Changeset 9330 for branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3/SampleSizeDetermination.cs

Timestamp:

03/21/13 16:47:39 (11 years ago)

Author:

ascheibe

Message:

#1886 added a view for sample size determination

File:

• branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3/SampleSizeDetermination.cs (modified) (1 diff)

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers.Views/3.3/SampleSizeDetermination.cs

@@ -38 +38 @@
       double result = 0;
 
-      double var = samples.Variance();
-      double n = alglib.normaldistribution((conf + 1) / 2);
+      double var = samples.StandardDeviation();
+      double n = alglib.invnormaldistribution((conf + 1) / 2);
       result = Math.Pow(n, 2) * Math.Pow(var, 2) / Math.Pow(e, 2);
-      return (int)Math.Ceiling(result);
+      result = Math.Ceiling(result);
+      if (result > int.MaxValue)
+        return int.MaxValue;
+      else
+        return (int)result;
     }