Changeset 5894 for trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlinePearsonsRSquaredEvaluator.cs

Timestamp:

03/30/11 18:04:03 (13 years ago)

Author:

gkronber

Message:

#1453: Added an ErrorState property to online evaluators to indicate if the result value is valid or if there has been an error in the calculation. Adapted all classes that use one of the online evaluators to check this property.

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlinePearsonsRSquaredEvaluator.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/OnlineEvaluators/OnlinePearsonsRSquaredEvaluator.cs

@@ -46 +46 @@
 
     #region IOnlineEvaluator Members
+    public OnlineEvaluatorError ErrorState {
+      get { return covEvaluator.ErrorState | sxEvaluator.PopulationVarianceErrorState | syEvaluator.PopulationVarianceErrorState; }
+    }
     public double Value {
       get { return RSquared; }
@@ -64 +67 @@
     #endregion
 
-    public static double Calculate(IEnumerable<double> first, IEnumerable<double> second) {
+    public static double Calculate(IEnumerable<double> first, IEnumerable<double> second, out OnlineEvaluatorError errorState) {
       IEnumerator<double> firstEnumerator = first.GetEnumerator();
       IEnumerator<double> secondEnumerator = second.GetEnumerator();
@@ -80 +83 @@
         throw new ArgumentException("Number of elements in first and second enumeration doesn't match.");
       } else {
+        errorState = rSquaredEvaluator.ErrorState;
         return rSquaredEvaluator.RSquared;
       }