Changeset 8549 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SingleObjective

Timestamp:

08/31/12 13:47:32 (12 years ago)

Author:

abeham

Message:

#1924: Divided penalty by the number of evaluated fitness cases

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SingleObjective/SymbolicClassificationSingleObjectivePenaltyScoreEvaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SingleObjective/SymbolicClassificationSingleObjectivePenaltyScoreEvaluator.cs

@@ -52 +52 @@
       if (!estimations.MoveNext()) return double.NaN;
 
-      double penalty = 0.0;
+      var penalty = 0.0;
+      var count = 0;
       foreach (var r in rows) {
         var actualClass = problemData.Dataset.GetDoubleValue(problemData.TargetVariable, r);
         penalty += problemData.GetClassificationPenalty(actualClass, estimations.Current);
         estimations.MoveNext();
+        count++;
       }
-      return penalty;
+      return penalty / count;
     }