Thread by @EmilyRiederer, R Markdown Cookbook is now available! Check it out for short, snappy, [...]

R Markdown Cookbook is now available! Check it out for short, snappy, real-world examples of how to customize and polish every aspect of your R Markdown.

To celebrate, a thread of 10 of my favorite tips (1/n) https://twitter.com/CRC_MathStats/status/1318871113884180483">https://twitter.com/CRC_MathS...

https://twitter.com/CRC_MathStats/status/1318871113884180483

Overrun by the amount of code in a single Rmd or want it better modularized for collaboration? Child documents can help you write multiple Rmd and render them to one output:

https://bookdown.org/yihui/rmarkdown-cookbook/child-document.html

(2/n)">https://bookdown.org/yihui/rma...

16.4 Child documents (*) | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/child-document.html

Have some Markdown code to show only if certain logical conditions are met? Using the {asis} language engine and the {echo} chunk option makes this straightforward and elegant

https://bookdown.org/yihui/rmarkdown-cookbook/eng-asis.html

(3/n)">https://bookdown.org/yihui/rma...

15.3 Execute content conditionally via the asis engine | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/eng-asis.html

Want to automatically generate code chunks and/or MD text (e.g. separate header and plot for a set of variables)? knit_expand() is your friend

https://bookdown.org/yihui/rmarkdown-cookbook/knit-expand.html

(4/n)">https://bookdown.org/yihui/rma...

14.7 Use knitr::knit_expand() to generate Rmd source | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/knit-expand.html

Need to reference specific lines of code in your writing? Output hooks let you post-process your output -- including adding line numbers!

https://bookdown.org/yihui/rmarkdown-cookbook/hook-number.html

(5/n)">https://bookdown.org/yihui/rma...

12.2 Add line numbers to source code | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/hook-number.html

Curious about **all the chunk options** besides `eval` and `echo`? The print appendix includes a comprehensive list, which you can also find on @xieyihui & #39;s blog

https://yihui.org/knitr/options/

(6/n)">https://yihui.org/knitr/opt...

Options - Yihui Xie | 谢益辉

The knitr package provides a lot of chunk options for customizing nearly all components of code chunks, such as the source code, text output, plots, and the language of the chunk. It also offers some...

https://yihui.org/knitr/options/

Want to customize the style of an arbitrary block of text or code? Insert your own "fence" with Pandoc divs!

https://bookdown.org/yihui/rmarkdown-cookbook/custom-blocks.html

(7/n)">https://bookdown.org/yihui/rma...

9.6 Custom blocks (*) | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/custom-blocks.html

Are you writing a tutorial or vignette and want to show and mock a temp file on the fly? The {cat} engine can help you out

https://bookdown.org/yihui/rmarkdown-cookbook/eng-cat.html

(8/n)">https://bookdown.org/yihui/rma...

15.6 Write the chunk content to a file via the cat engine | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/eng-cat.html

Concerned about accessibility? You should be! Use web best practices to make your HTML output more accessible and screen-reader friendly

https://bookdown.org/yihui/rmarkdown-cookbook/html-accessibility.html

(9/n)">https://bookdown.org/yihui/rma...

7.14 Improve accessibility of HTML pages | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/html-accessibility.html

Will some of your readers care about the code but most won& #39;t? Automatically pull it all into an appendix

https://bookdown.org/yihui/rmarkdown-cookbook/code-appendix.html

(10/n)">https://bookdown.org/yihui/rma...

4.19 Put together all code in the appendix (*) | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/code-appendix.html

Check out the book for so much more. Beyond the recipes, you& #39;ll also learn how all of the different pieces of Rmd processing fit together so you can create brand new recipes! Plus, you get to look at the amazing cover art thanks to @allison_horst !

Oops! Missed one of them and only did 9

https://abs.twimg.com/emoji/v2/... draggable="false" alt="😳" title="Errötetes Gesicht" aria-label="Emoji: Errötetes Gesicht">

Need multiple output formats? Make sure your custom styling (from the previous 2 chapters!) will work either way

(11-ish / n) https://bookdown.org/yihui/rmarkdown-cookbook/latex-html.html">https://bookdown.org/yihui/rma...

9.1 LaTeX or HTML output | R Markdown Cookbook

This book showcases short, practical examples of lesser-known tips and tricks to helps users get the most out of these tools. After reading this book, you will understand how R Markdown documents are...

https://bookdown.org/yihui/rmarkdown-cookbook/latex-html.html

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