Last change
on this file since 12614 was
12612,
checked in by gkronber, 9 years ago
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#2415: added StorableClass attribute to transformation functions (+code improvements)
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File size:
1.8 KB
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Rev | Line | |
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[10780] | 1 | using System;
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| 2 | using System.Collections.Generic;
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[12612] | 3 | using System.Linq;
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[10780] | 4 | using HeuristicLab.Common;
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| 5 | using HeuristicLab.Core;
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| 6 | using HeuristicLab.Data;
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| 7 | using HeuristicLab.Parameters;
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| 8 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 9 |
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[11068] | 10 | namespace HeuristicLab.Problems.DataAnalysis {
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[12612] | 11 | [StorableClass]
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[10909] | 12 | [Item("Exponential Transformation", "f(x) = b ^ x | Represents a exponential transformation.")]
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[10780] | 13 | public class ExponentialTransformation : Transformation<double> {
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| 14 | protected const string BaseParameterName = "Base";
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| 15 |
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| 16 | #region Parameters
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| 17 | public IValueParameter<DoubleValue> BaseParameter {
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| 18 | get { return (IValueParameter<DoubleValue>)Parameters[BaseParameterName]; }
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| 19 | }
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| 20 | #endregion
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| 21 |
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| 22 | #region properties
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[10932] | 23 | public override string ShortName {
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| 24 | get { return "Exp"; }
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| 25 | }
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[10780] | 26 | public double Base {
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| 27 | get { return BaseParameter.Value.Value; }
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| 28 | }
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| 29 | #endregion
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| 30 |
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| 31 | [StorableConstructor]
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| 32 | protected ExponentialTransformation(bool deserializing) : base(deserializing) { }
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[11114] | 33 |
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| 34 | protected ExponentialTransformation(ExponentialTransformation original, Cloner cloner)
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[10780] | 35 | : base(original, cloner) {
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| 36 | }
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[11114] | 37 |
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[10780] | 38 | public ExponentialTransformation(IEnumerable<string> allowedColumns)
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| 39 | : base(allowedColumns) {
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[10808] | 40 | Parameters.Add(new ValueParameter<DoubleValue>(BaseParameterName, "b | Base of exp-function", new DoubleValue(Math.E)));
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[10780] | 41 | }
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| 42 |
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| 43 | public override IDeepCloneable Clone(Cloner cloner) {
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| 44 | return new ExponentialTransformation(this, cloner);
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| 45 | }
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| 46 |
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| 47 | public override IEnumerable<double> Apply(IEnumerable<double> data) {
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[12612] | 48 | return data.Select(d => Math.Pow(Base, d));
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[10780] | 49 | }
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| 50 |
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| 51 | public override bool Check(IEnumerable<double> data, out string errorMsg) {
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| 52 | errorMsg = "";
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| 53 | return true;
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| 54 | }
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| 55 | }
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| 56 | }
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