Changeset 3652 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic

Timestamp:

05/05/10 20:35:13 (14 years ago)

Author:

gkronber

Message:

Added analyzer to calculate and track min, avg, and max R² on the training set for symbolic regression problems. #999 (Refactor algorithm analysis and tracing)

Location:

trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic

Files:

• Analyzers/PopulationSymbolicRegressionModelQualityAnalyzer.cs (added)
• SimpleSymbolicRegressionEvaluator.cs (added)
• SymbolicRegressionProblem.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/SymbolicRegressionProblem.cs

@@ -353 +353 @@
       operators.Add(new PopulationMinAvgMaxTreeSizeAnalyzer());
       operators.Add(new PopulationSymbolicRegressionVariableFrequencyAnalyzer());
+      operators.Add(new PopulationSymbolicRegressionModelQualityAnalyzer());
       ParameterizeOperators();
       ParameterizeAnalyzers();
@@ -389 +390 @@
           varFreqAnalyzer.ProblemDataParameter.ActualName = DataAnalysisProblemDataParameter.Name;
         }
+        var modelQualityAnalyzer = analyzer as PopulationSymbolicRegressionModelQualityAnalyzer;
+        if (modelQualityAnalyzer != null) {
+          modelQualityAnalyzer.ProblemDataParameter.ActualName = DataAnalysisProblemDataParameter.Name;
+          modelQualityAnalyzer.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
+          modelQualityAnalyzer.UpperEstimationLimitParameter.ActualName = UpperEstimationLimitParameter.Name;
+          modelQualityAnalyzer.LowerEstimationLimitParameter.ActualName = LowerEstimationLimitParameter.Name;
+          modelQualityAnalyzer.SymbolicExpressionTreeInterpreterParameter.ActualName = SymbolicExpressionTreeInterpreterParameter.Name;
+          modelQualityAnalyzer.SamplesStartParameter.Value = TrainingSamplesStart;
+          modelQualityAnalyzer.SamplesEndParameter.Value = ValidationSamplesEnd;
+        }
       }
       foreach (ISymbolicExpressionTreePopulationAnalyzer analyzer in Operators.OfType<ISymbolicExpressionTreePopulationAnalyzer>()) {