source: trunk/lib/statistics/WilcoxonFoldChange.h @ 461

// $Id: WilcoxonFoldChange.h 461 2005-12-16 15:34:37Z peter $

#ifndef _theplu_statistics_wilcoxonfoldchange_
#define _theplu_statistics_wilcoxonfoldchange_

#include "Score.h"

namespace theplu {
namespace statistics {

  ///
  /// @brief WilcoxonFoldChange 
  ///
  class WilcoxonFoldChange : public Score
  {
  public:

    /// 
    /// @brief Default Constructor 
    /// 
    WilcoxonFoldChange(bool absolute=true);

    ///
    /// @return difference of the means of the two classes
    ///
    /// @param target is +1 or -1 
    /// @param value vector of the values
    /// @train_set defining which values to use (number of values used
    /// in the calculation is equal to size of \a train_set)
    /// 
    double 
    score(const gslapi::vector& target, 
          const gslapi::vector& value,
          const std::vector<size_t>& train_set = std::vector<size_t>()); 
 
    ///
    /// @return difference of the weighted means of the two classes
    ///
    /// @param target is +1 or -1 
    /// @param value vector of the values
    /// @param weight vector of accompanied weight to the values
    /// @train_set defining which values to use (number of values used
    /// in the calculation is equal to size of \a train_set)
    /// 
    double 
    score(const gslapi::vector& target, 
          const gslapi::vector& value,
          const gslapi::vector& weight,
          const std::vector<size_t>& train_set = std::vector<size_t>()); 
 
  private:

    /// 
    /// @brief Copy Constructor 
    /// 
    WilcoxonFoldChange(const WilcoxonFoldChange&);

    ///
    /// @brief Assignment operator
    ///
    WilcoxonFoldChange& operator=(const WilcoxonFoldChange&);

  };

} // of namespace statistics
} // of namespace theplu

#endif