for non-standard things in the check directory

Maintainer: ‘Wei Jiang <wjiangaa@connect.ust.hk>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Wei",
                      family = "Jiang",
                      role = c("aut", "cre"),
                      email = "wjiangaa@connect.ust.hk"),
               person(given = "Jing-Hao",
                      family = "Xue",
                      role = "aut"),
               person(given = "Weichuan",
                      family = "Yu",
                      role = "aut"))
as necessary.
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’
Maintainer: ‘Wei Jiang <wjiangaa@connect.ust.hk>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Wei",
                      family = "Jiang",
                      role = c("aut", "cre"),
                      email = "wjiangaa@connect.ust.hk"),
               person(given = "Jing-Hao",
                      family = "Xue",
                      role = "aut"),
               person(given = "Weichuan",
                      family = "Yu",
                      role = "aut"))
as necessary.
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’
Found the following files/directories:
  ‘HL_H0.pdf’ ‘pi0infer.pdf’ ‘rate.txt’ ‘summary.txt’