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Changeset 5554 for branches


Ignore:
Timestamp:
02/23/11 16:07:14 (13 years ago)
Author:
mkommend
Message:

#1418: Refactored RegressionProblemData and related classes.

Location:
branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4
Files:
6 edited

Legend:

Unmodified
Added
Removed

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/DataAnalysisProblem.cs

    r5540 r5554  
    2020#endregion
    2121
    22 using System;
    23 using System.Collections.Generic;
    24 using System.Linq;
    2522using HeuristicLab.Common;
    2623using HeuristicLab.Core;
    27 using HeuristicLab.Data;
     24using HeuristicLab.Optimization;
    2825using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
    29 using HeuristicLab.Optimization;
    30 using HeuristicLab.Parameters;
    3126
    3227namespace HeuristicLab.Problems.DataAnalysis {
    … …  
    3732    private const string ProblemDataParameterName = "ProblemData";
    3833    #region parameter properties
     34    IParameter IDataAnalysisProblem.ProblemDataParameter {
     35      get { return ProblemDataParameter; }
     36    }
    3937    public IValueParameter<T> ProblemDataParameter {
    4038      get { return (IValueParameter<T>)Parameters[ProblemDataParameterName]; }
    … …  
    4240    #endregion
    4341    #region properties
     42    IDataAnalysisProblemData IDataAnalysisProblem.ProblemData {
     43      get { return ProblemData; }
     44    }
    4445    public T ProblemData {
    4546      get { return ProblemDataParameter.Value; }

