Trivial.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
#ifndef INCLUDE_GUARD_BELLE2_MVA_TRIVIAL_HEADER
#define INCLUDE_GUARD_BELLE2_MVA_TRIVIAL_HEADER
 
#include <mva/interface/Options.h>
#include <mva/interface/Teacher.h>
#include <mva/interface/Expert.h>
 
namespace Belle2 {
  namespace MVA {
 
    class TrivialOptions : public SpecificOptions {
 
    public:
      virtual void load(const boost::property_tree::ptree& pt) override;
 
      virtual void save(boost::property_tree::ptree& pt) const override;
 
      virtual po::options_description getDescription() override;
 
      virtual std::string getMethod() const override { return "Trivial"; }
 
      double m_output = 0.5; 
      std::vector<double> m_multiple_output = {}; 
      bool m_passthrough = false; 
    };
 
    class TrivialTeacher : public Teacher {
 
    public:
      TrivialTeacher(const GeneralOptions& general_options, const TrivialOptions& specific_options);
 
      virtual Weightfile train(Dataset& training_data) const override;
 
    private:
      TrivialOptions m_specific_options; 
    };
 
    class TrivialExpert : public MVA::Expert {
 
    public:
      virtual void load(Weightfile& weightfile) override;
 
      virtual std::vector<float> apply(Dataset& test_data) const override;
 
      virtual std::vector<std::vector<float>> applyMulticlass(Dataset& test_data) const override;
 
    private:
      TrivialOptions m_specific_options; 
    };
 
  }
}
#endif