Changeset 10718

Timestamp:

04/02/14 16:08:56 (10 years ago)

Author:

mleitner

Message:

Add shuffletoindices

Location:

branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3

Files:

• Implementations/ManipulationLogic.cs (modified) (3 diffs)
• Interfaces/IManipulationLogic.cs (modified) (1 diff)

branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Implementations/ManipulationLogic.cs

@@ -203 +203 @@
           }
 
-          ReOrderToIndices(shuffledIndices);
+          ShuffleToIndices(shuffledIndices);
         }
       });
@@ -232 +232 @@
     }
 
+    public void ShuffleToIndices(IList<System.Tuple<int, int>> indices)
+    {
+      preprocessingData.InTransaction(() =>
+      {
+        for (int i = 0; i < preprocessingData.Columns; ++i)
+        {
+          if (preprocessingData.IsType<double>(i))
+          {
+            ShuffleToIndices<double>(i, indices);
+          }
+          else if (preprocessingData.IsType<string>(i))
+          {
+            ShuffleToIndices<string>(i, indices);
+          }
+          else if (preprocessingData.IsType<DateTime>(i))
+          {
+            ShuffleToIndices<DateTime>(i, indices);
+          }
+        }
+      });
+    }
+
     private void reOrderToIndices<T>(int columnIndex, IList<Tuple<int, int>> indices) {
 
@@ -246 +268 @@
     }
 
+    private void ShuffleToIndices<T>(int columnIndex, IList<Tuple<int, int>> indices)
+    {
+      // process all columns equally
+      foreach (Tuple<int, int> index in indices)
+      {
+        int originalIndex = index.Item1;
+        int replaceIndex = index.Item2;
+
+        T tmp = preprocessingData.GetCell<T>(columnIndex, originalIndex);
+        T replaceValue = preprocessingData.GetCell<T>(columnIndex, replaceIndex);
+
+        preprocessingData.SetCell<T>(columnIndex, originalIndex, replaceValue);
+        preprocessingData.SetCell<T>(columnIndex, replaceIndex, tmp);
+      }
+    }
+
     public void ReplaceIndicesByValue(IDictionary<int, IList<int>> cells, string value) {
       preprocessingData.InTransaction(() => {

branches/DataPreprocessing/HeuristicLab.DataPreprocessing/3.3/Interfaces/IManipulationLogic.cs

@@ -27 +27 @@
     void ReOrderToIndices(IEnumerable<int> indices);
     void ReOrderToIndices(IList<Tuple<int, int>> indices);
+    void ShuffleToIndices(IList<System.Tuple<int, int>> indices);
     void ReplaceIndicesByAverageValue(IDictionary<int, IList<int>> cells);
     void ReplaceIndicesByLinearInterpolationOfNeighbours(IDictionary<int, IList<int>> cells);