Changeset 12449

Timestamp:

06/15/15 17:11:01 (9 years ago)

Author:

ehopf

Message:

#2361: Changed the calculation of the error in the OnlineWeightedResidualsMeanSquaredErrorCalculator. The weight is now only applied once to the error.

Location:

branches/SensitivityEvaluator

Files:

• HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SingleObjective/SymbolicClassificationSingleObjectiveWeightedResidualsMeanSquaredErrorEvaluator.cs (modified) (1 diff)
• HeuristicLab.Problems.DataAnalysis/3.4/OnlineCalculators/OnlineWeightedResidualsMeanSquaredErrorCalculator.cs (modified) (1 diff)

branches/SensitivityEvaluator/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SingleObjective/SymbolicClassificationSingleObjectiveWeightedResidualsMeanSquaredErrorEvaluator.cs

@@ -35 +35 @@
 The second residual category represents residuals which belong to the positive class whereby the estimated value is located between the positive and a negative class (PositiveClassResidualsWeight).
 All other cases are represented by the third category (NegativeClassesResidualsWeight).
-The weight is multiplied to the error before squaring which means that the Evaluator acts like a normal MSE-Evaluator if all the weights are set to 1.")]
+The weight gets multiplied to the squared error. Note that the Evaluator acts like a normal MSE-Evaluator if all the weights are set to 1.")]
   [StorableClass]
   public class SymbolicClassificationSingleObjectiveWeightedResidualsMeanSquaredErrorEvaluator : SymbolicClassificationSingleObjectiveEvaluator {

branches/SensitivityEvaluator/HeuristicLab.Problems.DataAnalysis/3.4/OnlineCalculators/OnlineWeightedResidualsMeanSquaredErrorCalculator.cs

@@ -82 +82 @@
           weight = NegativeClassesResidualsWeight;
         }
-        error *= weight;
-        sse += error * error;
+        sse += error * error * weight;
         n++;
         errorState = errorState & (~OnlineCalculatorError.InsufficientElementsAdded);        // n >= 1