Update for 'oem'

Test environments

Mac OSX (R 4.3.2)
- using platform: x86_64-apple-darwin20 (64-bit)
using R Under development (unstable) (2024-07-24 r86924)
- using platform: x86_64-pc-linux-gnu
- R was compiled by gcc (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7) GNU Fortran (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7)
- running under: Fedora Linux 38 (Container Image)
using R Under development (unstable) (2024-07-23 r86915)
- using platform: aarch64-apple-darwin20
- R was compiled by Apple clang version 14.0.0 (clang-1400.0.29.202) GNU Fortran (GCC) 12.2.0
- running under: macOS Sonoma 14.5
using R Under development (unstable) (2024-07-24 r86924 ucrt)
- using platform: x86_64-w64-mingw32
- R was compiled by gcc.exe (GCC) 13.2.0 GNU Fortran (GCC) 13.2.0
- running under: Windows Server 2022 x64 (build 20348)
using R Under development (unstable) (2024-07-24 r86924)
- using platform: x86_64-pc-linux-gnu
- R was compiled by gcc (Ubuntu 11.4.0-1ubuntu1~~22.04) 11.4.0 GNU Fortran (Ubuntu 11.4.0-1ubuntu1~~22.04) 11.4.0
- running under: Ubuntu 22.04.4 LTS

-- R CMD check results ------------------------------------------

0 errors | 0 warnings | 0 notes

R CMD check succeeded