Maintainer: ‘Xiang Lyu <lyu17@purdue.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Hanfang",
                      family = "Yang",
                      role = "aut"),
               person(given = "Kun",
                      family = "Lu",
                      role = "aut"),
               person(given = "Xiang",
                      family = "Lyu",
                      role = c("aut", "cre"),
                      email = "lyu17@purdue.edu"),
               person(given = "Feifang",
                      family = "Hu",
                      role = "aut"),
               person(given = "Yichuan",
                      family = "Zhao",
                      role = "aut"))
as necessary.
Maintainer: ‘Xiang Lyu <lyu17@purdue.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Hanfang",
                      family = "Yang",
                      role = "aut"),
               person(given = "Kun",
                      family = "Lu",
                      role = "aut"),
               person(given = "Xiang",
                      family = "Lyu",
                      role = c("aut", "cre"),
                      email = "lyu17@purdue.edu"),
               person(given = "Feifang",
                      family = "Hu",
                      role = "aut"),
               person(given = "Yichuan",
                      family = "Zhao",
                      role = "aut"))
as necessary.