Changeset 13867 for branches/HeuristicLab.Problems.GeneticProgramming.BloodGlucosePrediction/CurvedChVariableTreeNode.cs

Timestamp:

05/31/16 17:05:49 (8 years ago)

Author:

gkronber

Message:

#2608 worked on glucose prediction problem

File:

• branches/HeuristicLab.Problems.GeneticProgramming.BloodGlucosePrediction/CurvedChVariableTreeNode.cs (modified) (3 diffs)

branches/HeuristicLab.Problems.GeneticProgramming.BloodGlucosePrediction/CurvedChVariableTreeNode.cs

@@ -32 +32 @@
       get { return (CurvedChVariableSymbol)base.Symbol; }
     }
+
+    [Storable]
+    private double alpha;
+    public double Alpha {
+      get { return alpha; }
+      set { alpha = value; }
+    }
+
+    [Storable]
+    private double beta;
+    public double Beta {
+      get { return beta; }
+      set { beta = value; }
+    }
+    [Storable]
+    private double weight;
+    public double Weight {
+      get { return weight; }
+      set { weight = value; }
+    }
     [StorableConstructor]
     protected CurvedChVariableTreeNode(bool deserializing) : base(deserializing) { }
     protected CurvedChVariableTreeNode(CurvedChVariableTreeNode original, Cloner cloner)
       : base(original, cloner) {
+      this.alpha = original.alpha;
+      this.beta = original.beta;
+      this.weight = original.weight;
     }
     protected CurvedChVariableTreeNode() { }
@@ -41 +64 @@
 
     public override bool HasLocalParameters {
-      get { return false; }
+      get { return true; }
     }
 
     public override void ResetLocalParameters(IRandom random) {
       base.ResetLocalParameters(random);
+      weight = NormalDistributedRandom.NextDouble(random, 0, 10);
+      alpha = UniformDistributedRandom.NextDouble(random, Symbol.MinAlpha, Symbol.MaxAlpha);
+      beta = UniformDistributedRandom.NextDouble(random, Symbol.MinBeta, Symbol.MaxBeta);
     }
 
     public override void ShakeLocalParameters(IRandom random, double shakingFactor) {
       base.ShakeLocalParameters(random, shakingFactor);
+      weight += NormalDistributedRandom.NextDouble(random, 0, 1.0 * shakingFactor);
+      alpha += NormalDistributedRandom.NextDouble(random, 0, 1 * shakingFactor);
+      beta += NormalDistributedRandom.NextDouble(random, 0, 1 * shakingFactor);
+
+      alpha = Math.Min(Symbol.MaxAlpha, Math.Max(Symbol.MinAlpha, alpha));
+      beta = Math.Min(Symbol.MinBeta, Math.Max(Symbol.MinBeta, beta));
     }
 
@@ -57 +89 @@
 
     public override string ToString() {
-      return string.Format("curvedCh(alpha: {0}, beta: {1})", Symbol.Alpha, Symbol.Beta);
+      return string.Format("{0:N3}*curvedCh(alpha: {1:N3}, beta: {2:N3})", weight, alpha, beta);
     }
   }