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Changeset 12977


Ignore:
Timestamp:
10/01/15 00:12:46 (9 years ago)
Author:
bburlacu
Message:

#2480: Reverted changes to the evaluators as they impact performance and memory usage.

Location:
trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4
Files:
8 edited

Legend:

Unmodified
Added
Removed

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionLogResidualEvaluator.cs

    r12973 r12977  
    3030
    3131namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
    32   [Item("Log Residual Evaluator", "Evaluator for symbolic regression models that calculates the mean of logarithmic absolute residuals avg(log( 1 + abs(y' - y)))" +
     32  [Item("Log Residual Evaluator", "Evaluator for symbolic regression models that calculates the mean of logarithmic absolute residuals avg(log( 1 + abs(y' - y)))" + 
    3333                                  "This evaluator does not perform linear scaling!" +
    3434                                  "This evaluator can be useful if the modeled function contains discontinuities (e.g. 1/x). " +
    … …  
    5757      IEnumerable<int> rows = GenerateRowsToEvaluate();
    5858
    59       var problemData = ProblemDataParameter.ActualValue;
    60       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    61       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    62       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    63       var estimationLimits = EstimationLimitsParameter.ActualValue;
    64 
    65       if (SaveEstimatedValuesToScope) {
    66         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    67         var scope = ExecutionContext.Scope;
    68         if (scope.Variables.ContainsKey("EstimatedValues"))
    69           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    70         else
    71           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    72       }
    73 
    74       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper);
     59      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows);
    7560      QualityParameter.ActualValue = new DoubleValue(quality);
    7661
    … …  
    8166      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    8267      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    83       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit);
    84     }
    85 
    86     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit) {
    8768      IEnumerable<double> boundedEstimatedValues = estimatedValues.LimitToRange(lowerEstimationLimit, upperEstimationLimit);
    8869

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionMeanRelativeErrorEvaluator.cs

    r12973 r12977  
    5050      IEnumerable<int> rows = GenerateRowsToEvaluate();
    5151
    52       var problemData = ProblemDataParameter.ActualValue;
    53       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    54       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    55       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    56       var estimationLimits = EstimationLimitsParameter.ActualValue;
    57 
    58       if (SaveEstimatedValuesToScope) {
    59         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    60         var scope = ExecutionContext.Scope;
    61         if (scope.Variables.ContainsKey("EstimatedValues"))
    62           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    63         else
    64           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    65       }
    66 
    67       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper);
     52      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows);
    6853      QualityParameter.ActualValue = new DoubleValue(quality);
    6954
    … …  
    7459      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    7560      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    76       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit);
    77     }
    78 
    79     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit) {
    8061      IEnumerable<double> boundedEstimatedValues = estimatedValues.LimitToRange(lowerEstimationLimit, upperEstimationLimit);
    8162

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveEvaluator.cs

    r12973 r12977  
    2020#endregion
    2121
     22using System;
     23using System.Collections.Generic;
     24using System.Linq;
    2225using HeuristicLab.Common;
    2326using HeuristicLab.Core;
    … …  
    2730namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Regression {
    2831  [StorableClass]
    29   public abstract class SymbolicRegressionSingleObjectiveEvaluator : SymbolicDataAnalysisSingleObjectiveEvaluator<IRegressionProblemData>, ISymbolicRegressionSingleObjectiveEvaluator {
    30     private const string SaveEstimatedValuesToScopeParameterName = "SaveEstimatedValuesToScope";
    31 
    32     public IFixedValueParameter<BoolValue> SaveEstimatedValuesToScopeParameter {
    33       get { return (IFixedValueParameter<BoolValue>)Parameters[SaveEstimatedValuesToScopeParameterName]; }
    34     }
    35 
    36     public bool SaveEstimatedValuesToScope { get { return SaveEstimatedValuesToScopeParameter.Value.Value; } }
    37 
     32  public abstract class SymbolicRegressionSingleObjectiveEvaluator : SymbolicDataAnalysisSingleObjectiveEvaluator<IRegressionProblemData>, ISymbolicRegressionSingleObjectiveEvaluator { 
    3833    [StorableConstructor]
    3934    protected SymbolicRegressionSingleObjectiveEvaluator(bool deserializing) : base(deserializing) { }
    4035    protected SymbolicRegressionSingleObjectiveEvaluator(SymbolicRegressionSingleObjectiveEvaluator original, Cloner cloner) : base(original, cloner) { }
    41 
    42     protected SymbolicRegressionSingleObjectiveEvaluator() : base() {
    43       Parameters.Add(new FixedValueParameter<BoolValue>(SaveEstimatedValuesToScopeParameterName, new BoolValue(false)));
    44       SaveEstimatedValuesToScopeParameter.Hidden = true;
    45     }
     36    protected SymbolicRegressionSingleObjectiveEvaluator(): base() {}   
    4637  }
    4738}

