Either view out of date packages or update out of data packages.
p_update(update = TRUE, ask = FALSE, ...)
p_up(update = TRUE, ask = FALSE, ...)logical. If TRUE updates any out-of-date packages; if
FALSE returns a list of out-of-date packages.
logical. If TRUE asks user before packages are actually
downloaded and installed, or the character string "graphics", which
brings up a widget to allow the user to (de-)select from the list of packages
which could be updated or added.
Other arguments passed to update.packages.
if (FALSE) { # \dontrun{
p_update()
p_update(FALSE)
p_up(FALSE)
} # }