Changeset 16408 for branches/2942_KNNRegressionClassification/HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/NcaModel.cs

Timestamp:

12/19/18 14:56:54 (6 years ago)

Author:

msemenki

Message:

#2942: Add for KNN-Regression/Classification ability to utilize data points with zero distance to the query point. Alteration in the way weights are assigned to neighboring points (to except division-by-zero).

Location:

branches/2942_KNNRegressionClassification

Files:

• . (added)
• HeuristicLab.Algorithms.DataAnalysis (copied) (copied from trunk/HeuristicLab.Algorithms.DataAnalysis)
• HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/NcaModel.cs (modified) (1 diff)

branches/2942_KNNRegressionClassification/HeuristicLab.Algorithms.DataAnalysis/3.4/Nca/NcaModel.cs

@@ -65 +65 @@
 
       var ds = ReduceDataset(dataset, rows);
-      nnModel = new NearestNeighbourModel(ds, Enumerable.Range(0, ds.Rows), k, ds.VariableNames.Last(), ds.VariableNames.Take(transformationMatrix.GetLength(1)), classValues: classValues);
+      nnModel = new NearestNeighbourModel(ds, Enumerable.Range(0, ds.Rows), k, false,  ds.VariableNames.Last(), ds.VariableNames.Take(transformationMatrix.GetLength(1)), classValues: classValues);
     }