Changeset 191 for trunk/sources/HeuristicLab.StructureIdentification/Evaluation

Timestamp:

04/25/08 14:46:03 (17 years ago)

Author:

gkronber

Message:

minor speed tuning

File:

• trunk/sources/HeuristicLab.StructureIdentification/Evaluation/MCCEvaluator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.StructureIdentification/Evaluation/MCCEvaluator.cs

@@ -43 +43 @@
     }
 
+    private double[] original = new double[1];
+    private double[] estimated = new double[1];
     public override double Evaluate(IScope scope, IFunctionTree functionTree, int targetVariable, Dataset dataset) {
       double limit = GetVariableValue<DoubleData>("ClassSeparation", scope, false).Data;
-      double[] estimated = new double[dataset.Rows];
-      double[] original = new double[dataset.Rows];
+      if(estimated.Length != dataset.Rows) {
+        estimated = new double[dataset.Rows];
+        original = new double[dataset.Rows];
+      }
       double positive = 0;
       double negative = 0;