1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2011 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.Common;
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26 | using HeuristicLab.Core;
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27 | using HeuristicLab.Data;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 | using HeuristicLab.Optimization;
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30 | using HeuristicLab.Parameters;
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31 |
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32 | namespace HeuristicLab.Problems.DataAnalysis {
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33 | [StorableClass]
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34 | public abstract class DataAnalysisProblemData : ParameterizedNamedItem,
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35 | IDataAnalysisProblemData {
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36 | private const string DatasetParameterName = "Dataset";
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37 | private const string InputVariablesParameterName = "Input variables";
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38 | private const string TrainingSamplesStartParameterName = "Training partition start";
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39 | private const string TrainingSamplesEndParameterName = "Training partition end";
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40 | private const string TestSamplesStartParameterName = "Test partition start";
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41 | private const string TestSamplesEndParameterName = "Test partition end";
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42 |
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43 | #region default data
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44 | // y = x^4 + x^3 + x^2 + x
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45 | private static double[,] kozaF1 = new double[,] {
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46 | {2.017885919, -1.449165046},
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47 | {1.30060506, -1.344523885},
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48 | {1.147134798, -1.317989331},
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49 | {0.877182504, -1.266142284},
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50 | {0.852562452, -1.261020794},
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51 | {0.431095788, -1.158793317},
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52 | {0.112586002, -1.050908405},
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53 | {0.04594507, -1.021989402},
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54 | {0.042572879, -1.020438113},
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55 | {-0.074027291, -0.959859562},
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56 | {-0.109178553, -0.938094706},
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57 | {-0.259721109, -0.803635355},
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58 | {-0.272991057, -0.387519561},
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59 | {-0.161978191, -0.193611001},
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60 | {-0.102489983, -0.114215349},
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61 | {-0.01469968, -0.014918985},
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62 | {-0.008863365, -0.008942626},
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63 | {0.026751057, 0.026054094},
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64 | {0.166922436, 0.14309643},
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65 | {0.176953808, 0.1504144},
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66 | {0.190233418, 0.159916534},
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67 | {0.199800708, 0.166635331},
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68 | {0.261502822, 0.207600348},
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69 | {0.30182879, 0.232370249},
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70 | {0.83763905, 0.468046718}
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71 | };
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72 | #endregion
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73 |
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74 | #region parameter properties
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75 | public IValueParameter<Dataset> DatasetParameter {
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76 | get { return (IValueParameter<Dataset>)Parameters[DatasetParameterName]; }
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77 | }
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78 | public IValueParameter<CheckedItemList<StringValue>> InputVariablesParameter {
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79 | get { return (IValueParameter<CheckedItemList<StringValue>>)Parameters[InputVariablesParameterName]; }
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80 | }
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81 | public IValueParameter<IntValue> TrainingSamplesStartParameter {
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82 | get { return (IValueParameter<IntValue>)Parameters[TrainingSamplesStartParameterName]; }
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83 | }
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84 | public IValueParameter<IntValue> TrainingSamplesEndParameter {
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85 | get { return (IValueParameter<IntValue>)Parameters[TrainingSamplesEndParameterName]; }
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86 | }
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87 | public IValueParameter<IntValue> TestSamplesStartParameter {
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88 | get { return (IValueParameter<IntValue>)Parameters[TestSamplesStartParameterName]; }
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89 | }
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90 | public IValueParameter<IntValue> TestSamplesEndParameter {
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91 | get { return (IValueParameter<IntValue>)Parameters[TestSamplesEndParameterName]; }
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92 | }
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93 | #endregion
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94 | #region propeties
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95 | public Dataset Dataset {
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96 | get { return DatasetParameter.Value; }
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97 | }
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98 |
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99 | public IEnumerable<string> InputVariables {
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100 | get { return InputVariablesParameter.Value.CheckedItems.Select(i => i.Value.Value); }
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101 | }
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102 |
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103 | public int TrainingSamplesStart {
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104 | get { return TrainingSamplesStartParameter.Value.Value; }
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105 | set {
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106 | if (value != TrainingSamplesStart) {
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107 | TrainingSamplesStartParameter.Value.Value = value;
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108 | }
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109 | }
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110 | }
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111 |
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112 | public int TrainingSamplesEnd {
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113 | get { return TrainingSamplesEndParameter.Value.Value; }
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114 | set {
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115 | if (value != TrainingSamplesEnd) {
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116 | TrainingSamplesEndParameter.Value.Value = value;
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117 | }
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118 | }
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119 | }
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120 |
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121 | public int TestSamplesStart {
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122 | get { return TestSamplesStartParameter.Value.Value; }
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123 | set {
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124 | if (value != TestSamplesStart) {
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125 | TestSamplesStartParameter.Value.Value = value;
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126 | }
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127 | }
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128 | }
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129 |
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130 | public int TestSamplesEnd {
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131 | get { return TestSamplesEndParameter.Value.Value; }
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132 | set {
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133 | if (value != TestSamplesEnd) {
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134 | TestSamplesEndParameter.Value.Value = value;
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135 | }
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136 | }
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137 | }
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138 |
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139 | public event EventHandler Changed;
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140 | #endregion
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141 |
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142 | protected DataAnalysisProblemData(DataAnalysisProblemData original, Cloner cloner)
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143 | : base(original, cloner) {
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144 | RegisterEventHandlers();
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145 | }
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146 | [StorableConstructor]
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147 | protected DataAnalysisProblemData(bool deserializing) : base(deserializing) { }
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148 | public DataAnalysisProblemData()
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149 | : base() {
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150 | List<string> variableNames = new List<string>() { "x", "f(x)" };
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151 | Dataset kozaF1Dataset = new Dataset(variableNames, kozaF1);
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152 | kozaF1Dataset.Name = "Fourth-order Polynomial Function Benchmark Dataset";