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMaxAbsoluteErrorEvaluator.cs

    r12973 r12977  
    2121
    2222using System.Collections.Generic;
    23 using System.Linq;
    2423using HeuristicLab.Common;
    2524using HeuristicLab.Core;
    … …  
    4746      IEnumerable<int> rows = GenerateRowsToEvaluate();
    4847
    49       var problemData = ProblemDataParameter.ActualValue;
    50       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    51       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    52       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    53       var estimationLimits = EstimationLimitsParameter.ActualValue;
    54 
    55       if (SaveEstimatedValuesToScope) {
    56         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    57         var scope = ExecutionContext.Scope;
    58         if (scope.Variables.ContainsKey("EstimatedValues"))
    59           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    60         else
    61           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    62       }
    63 
    64       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper, problemData, ApplyLinearScalingParameter.ActualValue.Value);
     48      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows, ApplyLinearScalingParameter.ActualValue.Value);
    6549      QualityParameter.ActualValue = new DoubleValue(quality);
    6650
    … …  
    7155      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    7256      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    73       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit, problemData, applyLinearScaling);
    74     }
    75 
    76     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit, IRegressionProblemData problemData, bool applyLinearScaling) {
    7757      OnlineCalculatorError errorState;
    7858

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanAbsoluteErrorEvaluator.cs

    r12973 r12977  
    2121
    2222using System.Collections.Generic;
    23 using System.Linq;
    2423using HeuristicLab.Common;
    2524using HeuristicLab.Core;
    … …  
    4746      IEnumerable<int> rows = GenerateRowsToEvaluate();
    4847
    49       var problemData = ProblemDataParameter.ActualValue;
    50       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    51       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    52       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    53       var estimationLimits = EstimationLimitsParameter.ActualValue;
    54 
    55       if (SaveEstimatedValuesToScope) {
    56         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    57         var scope = ExecutionContext.Scope;
    58         if (scope.Variables.ContainsKey("EstimatedValues"))
    59           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    60         else
    61           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    62       }
    63 
    64       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper, problemData, ApplyLinearScalingParameter.ActualValue.Value);
     48      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows, ApplyLinearScalingParameter.ActualValue.Value);
    6549      QualityParameter.ActualValue = new DoubleValue(quality);
    6650
    … …  
    7155      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    7256      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    73       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit, problemData, applyLinearScaling);
    74     }
    75 
    76     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit, IRegressionProblemData problemData, bool applyLinearScaling) {
    7757      OnlineCalculatorError errorState;
    7858

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectiveMeanSquaredErrorEvaluator.cs

    r12973 r12977  
    2121
    2222using System.Collections.Generic;
    23 using System.Linq;
    2423using HeuristicLab.Common;
    2524using HeuristicLab.Core;
    … …  
    4746      IEnumerable<int> rows = GenerateRowsToEvaluate();
    4847
    49       var problemData = ProblemDataParameter.ActualValue;
    50       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    51       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    52       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    53       var estimationLimits = EstimationLimitsParameter.ActualValue;
    54 
    55       if (SaveEstimatedValuesToScope) {
    56         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    57         var scope = ExecutionContext.Scope;
    58         if (scope.Variables.ContainsKey("EstimatedValues"))
    59           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    60         else
    61           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    62       }
    63 
    64       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper, problemData, ApplyLinearScalingParameter.ActualValue.Value);
     48      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows, ApplyLinearScalingParameter.ActualValue.Value);
    6549      QualityParameter.ActualValue = new DoubleValue(quality);
    6650
    … …  
    7155      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    7256      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    73       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit, problemData, applyLinearScaling);
    74     }
    75 
    76     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit, IRegressionProblemData problemData, bool applyLinearScaling) {
    7757      OnlineCalculatorError errorState;
    7858

