Changeset 8639 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Regression/3.4/SingleObjective

Timestamp:

09/13/12 09:48:24 (12 years ago)

Author:

mkommend

Message:

#1951: Changed symbolic regression evaluator and scale method in the symbolic regression model to ignore invalid (NaN & infinite) values during calculation of the scaling parameters.

File:

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

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

@@ -78 +78 @@
         double estimated = estimatedValuesEnumerator.Current;
         cache[i] = estimated;
-        linearScalingCalculator.Add(estimated, target);
+        if (!double.IsNaN(estimated) && !double.IsInfinity(estimated))
+          linearScalingCalculator.Add(estimated, target);
         i++;
       }