Changeset 3892 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/SimpleSymbolicRegressionEvaluator.cs

Timestamp:

06/02/10 19:10:35 (14 years ago)

Author:

gkronber

Message:

Improved code for analyzers for SVR and symbolic regression. #1009

File:

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

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

@@ -125 +125 @@
       int start = SamplesStart.Value;
       int end = SamplesEnd.Value;
-      double lowerEstimationLimit = LowerEstimationLimit.Value;
-      double upperEstimationLimit = UpperEstimationLimit.Value;
+      double lowerEstimationLimit = LowerEstimationLimit != null ? LowerEstimationLimit.Value : double.NegativeInfinity;
+      double upperEstimationLimit = UpperEstimationLimit != null ? UpperEstimationLimit.Value : double.PositiveInfinity;
       int targetVariableIndex = dataset.GetVariableIndex(targetVariable);
       var estimatedValues = from x in interpreter.GetSymbolicExpressionTreeValues(tree, dataset, Enumerable.Range(start, end - start))