Changeset 3253 for trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators/SimpleMSEEvaluator.cs

Timestamp:

04/01/10 21:06:40 (14 years ago)

Author:

gkronber

Message:

Implemented basic framework for symbolic regression problems for HL 3.3. #938 (Data types and operators for regression problems)

Location:

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators

Files:

• . (added)
• SimpleMSEEvaluator.cs (copied) (copied from trunk/sources/HeuristicLab.Modeling/3.2/SimpleMSEEvaluator.cs) (2 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis/3.3/Evaluators/SimpleMSEEvaluator.cs

@@ -1 @@
-using System;
+#region License Information
+/* HeuristicLab
+ * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ *
+ * This file is part of HeuristicLab.
+ *
+ * HeuristicLab is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HeuristicLab is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -5 +26 @@
 using HeuristicLab.Core;
 using HeuristicLab.Data;
-using HeuristicLab.DataAnalysis;
 
-namespace HeuristicLab.Modeling {
-  public class SimpleMSEEvaluator : SimpleEvaluatorBase {
+namespace HeuristicLab.Problems.DataAnalysis.Evaluators {
+  public class SimpleMSEEvaluator : SimpleEvaluator {
 
-    public override string OutputVariableName {
-      get {
-        return "MSE";
-      }
-    }
-    public override double Evaluate(double[,] values) {
-      try {
-        return Calculate(values);
-      }
-      catch (ArgumentException) {
-        return double.PositiveInfinity;
-      }
+    public SimpleMSEEvaluator()
+      : base() {
+      QualityParameter.ActualName = "MeanSquaredError";
     }
 
-    public static double Calculate(double[,] values) {
+    protected override double Apply(DoubleMatrix values) {
+      return Calculate(values);
+    }
+
+    public static double Calculate(DoubleMatrix values) {
       double sse = 0;
       double cnt = 0;
-      for (int i = 0; i < values.GetLength(0); i++) {
+      for (int i = 0; i < values.Rows; i++) {
         double estimated = values[i, ESTIMATION_INDEX];
         double target = values[i, ORIGINAL_INDEX];