c(person("José", "Pinheiro", role = "aut", comment = "S
version"), person("Douglas", "Bates", role = "aut", comment =
"up to 2007"), person("Saikat", "DebRoy", role = "ctb", comment
= "up to 2002"), person("Deepayan", "Sarkar", role = "ctb",
comment = "up to 2005"), person("R-core", email =
"R-core@R-project.org", role = c("aut", "cre")),
person("EISPACK authors", role = "ctb"))
José Pinheiro [aut] (S version), Douglas Bates [aut] (up to
2007), Saikat DebRoy [ctb] (up to 2002), Deepayan Sarkar [ctb]
(up to 2005), EISPACK authors [ctb], R-core [aut, cre]

c(person("José", "Pinheiro", role = "aut",
comment = "S version"),
person("Douglas", "Bates", role = "aut",
comment = "up to 2007"),
person("Saikat", "DebRoy", role = "ctb",
comment = "up to 2002"),
person("Deepayan", "Sarkar", role = "ctb",
comment = "up to 2005"),
person("R-core", email = "R-core@R-project.org",
role = c("aut", "cre")),
person("EISPACK authors", role = "ctb"))
José Pinheiro [aut] (S version),
Douglas Bates [aut] (up to 2007),
Saikat DebRoy [ctb] (up to 2002),
Deepayan Sarkar [ctb] (up to 2005),
EISPACK authors [ctb],
R-core [aut, cre]

c(person("José", "Pinheiro", role = "aut", comment = "S version"),
person("Douglas", "Bates", role = "aut", comment = "up to 2007"),
person("Saikat", "DebRoy", role = "ctb", comment = "up to 2002"),
person("Deepayan", "Sarkar", role = "ctb", comment = "up to 2005"),
person("EISPACK authors", role = "ctb", comment = "src/rs.f"),
person("R-core", email = "R-core@R-project.org",
role = c("aut", "cre")))
José Pinheiro [aut] (S version),
Douglas Bates [aut] (up to 2007),
Saikat DebRoy [ctb] (up to 2002),
Deepayan Sarkar [ctb] (up to 2005),
EISPACK authors [ctb] (src/rs.f),
R-core [aut, cre]

c(person("José", "Pinheiro", role = "aut", comment = "S version"),
person("Douglas", "Bates", role = "aut", comment = "up to 2007"),
person("Saikat", "DebRoy", role = "ctb", comment = "up to 2002"),
person("Deepayan", "Sarkar", role = "ctb", comment = "up to 2005"),
person("EISPACK authors", role = "ctb", comment = "src/rs.f"),
person("Siem", "Heisterkamp", role = "ctb", comment = "Author fixed sigma"),
person("Bert", "Van Willigen",role = "ctb", comment = "Programmer fixed sigma"),
person("R-core", email = "R-core@R-project.org",
role = c("aut", "cre")))
José Pinheiro [aut] (S version),
Douglas Bates [aut] (up to 2007),
Saikat DebRoy [ctb] (up to 2002),
Deepayan Sarkar [ctb] (up to 2005),
EISPACK authors [ctb] (src/rs.f),
Siem Heisterkamp [ctb] (Author fixed sigma),
Bert Van Willigen [ctb] (Programmer fixed sigma),
R-core [aut, cre]