Changeset 14581 for branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing/3.4/Content/HistogramContent.cs

Timestamp:

01/18/17 11:25:43 (7 years ago)

Author:

mkommend

Message:

#2709: Refactored get variables for grouping (extracted method to another class).

File:

• branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing/3.4/Content/HistogramContent.cs (modified) (3 diffs)

branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing/3.4/Content/HistogramContent.cs

@@ -20 +20 @@
 #endregion
 
-using System;
-using System.Collections.Generic;
 using System.Drawing;
-using System.Linq;
 using HeuristicLab.Common;
 using HeuristicLab.Core;
@@ -30 +27 @@
   [Item("Histogram", "Represents the histogram grid.")]
   public class HistogramContent : PreprocessingChartContent {
-
     public static new Image StaticItemImage {
       get { return HeuristicLab.Common.Resources.VSImageLibrary.Statistics; }
     }
-
-    private const int MAX_DISTINCT_VALUES_FOR_GROUPING = 20;
 
     public string GroupingVariableName { get; set; }
@@ -55 +49 @@
     }
 
-    public IEnumerable<string> GetVariableNamesForGrouping() {
-      var variableNames = new List<string>();
 
-      for (int i = 0; i < PreprocessingData.Columns; ++i) {
-        int distinctValues = int.MaxValue;
-        if (PreprocessingData.VariableHasType<double>(i))
-          distinctValues = PreprocessingData.GetValues<double>(i).GroupBy(x => x).Count();
-        else if (PreprocessingData.VariableHasType<string>(i))
-          distinctValues = PreprocessingData.GetValues<string>(i).GroupBy(x => x).Count();
-        else if (PreprocessingData.VariableHasType<DateTime>(i))
-          distinctValues = PreprocessingData.GetValues<DateTime>(i).GroupBy(x => x).Count();
-
-        if (distinctValues <= MAX_DISTINCT_VALUES_FOR_GROUPING)
-          variableNames.Add(PreprocessingData.GetVariableName(i));
-      }
-      return variableNames;
-    }
   }
 }