Changeset 3980 for trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators/SimpleMeanAbsolutePercentageErrorEvaluator.cs

Timestamp:

06/30/10 15:01:10 (14 years ago)

Author:

gkronber

Message:

Fixed calculation error in operator to calculate the relative prediction error. #1065

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators/SimpleMeanAbsolutePercentageErrorEvaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators/SimpleMeanAbsolutePercentageErrorEvaluator.cs

@@ -57 +57 @@
         if (!double.IsNaN(e) && !double.IsInfinity(e) &&
             !double.IsNaN(o) && !double.IsInfinity(o) && !o.IsAlmost(0.0)) {
-          double error = Math.Abs((e - o) / o);
-          sre += error * error;
+          sre += Math.Abs((e - o) / o);
           cnt++;
         }