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153 | kozaF1Dataset.Description = "f(x) = x^4 + x^3 + x^2 + x^1";
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154 | CheckedItemList<StringValue> inputVariablesList = new CheckedItemList<StringValue>();
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155 | StringValue x = new StringValue(variableNames[0]);
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156 | StringValue fx = new StringValue(variableNames[1]);
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157 | inputVariablesList.Add(x, true);
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158 | inputVariablesList.Add(fx, false);
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159 | Parameters.Add(new ValueParameter<Dataset>(DatasetParameterName, kozaF1Dataset));
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160 | Parameters.Add(new ValueParameter<CheckedItemList<StringValue>>(InputVariablesParameterName, inputVariablesList));
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161 | Parameters.Add(new ValueParameter<IntValue>(TrainingSamplesStartParameterName, new IntValue(0)));
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162 | Parameters.Add(new ValueParameter<IntValue>(TrainingSamplesEndParameterName, new IntValue(kozaF1Dataset.Rows)));
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163 | Parameters.Add(new ValueParameter<IntValue>(TestSamplesStartParameterName, new IntValue(kozaF1Dataset.Rows)));
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164 | Parameters.Add(new ValueParameter<IntValue>(TestSamplesEndParameterName, new IntValue(kozaF1Dataset.Rows)));
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165 |
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166 | RegisterEventHandlers();
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167 | }
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168 |
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169 | [StorableHook(HookType.AfterDeserialization)]
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170 | private void AfterDeserialization() {
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171 | RegisterEventHandlers();
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172 | }
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173 |
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174 | #region changed event propagation
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175 | private void RegisterEventHandlers() {
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176 | DatasetParameter.ValueChanged += new EventHandler(DatasetParameter_ValueChanged);
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177 | TrainingSamplesStartParameter.ValueChanged += new EventHandler(TrainingSamplesStartParameter_ValueChanged);
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178 | TrainingSamplesEndParameter.ValueChanged += new EventHandler(TrainingSamplesEndParameter_ValueChanged);
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179 | TestSamplesStartParameter.ValueChanged += new EventHandler(TestSamplesStartParameter_ValueChanged);
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180 | TestSamplesEndParameter.ValueChanged += new EventHandler(TestSamplesEndParameter_ValueChanged);
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181 |
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182 | DatasetParameter.Value.Reset += new EventHandler(DatasetChanged);
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183 | DatasetParameter.Value.ColumnsChanged += new EventHandler(DatasetChanged);
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184 | DatasetParameter.Value.RowsChanged += new EventHandler(DatasetChanged);
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185 | InputVariablesParameter.Value.CheckedItemsChanged += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_CheckedItemsChanged);
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186 | InputVariablesParameter.Value.CollectionReset += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_CollectionReset);
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187 | InputVariablesParameter.Value.ItemsAdded += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsAdded);
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188 | InputVariablesParameter.Value.ItemsMoved += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsMoved);
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189 | InputVariablesParameter.Value.ItemsRemoved += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsRemoved);
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190 | InputVariablesParameter.Value.ItemsReplaced += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsReplaced);
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191 |
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192 | TrainingSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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193 | TrainingSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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194 | TestSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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195 | TestSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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196 | }
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197 |
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198 | private void DatasetParameter_ValueChanged(object sender, EventArgs e) {
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199 | DatasetParameter.Value.Reset += new EventHandler(DatasetChanged);
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200 | DatasetParameter.Value.ColumnsChanged += new EventHandler(DatasetChanged);
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201 | DatasetParameter.Value.RowsChanged += new EventHandler(DatasetChanged);
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202 | OnProblemChanged();
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203 | }
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204 |
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205 | private void TestSamplesEndParameter_ValueChanged(object sender, EventArgs e) {
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206 | TestSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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207 | OnProblemChanged();
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208 | }
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209 |
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210 | private void TestSamplesStartParameter_ValueChanged(object sender, EventArgs e) {
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211 | TestSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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212 | OnProblemChanged();
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213 | }
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214 |
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215 | private void TrainingSamplesEndParameter_ValueChanged(object sender, EventArgs e) {
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216 | TrainingSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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217 | OnProblemChanged();
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218 | }
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219 |
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220 | private void TrainingSamplesStartParameter_ValueChanged(object sender, EventArgs e) {
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221 | TrainingSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
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222 | OnProblemChanged();
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223 | }
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224 |
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225 | private void Partitions_ValueChanged(object sender, EventArgs e) {
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226 | OnProblemChanged();
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227 | }
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228 |
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229 | private void InputVariables_ItemsReplaced(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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230 | OnProblemChanged();
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231 | }
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232 |
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233 | private void InputVariables_ItemsRemoved(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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234 | OnProblemChanged();
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235 | }
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236 |
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237 | private void InputVariables_ItemsMoved(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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238 | OnProblemChanged();
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239 | }
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240 |
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241 | private void InputVariables_ItemsAdded(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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242 | OnProblemChanged();
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243 | }
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244 |
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245 | private void InputVariables_CollectionReset(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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246 | OnProblemChanged();
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247 | }
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248 |
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249 | private void InputVariables_CheckedItemsChanged(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
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250 | OnProblemChanged();
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251 | }
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252 |
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253 | private void DatasetChanged(object sender, EventArgs e) {
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254 | OnProblemChanged();
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255 | }
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256 |
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257 | protected virtual void OnProblemChanged() {
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258 | var listeners = Changed;
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259 | if (listeners != null) listeners(this, EventArgs.Empty);
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260 | }
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261 | #endregion
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262 | }
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263 | }
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