/data/refman/pasoursint/CMSSW_4_1_8_patch13/src/PhysicsTools/MVATrainer/interface/TreeTrainer.h

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#ifndef PhysicsTools_MVATrainer_TreeTrainer_h
#define PhysicsTools_MVATrainer_TreeTrainer_h

#include <string>
#include <vector>
#include <map>

#include <TTree.h>

#include "PhysicsTools/MVAComputer/interface/Calibration.h"
#include "PhysicsTools/MVAComputer/interface/MVAComputer.h"
#include "PhysicsTools/MVAComputer/interface/TreeReader.h"

#include "PhysicsTools/MVATrainer/interface/MVATrainer.h"

namespace PhysicsTools {

class TreeTrainer {
    public:
        TreeTrainer();
        TreeTrainer(TTree *tree, double weight = -1.0);
        TreeTrainer(TTree *signal, TTree *background, double weight = -1.0);
        ~TreeTrainer();

        Calibration::MVAComputer *train(const std::string &trainDescription,
                                        double crossValidation = 0.0,
                                        bool useXSLT = false);

        // more precise control

        void reset();

        void addTree(TTree *tree, int target = -1, double weight = -1.0);
        void addReader(const TreeReader &reader);

        bool iteration(MVATrainer *trainer);
        void train(MVATrainer *trainer);

    private:
        std::vector<TreeReader> readers;

        std::vector<double*>    weights;
};

} // namespace PhysicsTools

#endif // PhysicsTools_MVATrainer_TreeTrainer_h