Changeset 15958 for branches/2913_MatlabScriptProblemInstanceProvider/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Matlab/RegressionMatlabInstanceProvider.cs

Timestamp:

06/13/18 15:28:39 (6 years ago)

Author:

rhanghof

Message:

#2913:

• Enhancements on the RegressionMatlabImportDialog
• Added a new text formater SymbolicDataAnalysisExpressionMATLABFunctionFormatter

File:

• branches/2913_MatlabScriptProblemInstanceProvider/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Matlab/RegressionMatlabInstanceProvider.cs (modified) (2 diffs)

branches/2913_MatlabScriptProblemInstanceProvider/HeuristicLab.Problems.Instances.DataAnalysis/3.3/Regression/Matlab/RegressionMatlabInstanceProvider.cs

@@ -28 +28 @@
 using HeuristicLab.Common;
 using HeuristicLab.Problems.DataAnalysis;
-using HeuristicLab.Problems.Instances.DataAnalysis.Regression.Matlab.Api;
 using HeuristicLab.Problems.Instances.DataAnalysis.Regression.Matlab.Api.Types;
+using HeuristicLab.Random;
 
 namespace HeuristicLab.Problems.Instances.DataAnalysis.Regression.Matlab {
@@ -67 +67 @@
 
 
+    private Dataset GetValues(RegressionMatlabImportType type) {
+      if (type.Shuffle) {
+        type.Values = type.Values.Shuffle(new MersenneTwister());
+      }
+      return type.Values;
+    }
+
     public IRegressionProblemData ImportData(string path, RegressionMatlabImportType type, IEnumerable<MLVariableInfo> variableNames) {
-      var dataset = type.Values;
+      var dataset = GetValues(type);
       var targetVar = type.TargetVariable;