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/DataAnalysisProblemData.cs

    r5542 r5554  
    2323using System.Collections.Generic;
    2424using System.Linq;
     25using HeuristicLab.Collections;
    2526using HeuristicLab.Common;
    2627using HeuristicLab.Core;
    2728using HeuristicLab.Data;
     29using HeuristicLab.Parameters;
    2830using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
    29 using HeuristicLab.Optimization;
    30 using HeuristicLab.Parameters;
    3131
    3232namespace HeuristicLab.Problems.DataAnalysis {
    … …  
    4141    private const string TestSamplesEndParameterName = "Test partition end";
    4242
    43     #region default data
    44     // y = x^4 + x^3 + x^2 + x
    45     private static double[,] kozaF1 = new double[,] {
    46 {2.017885919, -1.449165046},
    47 {1.30060506,  -1.344523885},
    48 {1.147134798, -1.317989331},
    49 {0.877182504, -1.266142284},
    50 {0.852562452, -1.261020794},
    51 {0.431095788, -1.158793317},
    52 {0.112586002, -1.050908405},
    53 {0.04594507,  -1.021989402},
    54 {0.042572879, -1.020438113},
    55 {-0.074027291,  -0.959859562},
    56 {-0.109178553,  -0.938094706},
    57 {-0.259721109,  -0.803635355},
    58 {-0.272991057,  -0.387519561},
    59 {-0.161978191,  -0.193611001},
    60 {-0.102489983,  -0.114215349},
    61 {-0.01469968, -0.014918985},
    62 {-0.008863365,  -0.008942626},
    63 {0.026751057, 0.026054094},
    64 {0.166922436, 0.14309643},
    65 {0.176953808, 0.1504144},
    66 {0.190233418, 0.159916534},
    67 {0.199800708, 0.166635331},
    68 {0.261502822, 0.207600348},
    69 {0.30182879,  0.232370249},
    70 {0.83763905,  0.468046718}
    71     };
    72     #endregion
    73 
    7443    #region parameter properties
    7544    public IValueParameter<Dataset> DatasetParameter {
    7645      get { return (IValueParameter<Dataset>)Parameters[DatasetParameterName]; }
    7746    }
    78     public IValueParameter<CheckedItemList<StringValue>> InputVariablesParameter {
    79       get { return (IValueParameter<CheckedItemList<StringValue>>)Parameters[InputVariablesParameterName]; }
     47    public IValueParameter<ICheckedItemList<StringValue>> InputVariablesParameter {
     48      get { return (IValueParameter<ICheckedItemList<StringValue>>)Parameters[InputVariablesParameterName]; }
    8049    }
    8150    public IValueParameter<IntValue> TrainingSamplesStartParameter {
    … …  
    9261    }
    9362    #endregion
     63
    9464    #region propeties
    9565    public Dataset Dataset {
    9666      get { return DatasetParameter.Value; }
    9767    }
    98 
    99     public IEnumerable<string> InputVariables {
     68    public IEnumerable<string> AllowedInputVariables {
    10069      get { return InputVariablesParameter.Value.CheckedItems.Select(i => i.Value.Value); }
    10170    }
    … …  
    10372    public int TrainingSamplesStart {
    10473      get { return TrainingSamplesStartParameter.Value.Value; }
    105       set {
    106         if (value != TrainingSamplesStart) {
    107           TrainingSamplesStartParameter.Value.Value = value;
    108         }
    109       }
     74      set { TrainingSamplesStartParameter.Value.Value = value; }
    11075    }
    111 
    11276    public int TrainingSamplesEnd {
    11377      get { return TrainingSamplesEndParameter.Value.Value; }
    114       set {
    115         if (value != TrainingSamplesEnd) {
    116           TrainingSamplesEndParameter.Value.Value = value;
    117         }
    118       }
     78      set { TrainingSamplesEndParameter.Value.Value = value; }
    11979    }
    12080
    12181    public int TestSamplesStart {
    12282      get { return TestSamplesStartParameter.Value.Value; }
    123       set {
    124         if (value != TestSamplesStart) {
    125           TestSamplesStartParameter.Value.Value = value;
    126         }
     83      set { TestSamplesStartParameter.Value.Value = value; }
     84    }
     85    public int TestSamplesEnd {
     86      get { return TestSamplesEndParameter.Value.Value; }
     87      set { TestSamplesEndParameter.Value.Value = value; }
     88    }
     89
     90    public IEnumerable<int> TrainingIndizes {
     91      get {
     92        return Enumerable.Range(TrainingSamplesStart, TrainingSamplesEnd - TrainingSamplesStart)
     93                         .Where(i => i >= 0 && i < Dataset.Rows && (i < TestSamplesStart || TestSamplesEnd <= i));
    12794      }
    12895    }
    129 
    130     public int TestSamplesEnd {
    131       get { return TestSamplesEndParameter.Value.Value; }
    132       set {
    133         if (value != TestSamplesEnd) {
    134           TestSamplesEndParameter.Value.Value = value;
    135         }
     96    public IEnumerable<int> TestIndizes {
     97      get {
     98        return Enumerable.Range(TestSamplesStart, TestSamplesEnd - TestSamplesStart)
     99           .Where(i => i >= 0 && i < Dataset.Rows);
    136100      }
    137101    }
    138 
    139     public event EventHandler Changed;
    140102    #endregion
    141103
    … …  
    146108    [StorableConstructor]
    147109    protected DataAnalysisProblemData(bool deserializing) : base(deserializing) { }
    148     public DataAnalysisProblemData()
    149       : base() {
    150       List<string> variableNames = new List<string>() { "x", "f(x)" };
    151       Dataset kozaF1Dataset = new Dataset(variableNames, kozaF1);
    152       kozaF1Dataset.Name = "Fourth-order Polynomial Function Benchmark Dataset";
    153       kozaF1Dataset.Description = "f(x) = x^4 + x^3 + x^2 + x^1";
    154       CheckedItemList<StringValue> inputVariablesList = new CheckedItemList<StringValue>();
    155       StringValue x = new StringValue(variableNames[0]);
    156       StringValue fx = new StringValue(variableNames[1]);
    157       inputVariablesList.Add(x, true);
    158       inputVariablesList.Add(fx, false);
    159       Parameters.Add(new ValueParameter<Dataset>(DatasetParameterName, kozaF1Dataset));
    160       Parameters.Add(new ValueParameter<CheckedItemList<StringValue>>(InputVariablesParameterName, inputVariablesList));
     110    protected DataAnalysisProblemData(Dataset dataset, IEnumerable<string> allowedInputVariables) {
     111      if (allowedInputVariables.Except(dataset.VariableNames).Any())
     112        throw new ArgumentException("All allowed input variables must be present in the dataset.");
     113
     114      ICheckedItemList<StringValue> inputVariableList = new CheckedItemList<StringValue>(dataset.VariableNames.Select(x => new StringValue(x))).AsReadOnly();
     115      foreach (StringValue inputVariable in inputVariableList) {
     116        inputVariableList.SetItemCheckedState(inputVariable, allowedInputVariables.Contains(inputVariable.Value));
     117      }
     118
     119      Parameters.Add(new ValueParameter<Dataset>(DatasetParameterName, dataset));
     120      Parameters.Add(new ValueParameter<ICheckedItemList<StringValue>>(InputVariablesParameterName, inputVariableList));
    161121      Parameters.Add(new ValueParameter<IntValue>(TrainingSamplesStartParameterName, new IntValue(0)));
    162       Parameters.Add(new ValueParameter<IntValue>(TrainingSamplesEndParameterName, new IntValue(kozaF1Dataset.Rows)));
    163       Parameters.Add(new ValueParameter<IntValue>(TestSamplesStartParameterName, new IntValue(kozaF1Dataset.Rows)));
