Changeset 18104 for branches/3136_Structural_GP/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs

Timestamp:

12/03/21 13:46:20 (2 years ago)

Author:

dpiringe

Message:

#3136

• overrode the method GetActualValue in ValueLookupParameter to get the default value when the execution context is null
• reverted the linear scaling logic for NMSESingleObjectiveConstraintsEvaluator
• in SymbolicRegressionConstantOptimizationEvaluator: removed the usage of GenerateRowsToEvaluate because it uses lookup parameters
• set the value of RelativeNumberOfEvaluatedSamplesParameter for SymbolicRegressionConstantOptimizationEvaluator in StructuredSymbolicRegressionSingleObjectiveProblem if Maximization = true and the SymbolicRegressionConstantOptimizationEvaluator is configured as evaluator
• added the SubFunctionSymbol in TreeToAutoDiffTermConverter

File:

• branches/3136_Structural_GP/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs (modified) (1 diff)

branches/3136_Structural_GP/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective/Evaluators/SymbolicRegressionConstantOptimizationEvaluator.cs

@@ -202 +202 @@
       var propability = random.NextDouble();
       if (propability < ConstantOptimizationProbability.Value) {
-        IEnumerable<int> constantOptimizationRows = GenerateRowsToEvaluate(ConstantOptimizationRowsPercentage.Value);
         quality = OptimizeConstants(
           interpreter, tree,
-          problemData, constantOptimizationRows,
+          problemData, rows,
           applyLinearScaling,
           ConstantOptimizationIterations.Value,