Changeset 8985 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression

Timestamp:

12/03/12 10:54:39 (11 years ago)

Author:

gkronber

Message:

#1976 added comment about call to R² evaluator in const-opt evaluator

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs (modified) (1 diff)

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

@@ -132 +132 @@
       ApplyLinearScalingParameter.ExecutionContext = context;
 
+    // Pearson R² evaluator is used on purpose instead of the const-opt evaluator, 
+    // because Evaluate() is used to get the quality of evolved models on 
+    // different partitions of the dataset (e.g., best validation model)
       double r2 = SymbolicRegressionSingleObjectivePearsonRSquaredEvaluator.Calculate(SymbolicDataAnalysisTreeInterpreterParameter.ActualValue, tree, EstimationLimitsParameter.ActualValue.Lower, EstimationLimitsParameter.ActualValue.Upper, problemData, rows, ApplyLinearScalingParameter.ActualValue.Value);