Changeset 3933
- Timestamp:
- 06/21/10 13:21:14 (14 years ago)
- Location:
- trunk/sources
- Files:
-
- 8 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/SupportVectorRegression/SupportVectorRegressionSolution.cs
r3916 r3933 65 65 private Dataset CalculateSupportVectors() { 66 66 if (Model.Model.SupportVectorIndizes.Length == 0) 67 return new Dataset( );67 return new Dataset(new List<string>(),new double[0,0]); 68 68 69 Dataset dataset = new Dataset(ProblemData.Dataset.VariableNames, new double[Model.Model.SupportVectorCount, ProblemData.Dataset.Columns]);69 double[,] data = new double[Model.Model.SupportVectorIndizes.Length, ProblemData.Dataset.Columns]; 70 70 for (int i = 0; i < Model.Model.SupportVectorIndizes.Length; i++) { 71 71 for (int column = 0; column < ProblemData.Dataset.Columns; column++) 72 data set[i, column] = ProblemData.Dataset[Model.Model.SupportVectorIndizes[i], column];72 data[i, column] = ProblemData.Dataset[Model.Model.SupportVectorIndizes[i], column]; 73 73 } 74 return dataset;74 return new Dataset(ProblemData.Dataset.VariableNames, data); 75 75 } 76 76 -
trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/EstimatedValuesView.cs
r3566 r3933 91 91 double[,] values = 92 92 MatrixExtensions<double>.Create( 93 Content.ProblemData.Dataset [Content.ProblemData.TargetVariable.Value],93 Content.ProblemData.Dataset.GetVariableValues(Content.ProblemData.TargetVariable.Value), 94 94 Content.EstimatedValues.ToArray()); 95 95 var content = new DoubleMatrix(values); -
trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/LineChartView.cs
r3916 r3933 64 64 this.chart.Series[TARGETVARIABLE_SERIES_NAME].LegendText = Content.ProblemData.TargetVariable.Value; 65 65 this.chart.Series[TARGETVARIABLE_SERIES_NAME].ChartType = SeriesChartType.FastLine; 66 this.chart.Series[TARGETVARIABLE_SERIES_NAME].Points.DataBindY(Content.ProblemData.Dataset [Content.ProblemData.TargetVariable.Value]);66 this.chart.Series[TARGETVARIABLE_SERIES_NAME].Points.DataBindY(Content.ProblemData.Dataset.GetVariableValues(Content.ProblemData.TargetVariable.Value)); 67 67 this.UpdateStripLines(); 68 68 -
trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/ScatterPlotView.cs
r3904 r3933 137 137 int testStart = Content.ProblemData.TestSamplesStart.Value; 138 138 int testEnd = Content.ProblemData.TestSamplesEnd.Value; 139 if (this.chart.Series[ALL_SERIES].Points.Count > 0)140 this.chart.Series[ALL_SERIES].Points.DataBindXY(Content.EstimatedValues.ToArray(), "",141 dataset[targetVariableName], "");139 if (this.chart.Series[ALL_SERIES].Points.Count > 0) 140 this.chart.Series[ALL_SERIES].Points.DataBindXY(Content.EstimatedValues.ToArray(), "", 141 dataset.GetVariableValues(targetVariableName), ""); 142 142 if (this.chart.Series[TRAINING_SERIES].Points.Count > 0) 143 this.chart.Series[TRAINING_SERIES].Points.DataBindXY(Content.EstimatedTrainingValues.ToArray(), "",144 dataset.GetVariableValues(targetVariableName, trainingStart, trainingEnd), "");143 this.chart.Series[TRAINING_SERIES].Points.DataBindXY(Content.EstimatedTrainingValues.ToArray(), "", 144 dataset.GetVariableValues(targetVariableName, trainingStart, trainingEnd), ""); 145 145 if (this.chart.Series[TEST_SERIES].Points.Count > 0) 146 this.chart.Series[TEST_SERIES].Points.DataBindXY(Content.EstimatedTestValues.ToArray(), "",147 dataset.GetVariableValues(targetVariableName, testStart, testEnd), "");148 149 double max = Math.Max(Content.EstimatedValues.Max(), dataset.Get Max(targetVariableName));150 double min = Math.Min(Content.EstimatedValues.Min(), dataset.Get Min(targetVariableName));146 this.chart.Series[TEST_SERIES].Points.DataBindXY(Content.EstimatedTestValues.ToArray(), "", 147 