Package check result: NOTE

Check: CRAN incoming feasibility, Result: Note_to_CRAN_maintainers
  Maintainer: ‘Frank E Harrell Jr <fh@fharrell.com>’

Check: examples, Result: NOTE
  Examples with CPU (user + system) or elapsed time > 5s
          user system elapsed
  rexVar 5.824  0.084   5.915

No changes to worse in reverse depends.