- Google it!: Try Googling any error messages you get. It’s not cheating and everyone does it! You’ll be surprised how many other people have probably had the same problem and solved it.
- Stack Overflow: There are many thousands of questions relevant to R on Stack Overflow. Here are the most popular ones, ranked by vote. Make sure you search for similar questions before asking your own, and make sure you include a reproducible example to get the most useful advice. A reproducible example is a minimal example that lets others who are trying to help you to see the error themselves.