    164       Parameters.Add(new ValueParameter<IntValue>(TestSamplesEndParameterName, new IntValue(kozaF1Dataset.Rows)));
     122      Parameters.Add(new ValueParameter<IntValue>(TrainingSamplesEndParameterName, new IntValue(dataset.Rows)));
     123      Parameters.Add(new ValueParameter<IntValue>(TestSamplesStartParameterName, new IntValue(dataset.Rows)));
     124      Parameters.Add(new ValueParameter<IntValue>(TestSamplesEndParameterName, new IntValue(dataset.Rows)));
    165125
    166126      RegisterEventHandlers();
    … …  
    174134    #region changed event propagation
    175135    private void RegisterEventHandlers() {
    176       DatasetParameter.ValueChanged += new EventHandler(DatasetParameter_ValueChanged);
    177       TrainingSamplesStartParameter.ValueChanged += new EventHandler(TrainingSamplesStartParameter_ValueChanged);
    178       TrainingSamplesEndParameter.ValueChanged += new EventHandler(TrainingSamplesEndParameter_ValueChanged);
    179       TestSamplesStartParameter.ValueChanged += new EventHandler(TestSamplesStartParameter_ValueChanged);
    180       TestSamplesEndParameter.ValueChanged += new EventHandler(TestSamplesEndParameter_ValueChanged);
     136      DatasetParameter.ValueChanged += new EventHandler(Dataset_Changed);
     137      TrainingSamplesStartParameter.ValueChanged += new EventHandler(PartitionParameter_ValueChanged);
     138      TrainingSamplesEndParameter.ValueChanged += new EventHandler(PartitionParameter_ValueChanged);
     139      TestSamplesStartParameter.ValueChanged += new EventHandler(PartitionParameter_ValueChanged);
     140      TestSamplesEndParameter.ValueChanged += new EventHandler(PartitionParameter_ValueChanged);
    181141
    182       DatasetParameter.Value.Reset += new EventHandler(DatasetChanged);
    183       DatasetParameter.Value.ColumnsChanged += new EventHandler(DatasetChanged);
    184       DatasetParameter.Value.RowsChanged += new EventHandler(DatasetChanged);
    185       InputVariablesParameter.Value.CheckedItemsChanged += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_CheckedItemsChanged);
    186       InputVariablesParameter.Value.CollectionReset += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_CollectionReset);
    187       InputVariablesParameter.Value.ItemsAdded += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsAdded);
    188       InputVariablesParameter.Value.ItemsMoved += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsMoved);
    189       InputVariablesParameter.Value.ItemsRemoved += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsRemoved);
    190       InputVariablesParameter.Value.ItemsReplaced += new Collections.CollectionItemsChangedEventHandler<Collections.IndexedItem<StringValue>>(InputVariables_ItemsReplaced);
     142      InputVariablesParameter.ValueChanged += new EventHandler(InputVariablesParameter_ValueChanged);
     143      RegisterInputVariablesParameterValueEventHandlers();
    191144
    192145      TrainingSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    … …  
    195148      TestSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    196149    }
    197 
    198     private void DatasetParameter_ValueChanged(object sender, EventArgs e) {
    199       DatasetParameter.Value.Reset += new EventHandler(DatasetChanged);
    200       DatasetParameter.Value.ColumnsChanged += new EventHandler(DatasetChanged);
    201       DatasetParameter.Value.RowsChanged += new EventHandler(DatasetChanged);
    202       OnProblemChanged();
     150    private void RegisterInputVariablesParameterValueEventHandlers() {
     151      InputVariablesParameter.Value.CheckedItemsChanged += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
     152      InputVariablesParameter.Value.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
     153      InputVariablesParameter.Value.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
     154      InputVariablesParameter.Value.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
     155      InputVariablesParameter.Value.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
     156      InputVariablesParameter.Value.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<StringValue>>(InputVariables_Changed);
    203157    }
    204158
    205     private void TestSamplesEndParameter_ValueChanged(object sender, EventArgs e) {
    206       TestSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    207       OnProblemChanged();
     159    private void PartitionParameter_ValueChanged(object sender, EventArgs e) {
     160      IntValue value = (IntValue)sender;
     161      value.ValueChanged += new EventHandler(Partitions_ValueChanged);
     162      OnChanged();
    208163    }
    209 
    210     private void TestSamplesStartParameter_ValueChanged(object sender, EventArgs e) {
    211       TestSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    212       OnProblemChanged();
    213     }
    214 
    215     private void TrainingSamplesEndParameter_ValueChanged(object sender, EventArgs e) {
    216       TrainingSamplesEndParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    217       OnProblemChanged();
    218     }
    219 
    220     private void TrainingSamplesStartParameter_ValueChanged(object sender, EventArgs e) {
    221       TrainingSamplesStartParameter.Value.ValueChanged += new EventHandler(Partitions_ValueChanged);
    222       OnProblemChanged();
     164    private void InputVariablesParameter_ValueChanged(object sender, EventArgs e) {
     165      RegisterInputVariablesParameterValueEventHandlers();
    223166    }
    224167
    225168    private void Partitions_ValueChanged(object sender, EventArgs e) {
    226       OnProblemChanged();
     169      OnChanged();
     170    }
     171    private void InputVariables_Changed(object sender, CollectionItemsChangedEventArgs<IndexedItem<StringValue>> e) {
     172      OnChanged();
     173    }
     174    private void Dataset_Changed(object sender, EventArgs e) {
     175      OnChanged();
    227176    }
    228177
    229     private void InputVariables_ItemsReplaced(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    230       OnProblemChanged();
    231     }
    232 
    233     private void InputVariables_ItemsRemoved(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    234       OnProblemChanged();
    235     }
    236 
    237     private void InputVariables_ItemsMoved(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    238       OnProblemChanged();
    239     }
    240 
    241     private void InputVariables_ItemsAdded(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    242       OnProblemChanged();
    243     }
    244 
    245     private void InputVariables_CollectionReset(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    246       OnProblemChanged();
    247     }
    248 
    249     private void InputVariables_CheckedItemsChanged(object sender, Collections.CollectionItemsChangedEventArgs<Collections.IndexedItem<StringValue>> e) {
    250       OnProblemChanged();
    251     }
    252 
    253     private void DatasetChanged(object sender, EventArgs e) {
    254       OnProblemChanged();
    255     }
    256 
    257     protected virtual void OnProblemChanged() {
     178    public event EventHandler Changed;
     179    protected virtual void OnChanged() {
    258180      var listeners = Changed;
    259181      if (listeners != null) listeners(this, EventArgs.Empty);