dataset.GetVariableValues(targetVariableName, testStart, testEnd), ""); 148 149 double max = Math.Max(Content.EstimatedValues.Max(), dataset.GetVariableValues(targetVariableName).Max()); 150 double min = Math.Min(Content.EstimatedValues.Min(), dataset.GetVariableValues(targetVariableName).Min()); 151 151 152 152 max = Math.Ceiling(max) * 1.2; … … 185 185 case ALL_SERIES: 186 186 predictedValues = Content.EstimatedValues; 187 targetValues = dataset [targetVariableName];187 targetValues = dataset.GetVariableValues(targetVariableName); 188 188 break; 189 189 case TRAINING_SERIES: -
trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/DataAnalysisProblemData.cs
r3723 r3933 100 100 if (value != Dataset) { 101 101 if (value == null) throw new ArgumentNullException(); 102 if (Dataset != null) DeregisterDatasetEventHandlers();103 102 DatasetParameter.Value = value; 104 103 } … … 216 215 217 216 private void RegisterParameterValueEventHandlers() { 218 RegisterDatasetEventHandlers();219 217 RegisterInputVariablesEventHandlers(); 220 218 if (TargetVariable != null) RegisterStringValueEventHandlers(TargetVariable); … … 228 226 #region parameter value changed event handlers 229 227 void DatasetParameter_ValueChanged(object sender, EventArgs e) { 230 RegisterDatasetEventHandlers();231 228 OnProblemDataChanged(EventArgs.Empty); 232 229 } … … 258 255 } 259 256 #endregion 260 261 262 private void RegisterDatasetEventHandlers() {263 Dataset.DataChanged += new EventHandler<EventArgs<int, int>>(Dataset_DataChanged);264 Dataset.Reset += new EventHandler(Dataset_Reset);265 Dataset.ColumnNamesChanged += new EventHandler(Dataset_ColumnNamesChanged);266 }267 268 private void DeregisterDatasetEventHandlers() {269 Dataset.DataChanged -= new EventHandler<EventArgs<int, int>>(Dataset_DataChanged);270 Dataset.Reset -= new EventHandler(Dataset_Reset);271 Dataset.ColumnNamesChanged -= new EventHandler(Dataset_ColumnNamesChanged);272 }273 274 void Dataset_ColumnNamesChanged(object sender, EventArgs e) {275 OnProblemDataChanged(e);276 }277 278 void Dataset_Reset(object sender, EventArgs e) {279 OnProblemDataChanged(e);280 }281 282 void Dataset_DataChanged(object sender, EventArgs<int, int> e) {283 OnProblemDataChanged(e);284 }285 257 286 258 private void RegisterInputVariablesEventHandlers() { -
trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/DataAnalysisSolution.cs
r3921 r3933 154 154 public override IDeepCloneable Clone(Cloner cloner) { 155 155 DataAnalysisSolution clone = (DataAnalysisSolution)base.Clone(cloner); 156 // don't clone the problem data! 157 clone.problemData = problemData; 156 clone.problemData = (DataAnalysisProblemData)cloner.Clone(problemData); 158 157 clone.model = (IDataAnalysisModel)cloner.Clone(model); 159 158 clone.lowerEstimationLimit = lowerEstimationLimit; -
trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Dataset.cs
r3892 r3933 35 35 [StorableClass] 36 36 public sealed class Dataset : NamedItem, IStringConvertibleMatrix { 37 public Dataset() 38 : base() { 39 this.Name = string.Empty; 40 this.data = new double[0, 0]; 41 this.variableNames = new string[0]; 42 this.SortableView = false; 37 [StorableConstructor] 38 protected Dataset(bool deserializing) 39 : base(deserializing) { 43 40 } 44 41 45 42 public Dataset(IEnumerable<string> variableNames, double[,] data) 46 : this() {43 : base() { 47 44 Name = "-"; 48 45 if (variableNames.Count() != data.GetLength(1)) { 49 46 throw new ArgumentException("Number of variable names doesn't match the number of columns of data"); 50 47 } 51 this.data = data;48 this.data = (double[,])data.Clone(); 52 49 this.variableNames = variableNames.ToArray(); 53 50 } … … 57 54 public