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source: branches/LearningClassifierSystems/HeuristicLab.Encodings.DecisionList/3.3/Creators/UniformRandomDecisionListCreator.cs @ 9352

Last change on this file since 9352 was 9352, checked in by sforsten, 11 years ago

#1980:

  • added DecisionListView
  • added event handlers in *ProblemData
  • renamed project Problems.XCS.Views to Problems.lCS.Views and Problems.Instances.ConditionActionClassification to Problems.Instances.LCS
  • integrated niching in GAssist and added NichingTournamentSelector
  • minor code improvements and property changes
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Collections.Generic;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Optimization.Operators.LCS;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Encodings.DecisionList {
29  [Item("UniformRandomDecisionListCreator", "Description missing")]
30  [StorableClass]
31  public class UniformRandomDecisionListCreator : DecisionListCreator {
32
33    [StorableConstructor]
34    protected UniformRandomDecisionListCreator(bool deserializing) : base(deserializing) { }
35    protected UniformRandomDecisionListCreator(UniformRandomDecisionListCreator original, Cloner cloner)
36      : base(original, cloner) {
37    }
38    public UniformRandomDecisionListCreator()
39      : base() {
40    }
41    public override IDeepCloneable Clone(Cloner cloner) {
42      return new UniformRandomDecisionListCreator(this, cloner);
43    }
44
45    protected override DecisionList Create(IRandom random, Rule sampleRule, int initialNumberOfRules, double oneProbability, ItemCollection<IDiscretizer> discretizers) {
46      List<Rule> rules = new List<Rule>();
47      for (int i = 0; i < initialNumberOfRules; i++) {
48        var newRule = (Rule)sampleRule.Clone();
49        newRule.Randomize(random, oneProbability, discretizers);
50        rules.Add(newRule);
51      }
52
53      return new DecisionList(rules);
54    }
55  }
56}
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