Changeset 17973 for trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman92.cs

Timestamp:

05/04/21 14:29:30 (3 years ago)

Author:

chaider

Message:

#3075

• Added target without noise to noisy instances
• Moved noise calculation to descriptor

File:

• trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman92.cs (modified) (2 diffs)

trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman92.cs

@@ -34 +34 @@
 
     protected override string TargetVariable { get { return noiseRatio == null ? "L" : "L_noise"; } }
-    protected override string[] VariableNames { get { return new[] {"n", "h", noiseRatio == null ? "L" : "L_noise"}; } }
+
+    protected override string[] VariableNames {
+      get { return noiseRatio == null ? new[] { "n", "h", "L" } : new[] { "n", "h", "L", "L_noise" }; }
+    }
     protected override string[] AllowedInputVariables { get { return new[] {"n", "h"}; } }
 
@@ -62 +65 @@
       }
 
-      if (noiseRatio != null) {
-        var L_noise     = new List<double>();
-        var sigma_noise = (double) Math.Sqrt(noiseRatio.Value) * L.StandardDeviationPop();
-        L_noise.AddRange(L.Select(md => md + NormalDistributedRandomPolar.NextDouble(rand, 0, sigma_noise)));
-        data.Remove(L);
-        data.Add(L_noise);
-      }
+      var targetNoise = GetNoisyTarget(L, rand);
+      if (targetNoise != null) data.Add(targetNoise);
 
       return data;