Maintainer: ‘Jaeheon Jung <jaeheonj81@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Victor",
                      family = "Chernozhukov",
                      role = c("aut", "cre")),
               person(given = "Christian",
                      family = "Hansen",
                      role = c("aut", "cre")),
               person(given = "Yuan",
                      family = "Liao",
                      role = c("aut", "cre")),
               person(given = "Jaeheon",
                      family = "Jung",
                      role = c("ctb", "cre"),
                      email = "jaeheonj81@gmail.com"))
as necessary.
Maintainer: ‘Jaeheon Jung <jaeheonj81@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Victor",
                      family = "Chernozhukov",
                      role = c("aut", "cre")),
               person(given = "Christian",
                      family = "Hansen",
                      role = c("aut", "cre")),
               person(given = "Yuan",
                      family = "Liao",
                      role = c("aut", "cre")),
               person(given = "Jaeheon",
                      family = "Jung",
                      role = c("ctb", "cre"),
                      email = "jaeheonj81@gmail.com"))
as necessary.