Question

This works:

help(package="ggplot2")

This does not:

x <-"ggplot2"
help(package=x)

# Error in find.package(pkgName, lib.loc, verbose = verbose) : 
#   there is no package called ‘x’

How can I make it so that I can pass x to help to open the help page?

Answer 1

Put the variable in parentheses:

x <-"ggplot2"
help(package=(x))

The help file for ?help rather cryptically states for the package argument:

To avoid a name being deparsed use e.g. (pkg_ref) (see the examples).