dtrain/test/logreg/log_reg.h


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#ifndef _LOG_REG_H_
#define _LOG_REG_H_

#include <vector>
#include "sparse_vector.h"
#include "bin_class.h"

struct LogisticRegression : public Objective {
  double ObjectiveAndGradient(const SparseVector<double>& x,
                              const std::vector<TrainingInstance>& training_instances,
                              SparseVector<double>* g) const;
};

#endif