When you create an R package there are a number of files and folders that it can contain. This can include folders to store data, user guides (known as vignettes), tests (more on these later in the course) and demos among others. As a minimum there are only two directories that must be included along with two additional files -- the
DESCRIPTION and the
Of the two compulsory directories one contains all of the user guides for your functions. As you will see later in the course this is created in a special way for you. The other is included by the
create() function. Which of the following is the second compulsory directory?