Changeset 5564 for branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlineMeanSquaredErrorEvaluator.cs

Timestamp:

02/28/11 09:40:16 (13 years ago)

Author:

gkronber

Message:

#1418 fixed bugs in online evaluators introduced with r5559

File:

• branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlineMeanSquaredErrorEvaluator.cs (modified) (2 diffs)

branches/DataAnalysis Refactoring/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlineMeanSquaredErrorEvaluator.cs

@@ -67 +67 @@
       OnlineMeanSquaredErrorEvaluator mseEvaluator = new OnlineMeanSquaredErrorEvaluator();
 
-      while (firstEnumerator.MoveNext() && secondEnumerator.MoveNext()) {
+      // always move forward both enumerators (do not use short-circuit evaluation!)
+      while (firstEnumerator.MoveNext() & secondEnumerator.MoveNext()) {
         double estimated = secondEnumerator.Current;
         double original = firstEnumerator.Current;
@@ -73 +74 @@
       }
 
+      // check if both enumerators are at the end to make sure both enumerations have the same length
       if (secondEnumerator.MoveNext() || firstEnumerator.MoveNext()) {
         throw new ArgumentException("Number of elements in first and second enumeration doesn't match.");