Changeset 2683 for trunk/sources/HeuristicLab.GP.Algorithms

Timestamp:

01/25/10 15:26:00 (15 years ago)

Author:

gkronber

Message:

Implemented operator to calculate variable impacts based on the log of variable frequencies over the whole GP run and integrated operators into default SGP and OSGP algorithms. #853 (Operator to calculate variable impacts as integral over the relative frequencies of variable references over the whole GP run and the whole population)

Location:

trunk/sources/HeuristicLab.GP.Algorithms/3.2

Files:

• AlgorithmBase.cs (modified) (1 diff)
• OffspringSelectionGP.cs (modified) (1 diff)

trunk/sources/HeuristicLab.GP.Algorithms/3.2/AlgorithmBase.cs

@@ -287 +287 @@
       loop.AddSubOperator(seq);
 
+      seq.AddSubOperator(CreateGenerationStepHook());
+      seq.AddSubOperator(qualityCalculator);
+      seq.AddSubOperator(loggingOperator);
+      seq.AddSubOperator(counter);
       seq.AddSubOperator(childCreater);
       seq.AddSubOperator(replacement);
-      seq.AddSubOperator(qualityCalculator);
-      seq.AddSubOperator(CreateGenerationStepHook());
-      seq.AddSubOperator(loggingOperator);
-      seq.AddSubOperator(counter);
       seq.AddSubOperator(terminationCriterionExtractor);
       seq.AddSubOperator(loop);

trunk/sources/HeuristicLab.GP.Algorithms/3.2/OffspringSelectionGP.cs

@@ -70 +70 @@
       injector.AddVariable(new HeuristicLab.Core.Variable("ComparisonFactor", new DoubleData()));
       injector.AddVariable(new HeuristicLab.Core.Variable("SelectionPressureLimit", new DoubleData()));
+      injector.AddVariable(new HeuristicLab.Core.Variable("SelectionPressure", new DoubleData(1)));
       injector.AddVariable(new HeuristicLab.Core.Variable("SuccessRatioLimit", new DoubleData()));
       return injector;