Local.h

#ifndef _theplu_yat_regression_local_
#define _theplu_yat_regression_local_

// $Id: Local.h 2564 2011-09-25 20:03:41Z peter $

/*
  Copyright (C) 2004 Peter Johansson
  Copyright (C) 2005, 2006, 2007, 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009, 2010, 2011 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library 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.

  The yat library 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 yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include "yat/utility/Vector.h"

#include <iosfwd>

namespace theplu {
namespace yat {
namespace regression {

  class Kernel;
  class OneDimensionalWeighted;

  class Local
  {
  
  public:
    Local(OneDimensionalWeighted& r, Kernel& k);

    virtual ~Local(void);

    void add(const double x, const double y);

    void fit(const size_t step_size, const size_t nof_points);

    void reset(void);

    const utility::Vector& x(void) const;

    const utility::Vector& y_predicted(void) const;

    const utility::Vector& y_err(void) const;

  private:
    Local(const Local&);

    std::vector<std::pair<double, double> > data_;
    Kernel* kernel_;
    OneDimensionalWeighted* regressor_;
    utility::Vector x_;
    utility::Vector y_predicted_; 
    utility::Vector y_err_; 
  };

  std::ostream& operator<<(std::ostream&, const Local& );

}}} // of namespaces regression, yat, and theplu

#endif