Function XGDMatrixCreateFromMat_R

R-package/src/xgboost_R.cc:385–403

}

XGB_DLL SEXP XGDMatrixCreateFromMat_R(SEXP mat, SEXP missing, SEXP n_threads) {
  SEXP ret = Rf_protect(R_MakeExternalPtr(nullptr, R_NilValue, R_NilValue));
  R_API_BEGIN();

  DMatrixHandle handle;
  int res_code;
  {
    auto array_str = MakeArrayInterfaceFromRMat(mat);
    auto config_str = MakeJsonConfigForArray(missing, n_threads, TYPEOF(mat));

    res_code = XGDMatrixCreateFromDense(array_str.c_str(), config_str.c_str(), &handle);
  }
  CHECK_CALL(res_code);
  R_SetExternalPtrAddr(ret, handle);
  R_RegisterCFinalizerEx(ret, _DMatrixFinalizer, TRUE);
  R_API_END();
  Rf_unprotect(1);
  return ret;
}

XGB_DLL SEXP XGDMatrixCreateFromDF_R(SEXP df, SEXP missing, SEXP n_threads) {
  SEXP ret = Rf_protect(R_MakeExternalPtr(nullptr, R_NilValue, R_NilValue));