Changeset 363 for trunk/sources/HeuristicLab.StructureIdentification/Evaluation/CoefficientOfDeterminationEvaluator.cs

Timestamp:

07/04/08 17:30:24 (16 years ago)

Author:

gkronber

Message:

• implemented operator to store the best of run solution, in regard of a specific fitness variable).
• adapted struct-id infrastructure to allow evaluation of models on validation data.

ticket #194

File:

• trunk/sources/HeuristicLab.StructureIdentification/Evaluation/CoefficientOfDeterminationEvaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.StructureIdentification/Evaluation/CoefficientOfDeterminationEvaluator.cs

@@ -47 +47 @@
       double originalDeviationTotalSumOfSquares = 0.0;
       double targetMean = dataset.GetMean(targetVariable);
+      functionTree.PrepareEvaluation(dataset);
       for(int sample = 0; sample < dataset.Rows; sample++) {
-        double estimated = functionTree.Evaluate(dataset, sample);
+        double estimated = functionTree.Evaluate(sample);
         double original = dataset.GetValue(sample, targetVariable);
         if(!double.IsNaN(original) && !double.IsInfinity(original)) {