[9330] | 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.Linq;
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| 25 | using System.Windows.Forms;
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| 26 | using HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views;
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| 27 | using HeuristicLab.Core.Views;
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| 28 | using HeuristicLab.Data;
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| 29 | using HeuristicLab.MainForm;
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| 30 | using HeuristicLab.Optimization;
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| 31 |
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| 32 | namespace HeuristicLab.Analysis.AlgorithmBehavior.Views {
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| 33 | [View("Sample Size Checker View")]
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| 34 | [Content(typeof(RunCollection), false)]
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| 35 | public sealed partial class SampleSizeChecker : ItemView {
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| 36 |
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| 37 | private double[] data;
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| 38 |
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| 39 | public SampleSizeChecker() {
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| 40 | InitializeComponent();
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| 41 |
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| 42 | double prec = 0.01;
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| 43 | double conf = 0.95;
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| 44 | precisionTextBox.Text = prec.ToString();
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| 45 | confIntervalTextBox.Text = conf.ToString();
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| 46 | }
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| 47 |
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| 48 | public new RunCollection Content {
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| 49 | get { return (RunCollection)base.Content; }
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| 50 | set { base.Content = value; }
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| 51 | }
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| 52 |
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| 53 | public override bool ReadOnly {
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| 54 | get { return true; }
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| 55 | set { /*not needed because results are always readonly */}
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| 56 | }
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| 57 |
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| 58 | protected override void OnContentChanged() {
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| 59 | base.OnContentChanged();
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| 60 | resultComboBox.Items.Clear();
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| 61 |
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| 62 | if (Content != null) {
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| 63 | UpdateResultComboBox();
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| 64 | }
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| 65 | }
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| 66 |
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| 67 | #region events
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| 68 | protected override void RegisterContentEvents() {
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| 69 | base.RegisterContentEvents();
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| 70 | Content.ItemsAdded += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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| 71 | Content.ItemsRemoved += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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| 72 | Content.CollectionReset += new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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| 73 |
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| 74 | RegisterRunEvents(Content);
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| 75 | }
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| 76 |
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| 77 | private void RegisterRunEvents(IEnumerable<IRun> runs) {
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| 78 | foreach (IRun run in runs)
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| 79 | run.Changed += new EventHandler(run_Changed);
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| 80 | }
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| 81 |
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| 82 | protected override void DeregisterContentEvents() {
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| 83 | base.DeregisterContentEvents();
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| 84 | Content.ItemsAdded -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
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| 85 | Content.ItemsRemoved -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
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| 86 | Content.CollectionReset -= new HeuristicLab.Collections.CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
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| 87 |
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| 88 | DeregisterRunEvents(Content);
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| 89 | }
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| 90 |
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| 91 | private void DeregisterRunEvents(IEnumerable<IRun> runs) {
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| 92 | foreach (IRun run in runs)
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| 93 | run.Changed -= new EventHandler(run_Changed);
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| 94 | }
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| 95 |
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| 96 | private void Content_CollectionReset(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 97 | DeregisterRunEvents(e.OldItems);
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| 98 | RegisterRunEvents(e.Items);
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| 99 | //RebuildInfluenceDataTable();
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| 100 | }
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| 101 |
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| 102 | private void Content_ItemsRemoved(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 103 | DeregisterRunEvents(e.Items);
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| 104 | //RebuildInfluenceDataTable();
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| 105 | }
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| 106 |
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| 107 | private void Content_ItemsAdded(object sender, HeuristicLab.Collections.CollectionItemsChangedEventArgs<IRun> e) {
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| 108 | RegisterRunEvents(e.Items);
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| 109 | //RebuildInfluenceDataTable();
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| 110 | }
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| 111 |
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| 112 | private void run_Changed(object sender, EventArgs e) {
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| 113 | if (InvokeRequired)
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| 114 | this.Invoke(new EventHandler(run_Changed), sender, e);
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| 115 | else {
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| 116 | IRun run = (IRun)sender;
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| 117 | UpdateRun(run);
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| 118 | }
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| 119 | }
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| 120 | #endregion
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| 121 |
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| 122 | private void UpdateRun(IRun run) {
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| 123 | //TODO: hacky di hack... this is baaaadddd
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| 124 | RebuildDataTable();
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| 125 | }
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| 126 |
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| 127 | private void UpdateResultComboBox() {
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| 128 | resultComboBox.Items.Clear();
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| 129 | var results = (from run in Content
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| 130 | where run.Visible
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| 131 | from result in run.Results
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| 132 | where result.Value is IntValue || result.Value is DoubleValue
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| 133 | select result.Key).Distinct().ToArray();
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| 134 |
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| 135 | resultComboBox.Items.AddRange(results);
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| 136 | if (resultComboBox.Items.Count > 0) resultComboBox.SelectedItem = resultComboBox.Items[0];
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| 137 | }
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| 138 |
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| 139 | private void RebuildDataTable() {
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| 140 | string resultName = (string)resultComboBox.SelectedItem;
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| 141 |
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| 142 | var runs = Content.Where(x => x.Results.ContainsKey(resultName) && x.Visible);
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| 143 | var vals = runs.Select(x => (double)((dynamic)x.Results[resultName]).Value);
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| 144 | data = vals.ToArray();
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| 145 |
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| 146 | DoubleMatrix dt = new DoubleMatrix(runs.Count(), 1);
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| 147 | dt.ColumnNames = new string[] { resultName };
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| 148 |
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| 149 | int i = 0;
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| 150 | foreach (double val in vals) {
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| 151 | dt[i++, 0] = val;
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| 152 | }
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| 153 |
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| 154 | stringConvertibleMatrixView.Content = dt;
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| 155 | }
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| 156 |
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| 157 | private void estimateSampleSizeButton_Click(object sender, EventArgs e) {
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| 158 | double precision = double.Parse(precisionTextBox.Text);
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| 159 | double confInterval = double.Parse(confIntervalTextBox.Text);
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| 160 |
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| 161 | int nrSamplesReq = SampleSizeDetermination.DetermineSampleSizeByEstimatingMean(data, precision, confInterval);
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| 162 | int curNrSamples = data.Count();
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| 163 | int diff = curNrSamples - nrSamplesReq;
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| 164 |
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| 165 | IntMatrix m = new IntMatrix(1, 3);
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| 166 | m[0, 0] = curNrSamples;
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| 167 | m[0, 1] = nrSamplesReq;
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| 168 | m[0, 2] = diff;
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| 169 | m.ColumnNames = new string[] { "Nr. of current samples", "Minimum nr. of required samples", "Difference" };
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| 170 |
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| 171 | MainFormManager.MainForm.ShowContent(m);
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| 172 | }
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| 173 |
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| 174 | private void resultComboBox_SelectedValueChanged(object sender, EventArgs e) {
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| 175 | RebuildDataTable();
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| 176 | }
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| 177 | }
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| 178 | }
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