source: branches/peters_vector/lib/classifier/InputRanker.h @ 469

// $Id: InputRanker.h 469 2005-12-19 14:58:29Z peter $

#ifndef _theplu_classifier_inputranker_ 
#define _theplu_classifier_inputranker_ 

#include <vector>

namespace theplu {
namespace gslapi {
  class matrix;
  class vector;
}
namespace statistics {
  class Score;
}
namespace classifier {  

  class DataView;
  class Target;

  ///
  /// Class for ranking rows in a matrix, using a Score and a
  /// target vector.
  ///   
  class InputRanker
  {

  public:
    ///
    /// Constructor taking data, target, a Score
    /// object and vector defining what samples to use (default is to
    /// use all samples)
    ///
    InputRanker(const DataView&, const Target&, statistics::Score&); 


    ///
    /// Constructor taking data, target, weight, pointer to a Score
    /// object and vector defining what samples to use (default is to
    /// use all samples)
    ///
    InputRanker(const DataView&, const Target&, statistics::Score&, 
                const DataView&); 


    ///
    /// highest ranked gene is ranked as number zero @return id
    /// (index) of input ranked as number \a i
    ///
    inline size_t id(const size_t i) const {return id_[i];}

    ///
    /// highest ranked gene is ranked as number zero @return rank for
    /// id (column) \a i
    ///
    inline size_t rank(const size_t i) const {return rank_[i];}


  private:
    std::vector<size_t> train_set_;
    std::vector<size_t> id_;
    std::vector<size_t> rank_;
  };


}} // of namespace classifier and namespace theplu

#endif