source: branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.Instances.Regression/3.4/TrentMcConaghy/TrentMcConaghyInstanceProvider.cs @ 7666

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using ICSharpCode.SharpZipLib.Zip;

namespace HeuristicLab.Problems.Instances.Regression {
  public class TrentMcConaghyInstanceProvider : ResourceRegressionInstanceProvider {
    public override string Name {
      get { return "Trent McConaghy Benchmark Problems"; }
    }
    public override string Description {
      get {
        return "Paper: Deterministic Symbolic Regression Technology, Genetic Programming Theory and Practice IX" + Environment.NewLine
          + "High-Dimensional Statistical Modeling and Analysis of Custom Integrated Circuits" + Environment.NewLine
          + "Authors: T. McConaghy" + Environment.NewLine
          + "Website: http://trent.st/ffx/";
      }
    }
    public override Uri WebLink {
      get { return new Uri("http://trent.st/ffx/"); }
    }
    public override string ReferencePublication {
      get { return ""; }
    }

    protected override string FileExtension { get { return "TrentMcConaghy"; } }

    public override IEnumerable<IDataDescriptor> GetDataDescriptors() {
      var solutionsArchiveName = GetResourceName(FileExtension + @"\.zip");
      if (!String.IsNullOrEmpty(solutionsArchiveName)) {
        using (var solutionsZipFile = new ZipInputStream(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName))) {
          foreach (var entry in GetZipContents(solutionsZipFile).OrderBy(x => x))
            yield return new ResourceRegressionDataDescriptor(Path.GetFileNameWithoutExtension(entry), Description, entry);
        }
      }
    }

    public override RegressionData LoadData(IDataDescriptor id) {
      RegressionData regData = base.LoadData(id);

      regData.TargetVariable = regData.InputVariables.First();
      regData.AllowedInputVariables = regData.InputVariables.Where(x => !x.Equals(regData.TargetVariable));

      return regData;
    }

    protected IEnumerable<string> GetZipContents(ZipInputStream zipFile) {
      ZipEntry entry;
      while ((entry = zipFile.GetNextEntry()) != null) {
        yield return entry.Name;
      }
    }
  }
}