Changeset 7682 for branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Regression

Timestamp:

04/02/12 10:55:26 (13 years ago)

Author:

sforsten

Message:

#1784:

• added Problem.Instances.Classification project
• added classification problem instances
• added a class Transformer to Problem.Instances

File:

• branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Regression/RegressionProblem.cs (modified) (2 diffs)

branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Regression/RegressionProblem.cs

@@ -71 +71 @@
       regData.Description = Description;
       regData.TargetVariable = ProblemData.TargetVariable;
-      regData.InputVariables = ProblemData.InputVariables.Select(x => x.Value);
-      regData.AllowedInputVariables = ProblemData.AllowedInputVariables;
+      regData.InputVariables = ProblemData.InputVariables.Select(x => x.Value).ToArray();
+      regData.AllowedInputVariables = ProblemData.AllowedInputVariables.ToArray();
       regData.TrainingPartitionStart = ProblemData.TrainingPartition.Start;
       regData.TrainingPartitionEnd = ProblemData.TrainingPartition.End;
@@ -82 +82 @@
         data.Add(ProblemData.Dataset.GetDoubleValues(variable).ToList());
       }
-      regData.Values = Transformation(data);
+      regData.Values = Transformer.Transformation(data);
 
       return regData;
     }
-
-    public static double[,] Transformation(List<List<double>> data) {
-      if (!data.All(x => x.Count.Equals(data.First().Count)))
-        throw new ArgumentException("Can't create jagged array.");
-      double[,] values = new double[data.First().Count, data.Count];
-      for (int i = 0; i < values.GetLength(0); i++) {
-        for (int j = 0; j < values.GetLength(1); j++) {
-          values[i, j] = data[j][i];
-        }
-      }
-      return values;
-    }
   }
 }