Changeset 9272 for trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/Initialization/NcaInitializer.cs

Timestamp:

03/04/13 15:16:49 (11 years ago)

Author:

abeham

Message:

#1913: removed scaling of data

File:

• trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/Initialization/NcaInitializer.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/Initialization/NcaInitializer.cs

@@ -43 +43 @@
       get { return (ILookupParameter<RealVector>)Parameters["NcaMatrix"]; }
     }
-    public ILookupParameter<Scaling> ScalingParameter {
-      get { return (ILookupParameter<Scaling>)Parameters["Scaling"]; }
-    }
 
     [StorableConstructor]
@@ -54 +51 @@
       Parameters.Add(new LookupParameter<IntValue>("Dimensions", "The number of dimensions to which the features should be pruned."));
       Parameters.Add(new LookupParameter<RealVector>("NcaMatrix", "The coefficients of the matrix that need to be optimized. Note that the matrix is flattened."));
-      Parameters.Add(new LookupParameter<Scaling>("Scaling", "Each dataset is scaled and the information is stored in a scaling object."));
     }
 
     public override IOperation Apply() {
       var problemData = ProblemDataParameter.ActualValue;
-      var scaling = new Scaling(problemData.Dataset, problemData.AllowedInputVariables, problemData.TrainingIndices);
 
       var dimensions = DimensionsParameter.ActualValue.Value;
-      var matrix = Initialize(problemData, scaling, dimensions);
+      var matrix = Initialize(problemData, dimensions);
       var attributes = matrix.GetLength(0);
 
@@ -70 +65 @@
           result[i * dimensions + j] = matrix[i, j];
 
-      ScalingParameter.ActualValue = scaling;
       NcaMatrixParameter.ActualValue = new RealVector(result);
       return base.Apply();
     }
 
-    public abstract double[,] Initialize(IClassificationProblemData data, Scaling scaling, int dimensions);
+    public abstract double[,] Initialize(IClassificationProblemData data, int dimensions);
   }
 }