Changeset 11156 for trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/Implementation

Timestamp:

07/09/14 10:37:01 (10 years ago)

Author:

gkronber

Message:

#2206: made several changes / improvements to the data-preprocessing code while reviewing the code

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/DataAnalysisProblemData.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/DataAnalysisProblemData.cs

@@ -126 +126 @@
     }
 
-    protected DataAnalysisProblemData(Dataset dataset, IEnumerable<string> allowedInputVariables, IEnumerable<ITransformation> transformations) {
+    protected DataAnalysisProblemData(Dataset dataset, IEnumerable<string> allowedInputVariables, IEnumerable<ITransformation> transformations = null) {
       if (dataset == null) throw new ArgumentNullException("The dataset must not be null.");
       if (allowedInputVariables == null) throw new ArgumentNullException("The allowedInputVariables must not be null.");
@@ -132 +132 @@
       if (allowedInputVariables.Except(dataset.DoubleVariables).Any())
         throw new ArgumentException("All allowed input variables must be present in the dataset and of type double.");
-
-      if (transformations == null) throw new ArgumentNullException("The transformations must not be null.");
 
       var inputVariables = new CheckedItemList<StringValue>(dataset.DoubleVariables.Select(x => new StringValue(x)));
@@ -144 +142 @@
       int testPartitionEnd = dataset.Rows;
 
-      var transformationsList = new ItemList<ITransformation>(transformations);
+      var transformationsList = new ItemList<ITransformation>(transformations ?? Enumerable.Empty<ITransformation>());
 
       Parameters.Add(new FixedValueParameter<Dataset>(DatasetParameterName, "", dataset));