Changeset 2428 for trunk/sources/HeuristicLab.Modeling/3.2/SimpleR2Evaluator.cs

Timestamp:

10/15/09 12:36:04 (15 years ago)

Author:

gkronber

Message:

Implemented #782 (Additional model quality metrics: Pearson product-moment correlation coefficient and Spearman's rank correlation coefficient)

File:

• trunk/sources/HeuristicLab.Modeling/3.2/SimpleR2Evaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Modeling/3.2/SimpleR2Evaluator.cs

@@ -48 +48 @@
           double target = values[i, ORIGINAL_INDEX];
           if (!double.IsNaN(target) && !double.IsInfinity(target)) {
-            target = target - targetMean;
-            target = target * target;
-            targetDeviationTotalSumOfSquares += target;
+            double targetDiff = target - targetMean;
+            targetDeviationTotalSumOfSquares += targetDiff * targetDiff;
           }
         }