Changeset 8921 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification

Timestamp:

11/19/12 15:11:44 (12 years ago)

Author:

gkronber

Message:

#1925 fixed robustness of NormalDistributionCutPointsThresholdCalculator. Now it always returns at least negative infinity and the most frequent class.

File:

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

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.Classification/3.4/SymbolicDiscriminantFunctionClassificationModel.cs

@@ -88 +88 @@
       var classValuesArr = classValues.ToArray();
       var thresholdsArr = thresholds.ToArray();
-      if (thresholdsArr.Length != classValuesArr.Length) throw new ArgumentException();
+      if (thresholdsArr.Length != classValuesArr.Length || thresholdsArr.Length < 1) 
+        throw new ArgumentException();
+      if (!double.IsNegativeInfinity(thresholds.First())) 
+        throw new ArgumentException();
 
       this.classValues = classValuesArr;