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Ignore:
Timestamp:
06/18/12 16:03:11 (13 years ago)
Author:
sforsten
Message:

#1292:

  • completed branch creation
  • first simple implementation of a HeatMap, which shows the correlation of the dataset features
Location:
branches/DatasetFeatureCorrelation
Files:
4 edited

Legend:

Unmodified
Added
Removed

  • branches/DatasetFeatureCorrelation

    • Property svn:ignore set to
      *.suo

  • branches/DatasetFeatureCorrelation/HeuristicLab.Problems.DataAnalysis/3.4/HeuristicLab.Problems.DataAnalysis-3.4.csproj

    r7969 r8038  
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    … …  
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    … …  
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    262243  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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  • branches/DatasetFeatureCorrelation/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/DataAnalysisProblemData.cs

    r7265 r8038  
    2323using System.Collections.Generic;
    2424using System.Linq;
     25using HeuristicLab.Analysis;
    2526using HeuristicLab.Collections;
    2627using HeuristicLab.Common;
    … …  
    3738    protected const string TrainingPartitionParameterName = "TrainingPartition";
    3839    protected const string TestPartitionParameterName = "TestPartition";
     40    protected const string DatasetHeatMapParameterName = "DatasetCorrelationHeatMap";
    3941
    4042    #region parameter properites
    … …  
    5052    public IFixedValueParameter<IntRange> TestPartitionParameter {
    5153      get { return (IFixedValueParameter<IntRange>)Parameters[TestPartitionParameterName]; }
     54    }
     55    public IFixedValueParameter<HeatMap> DatasetHeatMapParameter {
     56      get { return (IFixedValueParameter<HeatMap>)Parameters[DatasetHeatMapParameterName]; }
    5257    }
    5358    #endregion
    … …  
    7378    public IntRange TestPartition {
    7479      get { return TestPartitionParameter.Value; }
     80    }
     81    public HeatMap DatasetHeatMap {
     82      get { return DatasetHeatMapParameter.Value; }
    7583    }
    7684
    … …  
    132140      Parameters.Add(new FixedValueParameter<IntRange>(TrainingPartitionParameterName, "", new IntRange(trainingPartitionStart, trainingPartitionEnd)));
    133141      Parameters.Add(new FixedValueParameter<IntRange>(TestPartitionParameterName, "", new IntRange(testPartitionStart, testPartitionEnd)));
     142      Parameters.Add(new FixedValueParameter<HeatMap>(DatasetHeatMapParameterName, "", CalculateHeatMap(dataset)));
    134143
    135144      ((ValueParameter<Dataset>)DatasetParameter).ReactOnValueToStringChangedAndValueItemImageChanged = false;
    136145      RegisterEventHandlers();
     146    }
     147
     148    private HeatMap CalculateHeatMap(Dataset dataset) {
     149      IList<string> doubleVariableNames = dataset.DoubleVariables.ToList();
     150      OnlineCalculatorError error;
     151      int length = doubleVariableNames.Count;
     152      double[,] elements = new double[length, length];
     153
     154      for (int i = 0; i < length; i++) {
     155        for (int j = 0; j < i + 1; j++) {
     156          elements[i, j] = OnlinePearsonsRSquaredCalculator.Calculate(dataset.GetDoubleValues(doubleVariableNames[length - 1 - i]), dataset.GetDoubleValues(doubleVariableNames[j]), out error);
     157          elements[j, i] = elements[i, j];
     158          if (!error.Equals(OnlineCalculatorError.None)) {
     159            throw new ArgumentException("Calculator returned " + error);
     160          }
     161        }
     162      }
     163      return new HeatMap(elements, "Hoeffdings Dependence");
    137164    }
    138165

  • branches/DatasetFeatureCorrelation/HeuristicLab.Problems.DataAnalysis/3.4/Plugin.cs.frame

    r7823 r8038  
    2828  [Plugin("HeuristicLab.Problems.DataAnalysis","Provides base classes for data analysis tasks.", "3.4.2.$WCREV$")]
    2929  [PluginFile("HeuristicLab.Problems.DataAnalysis-3.4.dll", PluginFileType.Assembly)]
     30  [PluginDependency("HeuristicLab.Analysis", "3.3")]
    3031  [PluginDependency("HeuristicLab.Collections", "3.3")]
    3132  [PluginDependency("HeuristicLab.Common", "3.3")]
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