[7043] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11171] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[7043] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System.Collections.Generic;
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| 23 | using System.Linq;
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| 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 27 |
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| 28 | namespace HeuristicLab.Problems.DataAnalysis {
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[9120] | 29 | [StorableClass]
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[7043] | 30 | [Item("Constant Regression Model", "A model that always returns the same constant value regardless of the presented input data.")]
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| 31 | public class ConstantRegressionModel : NamedItem, IRegressionModel {
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| 32 | [Storable]
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[8798] | 33 | protected double constant;
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[7043] | 34 | public double Constant {
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| 35 | get { return constant; }
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| 36 | }
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| 37 |
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| 38 | [StorableConstructor]
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| 39 | protected ConstantRegressionModel(bool deserializing) : base(deserializing) { }
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| 40 | protected ConstantRegressionModel(ConstantRegressionModel original, Cloner cloner)
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| 41 | : base(original, cloner) {
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| 42 | this.constant = original.constant;
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| 43 | }
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| 44 | public override IDeepCloneable Clone(Cloner cloner) { return new ConstantRegressionModel(this, cloner); }
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| 45 |
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| 46 | public ConstantRegressionModel(double constant)
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| 47 | : base() {
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| 48 | this.name = ItemName;
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| 49 | this.description = ItemDescription;
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| 50 | this.constant = constant;
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| 51 | }
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| 52 |
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| 53 | public IEnumerable<double> GetEstimatedValues(Dataset dataset, IEnumerable<int> rows) {
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| 54 | return rows.Select(row => Constant);
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| 55 | }
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| 56 |
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| 57 | public IRegressionSolution CreateRegressionSolution(IRegressionProblemData problemData) {
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[8528] | 58 | return new ConstantRegressionSolution(this, new RegressionProblemData(problemData));
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[7043] | 59 | }
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| 60 | }
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| 61 | }
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