source: stable/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Regression/ConstantRegressionModel.cs @ 12702

Last change on this file since 12702 was 12702, checked in by mkommend, 7 years ago

#2276: Merged changes to stable.

File size: 2.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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 System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.DataAnalysis {
29  [StorableClass]
30  [Item("Constant Regression Model", "A model that always returns the same constant value regardless of the presented input data.")]
31  public class ConstantRegressionModel : NamedItem, IRegressionModel {
32    [Storable]
33    protected double constant;
34    public double Constant {
35      get { return constant; }
36    }
37
38    [StorableConstructor]
39    protected ConstantRegressionModel(bool deserializing) : base(deserializing) { }
40    protected ConstantRegressionModel(ConstantRegressionModel original, Cloner cloner)
41      : base(original, cloner) {
42      this.constant = original.constant;
43    }
44    public override IDeepCloneable Clone(Cloner cloner) { return new ConstantRegressionModel(this, cloner); }
45
46    public ConstantRegressionModel(double constant)
47      : base() {
48      this.name = ItemName;
49      this.description = ItemDescription;
50      this.constant = constant;
51    }
52
53    public IEnumerable<double> GetEstimatedValues(IDataset dataset, IEnumerable<int> rows) {
54      return rows.Select(row => Constant);
55    }
56
57    public IRegressionSolution CreateRegressionSolution(IRegressionProblemData problemData) {
58      return new ConstantRegressionSolution(this, new RegressionProblemData(problemData));
59    }
60  }
61}
Note: See TracBrowser for help on using the repository browser.