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Ignore:
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:
1 edited

Legend:

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  • trunk/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Feynman/Feynman96.cs

    r17966 r17973  
    3636
    3737    protected override string[] VariableNames {
    38       get { return new[] {"h", "E_n", "d", noiseRatio == null ? "m" : "m_noise"}; }
     38      get { return noiseRatio == null ? new[] { "h", "E_n", "d", "m" } : new[] { "h", "E_n", "d", "m", "m_noise" }; }
    3939    }
    4040
     
    6868      }
    6969
    70       if (noiseRatio != null) {
    71         var m_noise     = new List<double>();
    72         var sigma_noise = (double) Math.Sqrt(noiseRatio.Value) * m.StandardDeviationPop();
    73         m_noise.AddRange(m.Select(md => md + NormalDistributedRandomPolar.NextDouble(rand, 0, sigma_noise)));
    74         data.Remove(m);
    75         data.Add(m_noise);
    76       }
     70      var targetNoise = GetNoisyTarget(m, rand);
     71      if (targetNoise != null) data.Add(targetNoise);
    7772
    7873      return data;
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