Method CreateBoosting

src/boosting/boosting.cpp:35–68

}

Boosting* Boosting::CreateBoosting(const std::string& type, const char* filename) {
  if (filename == nullptr || filename[0] == '\0') {
    if (type == std::string("gbdt")) {
      return new GBDT();
    } else if (type == std::string("dart")) {
      return new DART();
    } else if (type == std::string("goss")) {
      return new GOSS();
    } else if (type == std::string("rf")) {
      return new RF();
    } else {
      return nullptr;
    }
  } else {
    std::unique_ptr<Boosting> ret;
    if (GetBoostingTypeFromModelFile(filename) == std::string("tree")) {
      if (type == std::string("gbdt")) {
        ret.reset(new GBDT());
      } else if (type == std::string("dart")) {
        ret.reset(new DART());
      } else if (type == std::string("goss")) {
        ret.reset(new GOSS());
      } else if (type == std::string("rf")) {
        return new RF();
      } else {
        Log::Fatal("Unknown boosting type %s", type.c_str());
      }
      LoadFileToBoosting(ret.get(), filename);
    } else {
      Log::Fatal("Unknown model format or submodel type in model file %s", filename);
    }
    return ret.release();
  }
}

bool TrainOneIter_new(const score_t* gradients, const score_t* hessians,const score_t* gradients2, const score_t* hessians2){
   return 0;