Changeset 3542

Timestamp:

04/27/10 11:45:40 (15 years ago)

Author:

gkronber

Message:

Fixed problem with BestValidationSolutionVisualizer when scaling parameters are not available. #938 (Data types and operators for regression problems)

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/BestValidationSymbolicRegressionSolutionVisualizer.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/BestValidationSymbolicRegressionSolutionVisualizer.cs

@@ -151 +151 @@
       var scaledExpressions = from i in Enumerable.Range(0, expressions.Count())
                               let expr = expressions[i]
-                              let alpha = alphas[i].Value
-                              let beta = betas[i].Value
+                              let alpha = alphas[i] == null ? 0.0 : alphas[i].Value
+                              let beta = betas[i] == null ? 1.0 : betas[i].Value
                               select new { Expression = expr, Alpha = alpha, Beta = beta };
       DataAnalysisProblemData problemData = DataAnalysisProblemDataParameter.ActualValue;