Maintainer: ‘Jean-Sebastien Pierre <jean-sebastien.pierre@univ-rennes1.fr>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Jean-Sebastien",
                    family = "Pierre",
                    role = c("aut", "cre"),
                    email = "jean-sebastien.pierre@univ-rennes1.fr")
as necessary.

The URL field contains the following bad parts:
  none
The URL field should be a list of URLs separated by commas or
whitespace.
Maintainer: ‘Jean-Sebastien Pierre <jean-sebastien.pierre@univ-rennes1.fr>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Jean-Sebastien",
                    family = "Pierre",
                    role = c("aut", "cre"),
                    email = "jean-sebastien.pierre@univ-rennes1.fr")
as necessary.

The URL field contains the following bad parts:
  none
The URL field should be a list of URLs separated by commas or
whitespace.