IEnumerable<string> VariableNames { 58 55 get { return variableNames; } 59 private set {60 if (variableNames != value) {61 variableNames = value.ToArray();62 OnColumnNamesChanged();63 }64 }65 56 } 66 57 … … 69 60 private double[,] Data { 70 61 get { return data; } 71 set {72 if (data != value) {73 if (value == null) throw new ArgumentNullException();74 this.data = value;75 OnReset(EventArgs.Empty);76 }77 }78 62 } 79 63 … … 81 65 public double this[int rowIndex, int columnIndex] { 82 66 get { return data[rowIndex, columnIndex]; } 83 set {84 if (!value.Equals(data[rowIndex, columnIndex])) {85 data[rowIndex, columnIndex] = value;86 OnDataChanged(new EventArgs<int, int>(rowIndex, columnIndex));87 OnItemChanged(rowIndex, columnIndex);88 }89 }90 67 } 68 91 69 public double this[string variableName, int rowIndex] { 92 70 get { … … 94 72 return data[rowIndex, columnIndex]; 95 73 } 96 set {97 int columnIndex = GetVariableIndex(variableName);98 if (!value.Equals(data[rowIndex, columnIndex])) {99 data[rowIndex, columnIndex] = value;100 OnDataChanged(new EventArgs<int, int>(rowIndex, columnIndex));101 OnItemChanged(rowIndex, columnIndex);102 }103 }104 74 } 105 // access to full columns 106 public double[] this[string variableName]{107 get { return GetVariableValues(GetVariableIndex(variableName), 0, Rows); }75 76 public double[] GetVariableValues(int variableIndex) { 77 return GetVariableValues(variableIndex, 0, Rows); 108 78 } 109 79 … … 118 88 values[i] = data[i + start, variableIndex]; 119 89 return values; 90 } 91 92 public double[] GetVariableValues(string variableName) { 93 return GetVariableValues(GetVariableIndex(variableName), 0, Rows); 120 94 } 121 95 … … 135 109 throw new ArgumentException("The variable name " + variableName + " was not found."); 136 110 } 111 #endregion 137 112 138 public void SetVariableName(int variableIndex, string name) { 139 if (name == null) throw new ArgumentNullException("Cannot set variable name to null for variable at index " + variableIndex + " variableIndex"); 140 if (variableNames.Contains(name)) throw new ArgumentException("The data set already contains a variable with name " + name + "."); 141 if (variableIndex < 0 || variableIndex >= variableNames.Length) throw new ArgumentException(" Cannot set name of not existent variable at index " + variableIndex + "."); 142 variableNames[variableIndex] = name; 143 OnColumnNamesChanged(); 113 public double[,] GetClonedData() { 114 return (double[,])data.Clone(); 144 115 } 145 116 146 #endregion 147 148 #region variable statistics 149 public double GetMean(string variableName) { 150 return GetMean(GetVariableIndex(variableName)); 117 public override IDeepCloneable Clone(Cloner cloner) { 118 return this; 151 119 } 152 120 153 public double GetMean(string variableName, int start, int end) {154 return GetMean(GetVariableIndex(variableName), start, end);155 }156 157 public double GetMean(int variableIndex) {158 return GetMean(variableIndex, 0, Rows);159 }160 161 public double GetMean(int variableIndex, int start, int end) {162 return GetVariableValues(variableIndex, start, end).Average();163 }164 165 public double GetRange(string variableName) {166 return GetRange(GetVariableIndex(variableName));167 }168 169 public double GetRange(int variableIndex) {170 return GetRange(variableIndex, 0, Rows);171 }172 173 public double GetRange(string variableName, int start, int end) {174 return GetRange(GetVariableIndex(variableName), start, end);175 }176 177 public double GetRange(int variableIndex, int start, int end) {178 var values = GetVariableValues(variableIndex, start, end);179 return values.Max() - values.Min();180 }181 182 public double GetMax(string variableName) {183 return GetMax(GetVariableIndex(variableName));184 }185 186 public double GetMax(int variableIndex) {187 return GetMax(variableIndex, 0, Rows);188 }189 190 public double GetMax(string variableName, int start, int end) {191 return GetMax(GetVariableIndex(variableName), start, end);192 }193 194 public double GetMax(int variableIndex, int start, int end) {195 return GetVariableValues(variableIndex, start, end).Max();196 }197 198 public double GetMin(string variableName) {199 return GetMin(GetVariableIndex(variableName));200 }201 202 public double GetMin(int variableIndex) {203 return GetMin(variableIndex, 0, Rows);204 }205 206 public double GetMin(string variableName, int start, int end) {207 return GetMin(GetVariableIndex(variableName), start, end);208 }209 210 public double GetMin(int variableIndex, int start, int end) {211 return GetVariableValues(variableIndex, start, end).Min();212 }213 214 public int GetMissingValues(string variableName) {215 return GetMissingValues(GetVariableIndex(variableName));216 }217 public int GetMissingValues(int variableIndex) {218 return GetMissingValues(variableIndex, 0, Rows);219 }220 221 public int GetMissingValues(string variableName, int start, int end) {222 return GetMissingValues(GetVariableIndex(variableName), start, end);223 }224 225 public int GetMissingValues(int variableIndex, int start, int end) {226 return GetVariableValues(variableIndex, start, end).Count(x => double.IsNaN(x));227 }228 229 #endregion230 231 public override IDeepCloneable Clone(Cloner cloner) {232 Dataset clone = (Dataset)base.Clone(cloner);233 clone.data = (double[,])data.Clone();234 clone.variableNames = (string[])variableNames.Clone();235 return clone;236 }237 238 #region events239 public event EventHandler<EventArgs<int, int>> DataChanged;240 private void OnDataChanged(EventArgs<int, int> e) {241 var listeners = DataChanged;242 if (listeners != null) listeners(this, e);243 }244 121 public event EventHandler Reset; 245 122 private void OnReset(EventArgs e) { … … 247 124 if (listeners != null) listeners(this, e); 248 125 } 249 #endregion250 126 251 127 #region IStringConvertibleMatrix Members 252 128 253 129 public int Rows { 254 get { 255 return data.GetLength(0); 256 } 257 set { 258 if (value == 0) throw new ArgumentException("Number of rows must be at least one (for variable names)"); 259 if (value != Rows) { 260 var newValues = new double[value, Columns]; 261 for (int row = 0; row < Math.Min(Rows, value); row++) { 262 for (int column = 0; column < Columns; column++) { 263 newValues[row, column] = data[row, column]; 264 } 265 } 266 Data = newValues; 267 } 268 } 130 get { return data.GetLength(0); } 131 set { throw new NotSupportedException(); } 269 132 } 270 133 271 134 public int Columns { 272 get { 273 return data.GetLength(1); 274 } 275 set { 276 if (value != Columns) { 277 var newValues = new double[Rows, value]; 278 var newVariableNames = new string[value]; 279 for (int row = 0; row < Rows; row++) { 280 for (int column = 0; column < Math.Min(value, Columns); column++) { 281 newValues[row, column] = data[row, column]; 282 } 283 } 284 string formatString = new StringBuilder().Append('0', (int)Math.Log10(value) + 1).ToString(); // >= 100 variables => ### 285 for (int column = 0; column < value; column++) { 286 if (column < Columns) 287 newVariableNames[column] = variableNames[column]; 288 else 289 newVariableNames[column] = "Var" + column.ToString(formatString); 290 } 291 VariableNames = newVariableNames; 292 Data = newValues; 293 } 294 } 135 get { return data.GetLength(1); } 136 set { throw new NotSupportedException(); } 295 137 } 296 138 297 [Storable]298 private bool sortableView;299 139 public bool SortableView { 300 get { return sortableView; } 301 set { 302 if (value != sortableView) { 303 sortableView = value; 304 OnSortableViewChanged(); 305 } 306 } 140 get { return false; } 141 set { throw new NotSupportedException(); } 307 142 } 308 143 309 144 public bool ReadOnly { 310 get { return false; }145 get { return true; } 311 146 } 312 147 313 148 IEnumerable<string> IStringConvertibleMatrix.ColumnNames { 314 149 get { return this.VariableNames; } 315 set { 316 int i = 0; 317 foreach (string variableName in value) { 318 SetVariableName(i, variableName); 319 i++; 320 } 321 OnColumnNamesChanged(); 322 } 150 set { throw new NotSupportedException(); } 323 151 } 324 152 325 153 IEnumerable<string> IStringConvertibleMatrix.RowNames { 326 154 get { return new List<string>(); } 327 set { throw new Not ImplementedException(); }155 set { throw new NotSupportedException(); } 328 156 } 329 157 330 158 public bool Validate(string value, out string errorMessage) { 331 double val; 332 bool valid = double.TryParse(value, out val); 333 errorMessage = string.Empty; 334 if (!valid) { 335 StringBuilder sb = new StringBuilder(); 336 sb.Append("Invalid Value (Valid Value Format: \""); 337 sb.Append(FormatPatterns.GetDoubleFormatPattern()); 338 sb.Append("\")"); 339 errorMessage = sb.ToString(); 340 } 341 return valid; 159 throw new NotSupportedException(); 342 160 } 343 161 … … 347 165 348 166 public bool SetValue(string value, int rowIndex, int columnIndex) { 349 double v; 350 if (double.TryParse(value, out v)) { 351 data[rowIndex, columnIndex] = v; 352 OnDataChanged(new EventArgs<int, int>(rowIndex, columnIndex)); 353 OnItemChanged(rowIndex, columnIndex); 354 return true; 355 } else return false; 167 throw new NotSupportedException(); 356 168 } 357 169 … … 381 193 } 382 194 #endregion 383 384 385 195 } 386 196 } -
trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/SupportVectorMachine/SupportVectorMachineCrossValidationEvaluator.cs
r3884 r3933 152 152 153 153 int reducedRows = (int)((SamplesEnd.Value - SamplesStart.Value) * reductionRatio); 154 varreducedProblemData = (DataAnalysisProblemData)DataAnalysisProblemData.Clone();155 ShuffleRows(RandomParameter.ActualValue, reducedProblemData.Dataset, SamplesStart.Value, SamplesEnd.Value);154 DataAnalysisProblemData reducedProblemData = (DataAnalysisProblemData)DataAnalysisProblemData.Clone(); 155 reducedProblemData.Dataset = CreateReducedDataset(RandomParameter.ActualValue, reducedProblemData.Dataset, reductionRatio, SamplesStart.Value, SamplesEnd.Value); 156 156 157 157 double quality = PerformCrossValidation(reducedProblemData, … … 164 164 } 165 165 166 private void ShuffleRows(IRandom random, Dataset dataset, int start, int end) { 167 for (int row = end - 1; row > start ; row--) { 168 int otherRow = random.Next(start, row); 169 for (int column = 0; column < dataset.Columns; column++) { 170 double tmp = dataset[otherRow, column]; 171 dataset[otherRow, column] = dataset[row, column]; 172 dataset[row, column] = tmp; 173 } 166 private Dataset CreateReducedDataset(IRandom random, Dataset dataset, double reductionRatio, int start, int end) { 167 int reducedRows = (int)((end - start) * reductionRatio); 168 double[,] reducedData = dataset.GetClonedData(); 169 HashSet<int> leftRows = new HashSet<int>(Enumerable.Range(0, end - start)); 170 for (int row = 0; row < reducedRows; row++) { 171 int rowIndex = random.Next(0, leftRows.Count); 172 leftRows.Remove(rowIndex); 173 for (int column = 0; column < dataset.Columns; column++) 174 reducedData[row, column] = dataset[rowIndex, column]; 174 175 } 176 return new Dataset(dataset.VariableNames, reducedData); 175 177 } 176 178
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