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/Dataset.cs

    r5552 r5554  
    181181    public event EventHandler SortableViewChanged { add { } remove { } }
    182182    public event EventHandler<EventArgs<int, int>> ItemChanged { add { } remove { } }
     183    public event EventHandler Reset { add { } remove { } }
    183184    #endregion
    184185  }

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/Interfaces/IDataAnalysisProblem.cs

    r5540 r5554  
    2020#endregion
    2121
     22using HeuristicLab.Core;
    2223using HeuristicLab.Optimization;
    23 using HeuristicLab.Core;
    2424
    2525namespace HeuristicLab.Problems.DataAnalysis {
    26   public interface IDataAnalysisProblem<T> : IProblem
     26  public interface IDataAnalysisProblem : IProblem {
     27    IParameter ProblemDataParameter { get; }
     28    IDataAnalysisProblemData ProblemData { get; }
     29  }
     30
     31  public interface IDataAnalysisProblem<T> : IDataAnalysisProblem
    2732  where T : class, IDataAnalysisProblemData {
    28     IValueParameter<T> ProblemDataParameter { get; }
    29     T ProblemData { get; }
     33    new IValueParameter<T> ProblemDataParameter { get; }
     34    new T ProblemData { get; }
    3035    new IDataAnalysisEvaluator<T> Evaluator { get; }
    3136    new IDataAnalysisSolutionCreator<T> SolutionCreator { get; }

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/Interfaces/IDataAnalysisProblemData.cs

    r5532 r5554  
    2727  public interface IDataAnalysisProblemData : INamedItem {
    2828    Dataset Dataset { get; }
    29     IEnumerable<string> InputVariables { get; }
     29    IEnumerable<string> AllowedInputVariables { get; }
    3030
    3131    int TrainingSamplesStart { get; set; }
    … …  
    3434    int TestSamplesEnd { get; set; }
    3535
     36    IEnumerable<int> TrainingIndizes { get; }
     37    IEnumerable<int> TestIndizes { get; }
     38
    3639    event EventHandler Changed;
    3740  }

  • branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/RegressionProblemData.cs

    r5542 r5554  
    2626using HeuristicLab.Core;
    2727using HeuristicLab.Data;
     28using HeuristicLab.Parameters;
    2829using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
    29 using HeuristicLab.Optimization;
    30 using HeuristicLab.Parameters;
    3130
    3231namespace HeuristicLab.Problems.DataAnalysis {
    … …  
    3534    IRegressionProblemData {
    3635    private const string TargetVariableParameterName = "Target variable";
     36
     37    #region default data
     38    private static double[,] kozaF1 = new double[,] {
     39          {2.017885919, -1.449165046},
     40          {1.30060506,  -1.344523885},
     41          {1.147134798, -1.317989331},
     42          {0.877182504, -1.266142284},
     43          {0.852562452, -1.261020794},
     44          {0.431095788, -1.158793317},
     45          {0.112586002, -1.050908405},
     46          {0.04594507,  -1.021989402},
     47          {0.042572879, -1.020438113},
     48          {-0.074027291,  -0.959859562},
     49          {-0.109178553,  -0.938094706},
     50          {-0.259721109,  -0.803635355},
     51          {-0.272991057,  -0.387519561},
     52          {-0.161978191,  -0.193611001},
     53          {-0.102489983,  -0.114215349},
     54          {-0.01469968, -0.014918985},
     55          {-0.008863365,  -0.008942626},
     56          {0.026751057, 0.026054094},
     57          {0.166922436, 0.14309643},
     58          {0.176953808, 0.1504144},
     59          {0.190233418, 0.159916534},
     60          {0.199800708, 0.166635331},
     61          {0.261502822, 0.207600348},
     62          {0.30182879,  0.232370249},
     63          {0.83763905,  0.468046718}
     64    };
     65    private static Dataset defaultDataset;
     66    private static IEnumerable<string> defaultAllowedInputVariables;
     67    private static string defaultTargetVariable;
     68
     69    static RegressionProblemData() {
     70      defaultDataset = new Dataset(new string[] { "y", "x" }, kozaF1);
     71      defaultAllowedInputVariables = new List<string>() { "x" };
     72      defaultTargetVariable = "y";
     73    }
     74    #endregion
    3775
    3876    #region parameter properties
    … …  
    4785    #endregion
    4886
     87    [StorableConstructor]
     88    private RegressionProblemData(bool deserializing) : base(deserializing) { }
    4989    private RegressionProblemData(RegressionProblemData original, Cloner cloner)
    5090      : base(original, cloner) {
    5191      RegisterEventHandlers();
    5292    }
    53     [StorableConstructor]
    54     private RegressionProblemData(bool deserializing) : base(deserializing) { }
     93    public override IDeepCloneable Clone(Cloner cloner) { return new RegressionProblemData(this, cloner); }
     94
    5595    public RegressionProblemData()
    56       : base() {
     96      : this(defaultDataset, defaultAllowedInputVariables, defaultTargetVariable) {
     97    }
     98
     99    public RegressionProblemData(Dataset dataset, IEnumerable<string> allowedInputVariables, string targetVariable)
     100      : base(dataset, allowedInputVariables) {
     101      if (!dataset.VariableNames.Contains(targetVariable))
     102        throw new ArgumentException("The target variable must be present in the dataset");
     103
    57104      ConstrainedValueParameter<StringValue> targetVariableParameter = new ConstrainedValueParameter<StringValue>(TargetVariableParameterName);
    58       foreach (var variableName in Dataset.VariableNames)
    59         targetVariableParameter.ValidValues.Add(new StringValue(variableName));
    60       targetVariableParameter.Value = targetVariableParameter.ValidValues.First();
     105      foreach (var variableName in dataset.VariableNames) {
     106        StringValue targetVariableValue = new StringValue(variableName);
     107        targetVariableParameter.ValidValues.Add(targetVariableValue);
     108        if (variableName == targetVariable)
     109          targetVariableParameter.Value = targetVariableValue;
     110      }
    61111
    62112      Parameters.Add(targetVariableParameter);
    63 
    64113      RegisterEventHandlers();
    65114    }
    66115
    67     public override IDeepCloneable Clone(Cloner cloner) {
    68       return new RegressionProblemData(this, cloner);
    69     }
     116
    70117
    71118    [StorableHook(HookType.AfterDeserialization)]
    … …  
    82129    private void TargetVariableParameter_ValueChanged(object sender, EventArgs e) {
    83130      TargetVariableParameter.Value.ValueChanged += new EventHandler(TargetVariable_ValueChanged);
    84       OnProblemChanged();
     131      OnChanged();
    85132    }
    86133
    87134    private void TargetVariable_ValueChanged(object sender, EventArgs e) {
    88       OnProblemChanged();
     135      OnChanged();
    89136    }
    90137    #endregion
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