Test environments macos-latest, r: 'release' windows-latest, r: 'release' ubuntu-latest, r: 'devel', http-user-agent: 'release' ubuntu-latest, r: 'release' ubuntu-latest, r: 'oldrel-1' R CMD check results 0 errors ✓ | 0 warnings ✓ | 0 notes ✓ R CMD check succeeded