You can choose to use just
, without any understanding of the underlying grammar, but if you do you will never be able to unlock the full power of
. By learning more about the grammar and its components, you will be able to create a wider range of plots, as well as being able to combine multiple sources of data, and customise to your heart’s content. You may want to skip this chapter in a first reading of the book, returning when you want a deeper understanding of how all the pieces fit together.