Changeset 17805 for trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman50.cs

Timestamp:

12/30/20 09:31:09 (4 years ago)

Author:

gkronber

Message:

#3075 Use the same noise levels and calculation as in our experiments for the IEEE TeC paper. Reordered instances by name first and noise level second. Removed number of samples from the name.

File:

• trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman50.cs (modified) (2 diffs)

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman50.cs

@@ -28 +28 @@
     public override string Name {
       get {
-        return string.Format("I.48.2 m*c**2/sqrt(1-v**2/c**2) | {0} samples | {1}", trainingSamples,
+        return string.Format("I.48.2 m*c**2/sqrt(1-v**2/c**2) | {0}",
           noiseRatio == null ? "no noise" : string.Format(System.Globalization.CultureInfo.InvariantCulture, "noise={0:g}",noiseRatio));
       }
@@ -70 +70 @@
       if (noiseRatio != null) {
         var E_n_noise   = new List<double>();
-        var sigma_noise = (double) noiseRatio * E_n.StandardDeviationPop();
+        var sigma_noise = (double) Math.Sqrt(noiseRatio.Value) * E_n.StandardDeviationPop();
         E_n_noise.AddRange(E_n.Select(md => md + NormalDistributedRandom.NextDouble(rand, 0, sigma_noise)));
         data.Remove(E_n);