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Update functions.qmd (#1080) 
"As you write more and more functions you’ll eventually want to convert these informal, interactive tests into formal, automated tests. That process is called unit testing. Unfortunately, it’s beyond the scope of this book, but you can learn about it in http://r-pkgs.had.co.nz/tests.html."
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README.md

R for Data Science

Render and deploy Book to Netlify

This repository contains the source of R for Data Science book. The book is built using Quarto.

The R packages used in this book can be installed via

devtools::install_github("hadley/r4ds")

Images

Omnigraffle drawings

  • Font: 12pt Ubuntu mono
  • Export as 300 dpi png.
  • Website font is 18 px = 13.5 pt, so scale dpi to match font sizes: 270 = 300 * 12 / 13.5
  • Verified sizes are visually equivalent by screenshotting.
#| echo: FALSE
#| out.width: NULL
knitr::include_graphics("diagrams/transform.png", dpi = 270)

Code of Conduct

Please note that r4ds uses a Contributor Code of Conduct. By contributing to this book, you agree to abide by its terms.