[5620] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16640] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[5620] | 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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[16628] | 25 | using HEAL.Attic;
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[16640] | 26 | using HEAL.Attic;
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[5620] | 27 |
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| 28 | namespace HeuristicLab.Problems.DataAnalysis {
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| 29 | /// <summary>
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[6184] | 30 | /// Represents a classification data analysis solution
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[5620] | 31 | /// </summary>
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[16640] | 32 | [StorableType("A240D831-23D6-4432-A105-12D02D2EA75A")]
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[12485] | 33 | public class ClassificationSolution : ClassificationSolutionBase {
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[6606] | 34 | protected readonly Dictionary<int, double> evaluationCache;
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| 35 |
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[5620] | 36 | [StorableConstructor]
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[16628] | 37 | protected ClassificationSolution(StorableConstructorFlag _) : base(_) {
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[6606] | 38 | evaluationCache = new Dictionary<int, double>();
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| 39 | }
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[5620] | 40 | protected ClassificationSolution(ClassificationSolution original, Cloner cloner)
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| 41 | : base(original, cloner) {
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[6606] | 42 | evaluationCache = new Dictionary<int, double>(original.evaluationCache);
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[5620] | 43 | }
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[5624] | 44 | public ClassificationSolution(IClassificationModel model, IClassificationProblemData problemData)
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| 45 | : base(model, problemData) {
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[8174] | 46 | evaluationCache = new Dictionary<int, double>(problemData.Dataset.Rows);
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[8723] | 47 | CalculateClassificationResults();
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[5717] | 48 | }
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| 49 |
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[12485] | 50 | public override IDeepCloneable Clone(Cloner cloner) {
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| 51 | return new ClassificationSolution(this, cloner);
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| 52 | }
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| 53 |
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[6589] | 54 | public override IEnumerable<double> EstimatedClassValues {
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| 55 | get { return GetEstimatedClassValues(Enumerable.Range(0, ProblemData.Dataset.Rows)); }
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[6184] | 56 | }
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[6589] | 57 | public override IEnumerable<double> EstimatedTrainingClassValues {
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[8139] | 58 | get { return GetEstimatedClassValues(ProblemData.TrainingIndices); }
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[5717] | 59 | }
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[6589] | 60 | public override IEnumerable<double> EstimatedTestClassValues {
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[8139] | 61 | get { return GetEstimatedClassValues(ProblemData.TestIndices); }
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[5620] | 62 | }
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| 63 |
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[6589] | 64 | public override IEnumerable<double> GetEstimatedClassValues(IEnumerable<int> rows) {
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[6606] | 65 | var rowsToEvaluate = rows.Except(evaluationCache.Keys);
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| 66 | var rowsEnumerator = rowsToEvaluate.GetEnumerator();
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| 67 | var valuesEnumerator = Model.GetEstimatedClassValues(ProblemData.Dataset, rowsToEvaluate).GetEnumerator();
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| 68 |
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| 69 | while (rowsEnumerator.MoveNext() & valuesEnumerator.MoveNext()) {
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| 70 | evaluationCache.Add(rowsEnumerator.Current, valuesEnumerator.Current);
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| 71 | }
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| 72 |
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| 73 | return rows.Select(row => evaluationCache[row]);
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[5620] | 74 | }
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[6606] | 75 |
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| 76 | protected override void OnProblemDataChanged() {
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| 77 | evaluationCache.Clear();
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| 78 | base.OnProblemDataChanged();
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| 79 | }
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| 80 |
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| 81 | protected override void OnModelChanged() {
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| 82 | evaluationCache.Clear();
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| 83 | base.OnModelChanged();
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| 84 | }
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[5620] | 85 | }
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| 86 | }
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