Changeset 6784 for branches/GP.Grammar.Editor/HeuristicLab.Algorithms.DataAnalysis/3.4/SupportVectorMachine

Timestamp:

09/16/11 12:00:36 (13 years ago)

Author:

mkommend

Message:

#1479: Integrated trunk changes.

File:

• branches/GP.Grammar.Editor/HeuristicLab.Algorithms.DataAnalysis/3.4/SupportVectorMachine/SupportVectorMachineUtil.cs (modified) (2 diffs)

branches/GP.Grammar.Editor/HeuristicLab.Algorithms.DataAnalysis/3.4/SupportVectorMachine/SupportVectorMachineUtil.cs

@@ -34 +34 @@
     public static SVM.Problem CreateSvmProblem(Dataset dataset, string targetVariable, IEnumerable<string> inputVariables, IEnumerable<int> rowIndices) {
       double[] targetVector =
-        dataset.GetEnumeratedVariableValues(targetVariable, rowIndices)
-        .ToArray();
+        dataset.GetDoubleValues(targetVariable, rowIndices).ToArray();
 
       SVM.Node[][] nodes = new SVM.Node[targetVector.Length][];
@@ -46 +45 @@
         int colIndex = 1; // make sure the smallest node index for SVM = 1
         foreach (var inputVariable in inputVariablesList) {
-          double value = dataset[row, dataset.GetVariableIndex(inputVariable)];
+          double value = dataset.GetDoubleValue(inputVariable, row);
           // SVM also works with missing values
           // => don't add NaN values in the dataset to the sparse SVM matrix representation