View datasets from all installed packages
datasets(package = NULL, lib.loc = NULL, all = TRUE, drop.defaults = FALSE)
a character vector with the names of packages to search through, or NULL in which "all" packages (as defined by argument all) are searched.
a character vector of directory names of R libraries, or NULL. The default value of NULL corresponds to all libraries currently known.
logical; if TRUE search all available packages in the library trees specified by lib.loc, and if FALSE, search only attached packages.
logical; if TRUE, do not include the datasets from the datasets package.