Changeset 1426 for trunk/sources

Timestamp:

03/26/09 11:02:09 (15 years ago)

Author:

gkronber

Message:

Implemented mapping from categorical values to double values. Ordering can't be changed and is more or less random. #544 (Values of categorical model attributes are not visualized correctly in the CEDMA bubble chart)

File:

• trunk/sources/HeuristicLab.CEDMA.Core/Results.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.CEDMA.Core/Results.cs

@@ -65 +65 @@
       }
     }
+
+    private Dictionary<string, Dictionary<object, double>> categoricalValueIndices = new Dictionary<string, Dictionary<object, double>>();
 
     private Entity dataSetEntity;
@@ -139 +141 @@
 
     public double IndexOfCategoricalValue(string variable, object value) {
-      return 1.0; // TODO
+      if (value == null) return double.NaN;
+      Dictionary<object, double> valueToIndexMap;
+      if (categoricalValueIndices.ContainsKey(variable)) {
+        valueToIndexMap = categoricalValueIndices[variable];
+      } else {
+        valueToIndexMap = new Dictionary<object, double>();
+        categoricalValueIndices[variable] = valueToIndexMap;
+      }
+      if (!valueToIndexMap.ContainsKey(value)) {
+        if (valueToIndexMap.Values.Count == 0) valueToIndexMap[value] = 1.0;
+        else valueToIndexMap[value] = 1.0 + valueToIndexMap.Values.Max();
+      }
+      return valueToIndexMap[value];
     }
   }