Changeset 10805 for branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis.Transformations/3.3/PowerTransformation.cs

Timestamp:

05/07/14 11:04:44 (10 years ago)

Author:

tsteinre

Message:

• refactored PowerTransformation
• repaired Transformations / refactored TransactionalPreprocessingData

File:

• branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis.Transformations/3.3/PowerTransformation.cs (moved) (moved from branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis.Transformations/3.3/ExponentiationTransformation.cs) (1 diff)

branches/DataPreprocessing/HeuristicLab.Problems.DataAnalysis.Transformations/3.3/PowerTransformation.cs

@@ -8 +8 @@
 
 namespace HeuristicLab.Problems.DataAnalysis.Transformations {
-  [Item("ExponentationTransformation", "Represents a exponentation transformation.")]
-  public class ExponentiationTransformation : Transformation<double> {
-    protected const string BaseParameterName = "Base";
+  [Item("PowerTransformation", "Represents a power transformation.")]
+  public class PowerTransformation : Transformation<double> {
+    protected const string ExponentParameterName = "Exponent";
 
     #region Parameters
-    public IValueParameter<DoubleValue> BaseParameter {
-      get { return (IValueParameter<DoubleValue>)Parameters[BaseParameterName]; }
+    public IValueParameter<DoubleValue> ExponentParameter {
+      get { return (IValueParameter<DoubleValue>)Parameters[ExponentParameterName]; }
     }
     #endregion
 
     #region properties
-    public double Base {
-      get { return BaseParameter.Value.Value; }
+    public double Exponent {
+      get { return ExponentParameter.Value.Value; }
     }
     #endregion
 
     [StorableConstructor]
-    protected ExponentiationTransformation(bool deserializing) : base(deserializing) { }
-    protected ExponentiationTransformation(Transformation<double> original, Cloner cloner)
+    protected PowerTransformation(bool deserializing) : base(deserializing) { }
+    protected PowerTransformation(Transformation<double> original, Cloner cloner)
       : base(original, cloner) {
     }
-    public ExponentiationTransformation(IEnumerable<string> allowedColumns)
+    public PowerTransformation(IEnumerable<string> allowedColumns)
       : base(allowedColumns) {
-      Parameters.Add(new ValueParameter<DoubleValue>(BaseParameterName, "Base for Exponentation", new DoubleValue(Math.E)));
+        Parameters.Add(new ValueParameter<DoubleValue>(ExponentParameterName, "Exponent for Exponentation", new DoubleValue(Math.E)));
     }
 
     public override IDeepCloneable Clone(Cloner cloner) {
-      return new ExponentiationTransformation(this, cloner);
+      return new PowerTransformation(this, cloner);
     }
 
     public override IEnumerable<double> Apply(IEnumerable<double> data) {
       foreach (double i in data) {
-        yield return Math.Pow(Base, i);
+        yield return Math.Pow(i, Exponent);
       }
     }