Changeset 18086 for branches/2521_ProblemRefactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/NeuralNetwork/NeuralNetworkRegression.cs

Timestamp:

11/19/21 16:07:45 (2 years ago)

Author:

mkommend

Message:

#2521: Merged trunk changes into branch.

File:

• branches/2521_ProblemRefactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/NeuralNetwork/NeuralNetworkRegression.cs (modified) (2 diffs)

branches/2521_ProblemRefactoring/HeuristicLab.Algorithms.DataAnalysis/3.4/NeuralNetwork/NeuralNetworkRegression.cs

@@ -186 +186 @@
       IEnumerable<int> rows = problemData.TrainingIndices;
       double[,] inputMatrix = dataset.ToArray(allowedInputVariables.Concat(new string[] { targetVariable }), rows);
+      int nRows = inputMatrix.GetLength(0);
       if (inputMatrix.ContainsNanOrInfinity())
         throw new NotSupportedException("Neural network regression does not support NaN or infinity values in the input dataset.");
@@ -197 +198 @@
         alglib.mlpcreate2(allowedInputVariables.Count(), nHiddenNodes1, nHiddenNodes2, 1, out multiLayerPerceptron);
       } else throw new ArgumentException("Number of layers must be zero, one, or two.", "nLayers");
-      alglib.mlpreport rep;
-      int nRows = inputMatrix.GetLength(0);
 
       int info;
       // using mlptrainlm instead of mlptraines or mlptrainbfgs because only one parameter is necessary
-      alglib.mlptrainlm(multiLayerPerceptron, inputMatrix, nRows, decay, restarts, out info, out rep);
+      alglib.mlptrainlm(multiLayerPerceptron, inputMatrix, nRows, decay, restarts, out info, out _);
       if (info != 2) throw new ArgumentException("Error in calculation of neural network regression solution");