Changeset 4193 for branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis/3.3/Operators/WeightedParentsQualityVarianceComparator.cs

Timestamp:

08/11/10 12:59:53 (14 years ago)

Author:

gkronber

Message:

Created a feature/exploration branch for new data analysis features #1142

Location:

branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis

Files:

• . (copied) (copied from trunk/sources/HeuristicLab.Problems.DataAnalysis)
• 3.3/Operators/WeightedParentsQualityVarianceComparator.cs (modified) (2 diffs)

branches/DataAnalysis/HeuristicLab.Problems.DataAnalysis/3.3/Operators/WeightedParentsQualityVarianceComparator.cs

@@ -125 +125 @@
 
       bool result = false;
-      if (maximization)
-        result = righttail < ConfidenceIntervalParameter.ActualValue.Value;
-      else
-        result = lefttail < ConfidenceIntervalParameter.ActualValue.Value;
+      // reject only if the child is significantly worse
+      if (maximization) {
+        if (bothtails > ConfidenceIntervalParameter.ActualValue.Value) result = true;
+        else if (leftQuality > bestParentQuality) result = true;
+        else result = false;
+      } else {
+        if (bothtails > ConfidenceIntervalParameter.ActualValue.Value) result = true;
+        else if (leftQuality < bestParentQuality) result = true;
+        else result = false;
+      }
 
       BoolValue resultValue = ResultParameter.ActualValue;
@@ -136 +142 @@
         resultValue.Value = result;
       }
-
-
-
       return base.Apply();
     }