Changeset 9007 for trunk/sources/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Nguyen/NguyenFunctionFive.cs

Timestamp:

12/06/12 14:13:39 (12 years ago)

Author:

gkronber

Message:

#1979: cross-checked all regression problem instances with the GP benchmarks paper and adapted where I thought necessary.

File:

• trunk/sources/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Nguyen/NguyenFunctionFive.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Nguyen/NguyenFunctionFive.cs

@@ -43 +43 @@
     protected override int TrainingPartitionStart { get { return 0; } }
     protected override int TrainingPartitionEnd { get { return 20; } }
-    protected override int TestPartitionStart { get { return 250; } }
-    protected override int TestPartitionEnd { get { return 350; } }
+    protected override int TestPartitionStart { get { return 20; } }
+    protected override int TestPartitionEnd { get { return 520; } }
 
     protected override List<List<double>> GenerateValues() {
       List<List<double>> data = new List<List<double>>();
-      data.Add(ValueGenerator.GenerateUniformDistributedValues(500, -1, 1).ToList());
+      data.Add(ValueGenerator.GenerateUniformDistributedValues(520, -1, 1).ToList());
 
       double x;
@@ -54 +54 @@
       for (int i = 0; i < data[0].Count; i++) {
         x = data[0][i];
-        results.Add(Math.Sin(Math.Pow(x, 2)) * Math.Cos(x) - 1);
+        results.Add(Math.Sin(x * x) * Math.Cos(x) - 1);
       }
       data.Add(results);