Maintainer: ‘Tingni Sun <tingni@wharton.upenn.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Tingni",
                    family = "Sun",
                    role = c("aut", "cre"),
                    email = "tingni@wharton.upenn.edu")
as necessary.
Maintainer: ‘Tingni Sun <tingni@wharton.upenn.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Tingni",
                    family = "Sun",
                    role = c("aut", "cre"),
                    email = "tingni@wharton.upenn.edu")
as necessary.