Maintainer: ‘Canhong Wen <wencanhong@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Canhong",
                      family = "Wen",
                      role = c("aut", "cre"),
                      email = "wencanhong@gmail.com"),
               person(given = "Xueqin",
                      family = "Wang",
                      role = "aut"),
               person(given = "Yanhe",
                      family = "Shen",
                      role = "aut"),
               person(given = "Aijun",
                      family = "Zhang",
                      role = "aut"))
as necessary.
Maintainer: ‘Canhong Wen <wencanhong@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Canhong",
                      family = "Wen",
                      role = c("aut", "cre"),
                      email = "wencanhong@gmail.com"),
               person(given = "Xueqin",
                      family = "Wang",
                      role = "aut"),
               person(given = "Yanhe",
                      family = "Shen",
                      role = "aut"),
               person(given = "Aijun",
                      family = "Zhang",
                      role = "aut"))
as necessary.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory