How to combine two RMarkdown (.Rmd) files into a single output?
August, 2018 update: This answer was written before the advent of bookdown, which is a more powerful approach to writing Rmarkdown based books. Check out the minimal bookdown example in @Mikey-Harper’s answer! When I want to break a large report into separate Rmd, I usually create a parent Rmd and include the chapters as children. … Read more