Changeset 4125 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic

Timestamp:

08/01/10 18:08:04 (14 years ago)

Author:

gkronber

Message:

Made variable frequency analyzer more efficient and removed subtraction of base line (variable impacts are now in the range 0..1 instead of -1 .. 1) #1011

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/Analyzers/BestSymbolicRegressionSolutionAnalyzer.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Regression/3.3/Symbolic/Analyzers/BestSymbolicRegressionSolutionAnalyzer.cs

@@ -124 +124 @@
         foreach (var dataRow in variableFrequencies.Rows) {
           string variableName = dataRow.Name;
-          double integral = 0;
-          if (dataRow.Values.Count > 1) {
-            double baseline = dataRow.Values.First();
-            integral = (from value in dataRow.Values
-                        select value - baseline)
-                              .Sum();
-            integral /= dataRow.Values.Count;
-          }
-          impacts[rowIndex++, 0] = integral;
+          impacts[rowIndex++, 0] = dataRow.Values.Average();
         }
         return impacts;