source: trunk/src/RegressionLocal.h @ 216

// $Id: RegressionLocal.h 216 2004-12-29 09:29:54Z peter $

#ifndef _theplu_statistics_regression_local_
#define _theplu_statistics_regression_local_

// C++ tools include
/////////////////////
#include "Regression.h"
#include "RegressionKernel.h"
#include "vector.h"

// Standard C++ includes
////////////////////////


namespace theplu {
namespace statistics {  
  
  
  ///
  /// Class for Locally-weighted regression.   
  ///
  
  class RegressionLocal 
  {
  
  public:
    ///
    /// Default Constructor.
    ///
    RegressionLocal(void);

    ///
    /// Constructor loading the object with data, type of regressor
    /// and type kernel.
    ///
    RegressionLocal(const gslapi::vector& x, const gslapi::vector& y,
                    Regression& r, RegressionKernel& k, 
                    const gslapi::vector&);

    ///
    /// Copy Constructor. (Not implemented)
    ///
    RegressionLocal(const RegressionLocal&);

    ///
    /// Destructor 
    ///
    virtual ~RegressionLocal(void) {};

    inline gslapi::vector estimated_x(void) const { return estimated_x_; }
    inline gslapi::vector estimated_y(void) const { return estimated_y_; }
    inline gslapi::vector estimated_y_err(void) const {return estimated_y_err_;}
  
    ///
    /// Function
    ///
    void fit(const double fraction);
         
  private:
    std::vector<std::pair<double, double> > data_;
    gslapi::vector data_y_;
    RegressionKernel* kernel_;
    Regression* regression_;
    gslapi::vector estimated_x_;
    gslapi::vector estimated_y_;
    gslapi::vector estimated_y_err_;
    
    
  };

  ///
  /// The output operator for Local Regression Class.
  ///
  std::ostream& operator<< (std::ostream& s, const RegressionLocal&);

}} // of namespace statistics and namespace theplu

#endif