Changeset 18086 for branches/2521_ProblemRefactoring/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman2.cs

Timestamp:

11/19/21 16:07:45 (2 years ago)

Author:

mkommend

Message:

#2521: Merged trunk changes into branch.

Location:

branches/2521_ProblemRefactoring/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman

Files:

• . (copied) (copied from trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman)
• Feynman2.cs (modified) (3 diffs)

branches/2521_ProblemRefactoring/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman2.cs

@@ -28 +28 @@
     public override string Name {
       get {
-        return string.Format("I.6.20 exp(-(theta/sigma)**2/2)/(sqrt(2*pi)*sigma) | {0} samples | {1}",
-          trainingSamples, noiseRatio == null ? "no noise" : string.Format(System.Globalization.CultureInfo.InvariantCulture, "noise={0:g}",noiseRatio));
+        return string.Format("I.6.20 exp(-(theta/sigma)**2/2)/(sqrt(2*pi)*sigma) | {0}",
+          noiseRatio == null ? "no noise" : string.Format(System.Globalization.CultureInfo.InvariantCulture, "noise={0:g}",noiseRatio));
       }
     }
@@ -36 +36 @@
 
     protected override string[] VariableNames {
-      get { return new[] {"sigma", "theta", noiseRatio == null ? "f" : "f_noise"}; }
+      get { return noiseRatio == null ? new[] { "sigma", "theta", "f" } : new[] { "sigma", "theta", "f", "f_noise" }; }
     }
 
@@ -66 +66 @@
       }
 
-      if (noiseRatio != null) {
-        var f_noise     = new List<double>();
-        var sigma_noise = (double) noiseRatio * f.StandardDeviationPop();
-        f_noise.AddRange(f.Select(md => md + NormalDistributedRandom.NextDouble(rand, 0, sigma_noise)));
-        data.Remove(f);
-        data.Add(f_noise);
-      }
+      var targetNoise = ValueGenerator.GenerateNoise(f, rand, noiseRatio);
+      if (targetNoise != null) data.Add(targetNoise);
 
       return data;