[5620] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[7259] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[5620] | 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 |
|
---|
| 22 | using System.Collections.Generic;
|
---|
| 23 | using System.Linq;
|
---|
| 24 | using HeuristicLab.Common;
|
---|
| 25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
| 26 |
|
---|
| 27 | namespace HeuristicLab.Problems.DataAnalysis {
|
---|
| 28 | /// <summary>
|
---|
[6184] | 29 | /// Represents a regression data analysis solution
|
---|
[5620] | 30 | /// </summary>
|
---|
| 31 | [StorableClass]
|
---|
[6588] | 32 | public abstract class RegressionSolution : RegressionSolutionBase {
|
---|
[6606] | 33 | protected readonly Dictionary<int, double> evaluationCache;
|
---|
| 34 |
|
---|
[5620] | 35 | [StorableConstructor]
|
---|
[6606] | 36 | protected RegressionSolution(bool deserializing)
|
---|
| 37 | : base(deserializing) {
|
---|
| 38 | evaluationCache = new Dictionary<int, double>();
|
---|
| 39 | }
|
---|
[5620] | 40 | protected RegressionSolution(RegressionSolution original, Cloner cloner)
|
---|
| 41 | : base(original, cloner) {
|
---|
[6606] | 42 | evaluationCache = new Dictionary<int, double>(original.evaluationCache);
|
---|
[5620] | 43 | }
|
---|
[6588] | 44 | protected RegressionSolution(IRegressionModel model, IRegressionProblemData problemData)
|
---|
[5624] | 45 | : base(model, problemData) {
|
---|
[7735] | 46 | evaluationCache = new Dictionary<int, double>(problemData.Dataset.Rows);
|
---|
[5717] | 47 | }
|
---|
| 48 |
|
---|
[6602] | 49 | protected override void RecalculateResults() {
|
---|
| 50 | CalculateResults();
|
---|
| 51 | }
|
---|
| 52 |
|
---|
[6588] | 53 | public override IEnumerable<double> EstimatedValues {
|
---|
| 54 | get { return GetEstimatedValues(Enumerable.Range(0, ProblemData.Dataset.Rows)); }
|
---|
[6184] | 55 | }
|
---|
[6588] | 56 | public override IEnumerable<double> EstimatedTrainingValues {
|
---|
[8331] | 57 | get { return GetEstimatedValues(ProblemData.TrainingIndices); }
|
---|
[5717] | 58 | }
|
---|
[6588] | 59 | public override IEnumerable<double> EstimatedTestValues {
|
---|
[8331] | 60 | get { return GetEstimatedValues(ProblemData.TestIndices); }
|
---|
[5620] | 61 | }
|
---|
| 62 |
|
---|
[6588] | 63 | public override IEnumerable<double> GetEstimatedValues(IEnumerable<int> rows) {
|
---|
[6606] | 64 | var rowsToEvaluate = rows.Except(evaluationCache.Keys);
|
---|
| 65 | var rowsEnumerator = rowsToEvaluate.GetEnumerator();
|
---|
| 66 | var valuesEnumerator = Model.GetEstimatedValues(ProblemData.Dataset, rowsToEvaluate).GetEnumerator();
|
---|
| 67 |
|
---|
| 68 | while (rowsEnumerator.MoveNext() & valuesEnumerator.MoveNext()) {
|
---|
| 69 | evaluationCache.Add(rowsEnumerator.Current, valuesEnumerator.Current);
|
---|
| 70 | }
|
---|
| 71 |
|
---|
| 72 | return rows.Select(row => evaluationCache[row]);
|
---|
[5620] | 73 | }
|
---|
[6606] | 74 |
|
---|
| 75 | protected override void OnProblemDataChanged() {
|
---|
| 76 | evaluationCache.Clear();
|
---|
| 77 | base.OnProblemDataChanged();
|
---|
| 78 | }
|
---|
| 79 |
|
---|
| 80 | protected override void OnModelChanged() {
|
---|
| 81 | evaluationCache.Clear();
|
---|
| 82 | base.OnModelChanged();
|
---|
| 83 | }
|
---|
[5620] | 84 | }
|
---|
| 85 | }
|
---|