cify the language the code is written in (RStudio defaults to R,
but we can change this to a different programming language – RMarkdown
understands SQL, python, css, and many others.) Then comes the name of the code
chunk. This one was automatically named “setup” by RStudio, but we can give it
any other name. The important thing is that we can never repeat the same name
for a code chunk within the same document. After the comma we can include
options that will determine how the code chunk behaves. In 