Changeset 4202 for branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/Evaluators/SymbolicRegressionPearsonsRSquaredEvaluator.cs

Timestamp:

08/11/10 18:39:49 (14 years ago)

Author:

gkronber

Message:

Changed R² evaluator to return 0 when the estimated values contain NaN values. #1142.

File:

• branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/Evaluators/SymbolicRegressionPearsonsRSquaredEvaluator.cs (modified) (1 diff)

branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/Evaluators/SymbolicRegressionPearsonsRSquaredEvaluator.cs

@@ -54 +54 @@
         double original = originalEnumerator.Current;
         if (double.IsNaN(estimated))
-          estimated = upperEstimationLimit;
+          return 0.0;
         else
           estimated = Math.Min(upperEstimationLimit, Math.Max(lowerEstimationLimit, estimated));