xgboost_sys

Function XGDMatrixSaveBinary

Source 
pub unsafe extern "C" fn XGDMatrixSaveBinary(
    handle: DMatrixHandle,
    fname: *const c_char,
    silent: c_int,
) -> c_int
Expand description

\brief load a data matrix into binary file \param handle a instance of data matrix \param fname file name \param silent print statistics when saving \return 0 when success, -1 when failure happens