![]() ![]() Throughout, I use mydata, myfun, mypkg, mydir, and myfile as place holders for data objects, functions, packages, directories, and files, respectively. In this chapter we describe some errors you’re likely you’re likely to come across, why they happen, and how to fix them. When errors occur less often and you’re better at fixing them, the whole process becomes more enjoyable. With experience the errors occur less often, but a more important skill that grows over that time is learning to identify and fix the errors. I (not that I’m the epitome of expert) make numerous errors almost every time I use R. Even expert R programmers make errors all the time. If you write R code, you will inevitably receive an error message. Unlike with a Warning, an Error means no output was generated, and your back where you started before you ran the code.
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