md again is the only required file here, with some specific YAML parameters set within it.

We'll walk through these elements as we go, and what they all do.



---

# Project structure



```r
directory/
‚îú‚îÄ‚îÄ .Rproj.user
‚îú‚îÄ‚îÄ book.Rproj
*‚îú‚îÄ‚îÄ 01-intro.Rmd
*‚îú‚îÄ‚îÄ 02-literature.Rmd
*‚îú‚îÄ‚îÄ 03-method.Rmd
*‚îú‚îÄ‚îÄ 04-application.Rmd
*‚îú‚îÄ‚îÄ 05-summary.Rmd
*‚îú‚îÄ‚îÄ 06-references.Rmd
‚î