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionSingleObjectivePearsonRSquaredEvaluator.cs

    r12973 r12977  
    2121
    2222using System.Collections.Generic;
    23 using System.Linq;
    2423using HeuristicLab.Common;
    2524using HeuristicLab.Core;
    … …  
    4948      IEnumerable<int> rows = GenerateRowsToEvaluate();
    5049
    51       var problemData = ProblemDataParameter.ActualValue;
    52       var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
    53       var estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows).ToArray();
    54       var targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    55       var estimationLimits = EstimationLimitsParameter.ActualValue;
    56 
    57       if (SaveEstimatedValuesToScope) {
    58         var boundedValues = estimatedValues.LimitToRange(estimationLimits.Lower, estimationLimits.Upper).ToArray();
    59         var scope = ExecutionContext.Scope;
    60         if (scope.Variables.ContainsKey("EstimatedValues"))
    61           scope.Variables["EstimatedValues"].Value = new DoubleArray(boundedValues);
    62         else
    63           scope.Variables.Add(new Core.Variable("EstimatedValues", new DoubleArray(boundedValues)));
    64       }
    65 
    66       double quality = Calculate(targetValues, estimatedValues, estimationLimits.Lower, estimationLimits.Upper, problemData, ApplyLinearScalingParameter.ActualValue.Value);
     50      double quality = Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, solution, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, ProblemDataParameter.ActualValue, rows, ApplyLinearScalingParameter.ActualValue.Value);
    6751      QualityParameter.ActualValue = new DoubleValue(quality);
    6852
    … …  
    7357      IEnumerable<double> estimatedValues = interpreter.GetSymbolicExpressionTreeValues(solution, problemData.Dataset, rows);
    7458      IEnumerable<double> targetValues = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, rows);
    75       return Calculate(targetValues, estimatedValues, lowerEstimationLimit, upperEstimationLimit, problemData, applyLinearScaling);
    76     }
    77 
    78     private static double Calculate(IEnumerable<double> targetValues, IEnumerable<double> estimatedValues, double lowerEstimationLimit, double upperEstimationLimit, IRegressionProblemData problemData, bool applyLinearScaling) {
    7959      OnlineCalculatorError errorState;
    8060
    … …  
    9070      }
    9171      if (errorState != OnlineCalculatorError.None) return double.NaN;
    92       return r * r;
     72      return r*r;
    9373    }
    9474

  • trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SymbolicRegressionPhenotypicDiversityAnalyzer.cs

