1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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 HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Operators;
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25 | using HeuristicLab.Random;
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26 | using HeuristicLab.Data;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 | using HeuristicLab.Parameters;
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29 | namespace HeuristicLab.Problems.DataAnalysis.Regression.Symbolic.Symbols {
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30 | [StorableClass]
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31 | [Item("Variable", "Represents a variable value.")]
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32 | public sealed class Variable : Symbol {
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33 | #region Parameter Properties
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34 | public IValueParameter<DoubleValue> WeightNuParameter {
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35 | get { return (IValueParameter<DoubleValue>)Parameters["WeightNu"]; }
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36 | }
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37 | public IValueParameter<DoubleValue> WeightSigmaParameter {
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38 | get { return (IValueParameter<DoubleValue>)Parameters["WeightSigma"]; }
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39 | }
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40 | public IValueParameter<ItemList<StringValue>> VariableNamesParameter {
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41 | get { return (IValueParameter<ItemList<StringValue>>)Parameters["VariableNames"]; }
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42 | }
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43 | #endregion
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44 | #region Properties
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45 | public DoubleValue WeightNu {
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46 | get { return WeightNuParameter.Value; }
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47 | set { WeightNuParameter.Value = value; }
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48 | }
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49 | public DoubleValue WeightSigma {
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50 | get { return WeightSigmaParameter.Value; }
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51 | set { WeightSigmaParameter.Value = value; }
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52 | }
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53 | public ItemList<StringValue> VariableNames {
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54 | get { return VariableNamesParameter.Value; }
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55 | set { VariableNamesParameter.Value = value; }
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56 | }
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57 | #endregion
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58 | public Variable()
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59 | : base() {
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60 | Parameters.Add(new ValueParameter<DoubleValue>("WeightNu", "The mean value for the initialization of weight ((N(nu, sigma)).", new DoubleValue(1.0)));
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61 | Parameters.Add(new ValueParameter<DoubleValue>("WeightSigma", "The sigma value for the initialization of weight (N(nu, sigma))", new DoubleValue(1.0)));
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62 | Parameters.Add(new ValueParameter<ItemList<StringValue>>("VariableNames", "The list of possible variable names for initialization."));
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63 | }
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64 |
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65 | public override SymbolicExpressionTreeNode CreateTreeNode() {
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66 | return new VariableTreeNode(this);
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67 | }
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68 | }
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69 | }
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