> For those LATEX practitioners who intend to produce documents in PDF, this book does not seem to make a compelling argument that they ought to change their habits. Markdown files are processed into LATEX during document rendering. The LATEX file is then compiled by the same PDF tools that authors currently use, such as pdflatex. Because rendering R markdown to LATEX may introduce errors, my opinion is that LATEX users should continue to prepare documents with LATEX.

Je suis assez d'accord, ça rejoint mon expérience. Finalement, perso, je reste sous LaTeX. En plus :

> While working on the R package stationery, I found that changing the style of an R Markdown document could require quite a lot of work. Such limitations are subtle, and can only be discovered by trial and error. The success with R Markdown for intermediate and advanced users will depend on their willingness to study capabilities of third-party software (Pandoc, Bootstrap (getbootstrap.com), etc.).

Oui, je suis assez d'accord.  R markdown, c'est bien tant qu'on reste dans les sentiers battus. Dès qu'on veut des trucs un peu spécifiques ça peut être l'enfer rapidement. C'est pratique tant qu'on reste sur des docs simples.