    r12973 r12977  
    2121
    2222using System.Collections.Generic;
     23using System.Linq;
    2324using HeuristicLab.Analysis;
    2425using HeuristicLab.Common;
    2526using HeuristicLab.Core;
     27using HeuristicLab.Data;
     28using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
    2629using HeuristicLab.Optimization;
     30using HeuristicLab.Parameters;
    2731using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
    2832
    … …  
    3034  [Item("SymbolicRegressionPhenotypicDiversityAnalyzer", "An analyzer which calculates diversity based on the phenotypic distance between trees")]
    3135  [StorableClass]
    32   public class SymbolicRegressionPhenotypicDiversityAnalyzer : PopulationSimilarityAnalyzer {
     36  public class SymbolicRegressionPhenotypicDiversityAnalyzer : PopulationSimilarityAnalyzer,
     37    ISymbolicDataAnalysisBoundedOperator, ISymbolicDataAnalysisInterpreterOperator, ISymbolicExpressionTreeAnalyzer {
     38    #region parameter names
     39    private const string SymbolicExpressionTreeParameterName = "SymbolicExpressionTree";
     40    private const string EvaluatedValuesParameterName = "EstimatedValues";
     41    private const string SymbolicDataAnalysisTreeInterpreterParameterName = "SymbolicExpressionTreeInterpreter";
     42    private const string ProblemDataParameterName = "ProblemData";
     43    private const string EstimationLimitsParameterName = "EstimationLimits";
     44    #endregion
     45
     46    #region parameter properties
     47    public IScopeTreeLookupParameter<ISymbolicExpressionTree> SymbolicExpressionTreeParameter {
     48      get { return (IScopeTreeLookupParameter<ISymbolicExpressionTree>)Parameters[SymbolicExpressionTreeParameterName]; }
     49    }
     50    private IScopeTreeLookupParameter<DoubleArray> EvaluatedValuesParameter {
     51      get { return (IScopeTreeLookupParameter<DoubleArray>)Parameters[EvaluatedValuesParameterName]; }
     52    }
     53    public ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter> SymbolicDataAnalysisTreeInterpreterParameter {
     54      get { return (ILookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>)Parameters[SymbolicDataAnalysisTreeInterpreterParameterName]; }
     55    }
     56    public IValueLookupParameter<IRegressionProblemData> ProblemDataParameter {
     57      get { return (IValueLookupParameter<IRegressionProblemData>)Parameters[ProblemDataParameterName]; }
     58    }
     59    public IValueLookupParameter<DoubleLimit> EstimationLimitsParameter {
     60      get { return (IValueLookupParameter<DoubleLimit>)Parameters[EstimationLimitsParameterName]; }
     61    }
     62    #endregion
     63
    3364    public SymbolicRegressionPhenotypicDiversityAnalyzer(IEnumerable<ISolutionSimilarityCalculator> validSimilarityCalculators)
    3465      : base(validSimilarityCalculators) {
     66      #region add parameters
     67      Parameters.Add(new ScopeTreeLookupParameter<ISymbolicExpressionTree>(SymbolicExpressionTreeParameterName, "The symbolic expression trees."));
     68      Parameters.Add(new ScopeTreeLookupParameter<DoubleArray>(EvaluatedValuesParameterName, "Intermediate estimated values to be saved in the scopes."));
     69      Parameters.Add(new LookupParameter<ISymbolicDataAnalysisExpressionTreeInterpreter>(SymbolicDataAnalysisTreeInterpreterParameterName, "The interpreter that should be used to calculate the output values of the symbolic data analysis tree."));
     70      Parameters.Add(new ValueLookupParameter<IRegressionProblemData>(ProblemDataParameterName, "The problem data on which the symbolic data analysis solution should be evaluated."));
     71      Parameters.Add(new ValueLookupParameter<DoubleLimit>(EstimationLimitsParameterName, "The upper and lower limit that should be used as cut off value for the output values of symbolic data analysis trees."));
     72      #endregion
    3573
    3674      UpdateCounterParameter.ActualName = "PhenotypicDiversityAnalyzerUpdateCounter";
    … …  
    5088      : base(original, cloner) {
    5189    }
     90
     91    public override IOperation Apply() {
     92      int updateInterval = UpdateIntervalParameter.Value.Value;
     93      IntValue updateCounter = UpdateCounterParameter.ActualValue;
     94
     95      if (updateCounter == null) {
     96        updateCounter = new IntValue(updateInterval);
     97        UpdateCounterParameter.ActualValue = updateCounter;
     98      }
     99
     100      if (updateCounter.Value == updateInterval) {
     101        var trees = SymbolicExpressionTreeParameter.ActualValue;
     102        var interpreter = SymbolicDataAnalysisTreeInterpreterParameter.ActualValue;
     103        var ds = ProblemDataParameter.ActualValue.Dataset;
     104        var rows = ProblemDataParameter.ActualValue.TrainingIndices;
     105
     106        var evaluatedValues = new ItemArray<DoubleArray>(trees.Select(t => new DoubleArray(interpreter.GetSymbolicExpressionTreeValues(t, ds, rows).ToArray())));
     107        EvaluatedValuesParameter.ActualValue = evaluatedValues;
     108      }
     109      return base.Apply();
     110    }
    52111  }
    53112}
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