| 163 | ColumnNames = matrix.RowNames
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| 164 | };
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| 165 |
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| 166 | for (int i = 0; i < matrix.Rows; ++i) {
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| 167 | for (int j = 0; j < matrix.Columns; ++j) {
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| 168 | transposed[j, i] = matrix[i, j];
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| 169 | }
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| 170 | }
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| 171 |
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| 172 | return transposed;
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| 173 | }
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| 174 |
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| 175 | #region events
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| 176 | private void aggregateByComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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| 177 | AggregateResults();
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| 178 | }
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| 179 |
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| 180 | private void resultsCheckedList_ItemCheck(object sender, ItemCheckEventArgs e) {
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| 181 | BeginInvoke((MethodInvoker)AggregateResults); // delayed execution
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| 182 | }
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| 183 |
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| 184 | private void statisticsToCalculateCheckBox_ItemCheck(object sender, ItemCheckEventArgs e) {
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| 185 | BeginInvoke((MethodInvoker)AggregateResults); // delayed execution
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| 186 | }
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| 187 |
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| 188 | private void criterionComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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| 189 | AggregateResults();
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| 190 | }
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| 191 |
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| 192 | private void transposeMatrixCheckBox_CheckedChanged(object sender, EventArgs e) {
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| 193 | if (aggregatedResultsMatrixView.Content == null)
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| 194 | return;
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| 195 |
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| 196 | var matrix = (DoubleMatrix)aggregatedResultsMatrixView.Content;
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| 197 | aggregatedResultsMatrixView.Content = Transpose(matrix);
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| 198 | }
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| 199 |
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| 200 | private void orderByStatisticCheckbox_CheckedChanged(object sender, EventArgs e) {
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| 201 | if (!orderByStatisticCheckbox.Checked) {
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| 202 | AggregateResults();
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| 203 | return;
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| 204 | }
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| 205 |
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| 206 | // we reorder the matrix rows (or columns, if transposed) so that every n_th rows (column) become successive
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| 207 | // the number of rows (columns, if transposed) in the matrix is a multiple of n
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| 208 | var matrix = (DoubleMatrix)aggregatedResultsMatrixView.Content;
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| 209 | var rowNames = matrix.RowNames.ToList();
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| 210 | var columnNames = matrix.ColumnNames.ToList();
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| 211 |
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| 212 | var ordered = new DoubleMatrix(matrix.Rows, matrix.Columns);
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| 213 | var orderedNames = new List<string>();
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| 214 |
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| 215 | var transposed = transposeMatrixCheckBox.Checked;
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| 216 | var count = statisticsCheckedList.CheckedItems.Count;
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| 217 | var outerCount = transposed ? matrix.Columns : matrix.Rows;
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| 218 | var innerCount = transposed ? matrix.Rows : matrix.Columns;
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| 219 |
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| 220 | for (int i = 0; i < count; ++i) {
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| 221 | for (int j = i; j < outerCount; j += count) {
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| 222 | var c = orderedNames.Count;
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| 223 | for (int k = 0; k < innerCount; ++k) {
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| 224 | if (transposed)
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| 225 | ordered[k, c] = matrix[k, j];
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| 226 | else
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| 227 | ordered[c, k] = matrix[j, k];
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| 228 | }
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| 229 | orderedNames.Add(transposed ? columnNames[j] : rowNames[j]);
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| 230 | }
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| 231 | }
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| 232 |
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| 233 | if (transposed) {
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| 234 | ordered.RowNames = matrix.RowNames;
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| 235 | ordered.ColumnNames = orderedNames;
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| 236 | } else {
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| 237 | ordered.ColumnNames = matrix.ColumnNames;
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| 238 | ordered.RowNames = orderedNames;
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| 239 | }
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| 240 |
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| 241 | aggregatedResultsMatrixView.Content = ordered;
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| 242 | }
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| 243 | #endregion
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| 244 | }
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| 245 | }
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