PndStdKnnClassify.h

Go to the documentation of this file.

/* ***************************************
 * KNN based classifier.                 *
 * Author: M.Babai@rug.nl                *
 * Edited: E.A.Dijck@student.rug.nl      *
 * Version:                              *
 * license:                              *
 * ***************************************
 */
/*
 * Based on the straight KNN algorithm
 * Using a linear search data structure.
 */
//#pragma once
#ifndef PND_STD_KNN_CLASSIFY_H
#define PND_STD_KNN_CLASSIFY_H

// Local includes
#include "PndMvaClassifier.h"

/*
 * KNN based classification alg. implementation.
 */
class PndStdKnnClassify : public PndMvaClassifier 
{
 public:
  explicit PndStdKnnClassify(std::string const& inputFile,
                             std::vector<std::string> const& classNames, 
                             std::vector<std::string> const& varNames);

  virtual ~PndStdKnnClassify();

  void GetMvaValues(std::vector<float> eventData,
                    std::map<std::string,float>& result);
  std::string* Classify(std::vector<float> EvtData);

  inline void SetKNN( unsigned int const nNeighbours );

  inline unsigned int GetKnn() const;

  void Initialize();
  
 private:
  PndStdKnnClassify(const PndStdKnnClassify& other);
  PndStdKnnClassify& operator=(const PndStdKnnClassify& other);
  
  unsigned int m_Knn;
  
  std::vector<PndMvaDistObj> m_distances;
};//End interface.
// ____________________________ Inlines ________________
inline unsigned int PndStdKnnClassify::GetKnn() const
{
  return m_Knn;
};

inline void PndStdKnnClassify::SetKNN( unsigned int const nNeighbours )
{
  m_Knn = nNeighbours;
};
#endif