A plethora of resources are available to help you learn more about R. These include several facilities within R itself and, of course, on the Web.
Much work has gone into making R self-documenting. We’ll look at some of R’s built-in help facilities and then at those available on the Internet.
The help() Function
To get online help, invoke
help(). For example, to get information on the
seq() function, type this:
The shortcut to
help() is a question mark
Special characters and some reserved words must be quoted when used with the
help() function. For instance, you need to type the following to get help on the
And to see what the online manual has to say about
for loops, enter this: