In episode 209 of R Weekly Highlights we learn ways you can pinpoint just what is slowing down your R code, a novel framing for testing your next plumber API, and the adventures in recreating a NY Times chart entirely with ggplot2.
Episode Links

• This week's curator: Jon Carroll - @[email protected] (Mastodon) & @jonocarroll.fosstodon.org.ap.brid.gy (Bluesky) & @carroll_jono (X/Twitter)
• Speed Testing Code: Three Levels
• Testing your Plumber APIs from R
• Copy the Pros: How to Recreate this NYTimes Chart in R
• Entire issue available at rweekly.org/2025-W31

Supplement Resources

• Add links discussed in the episode (in place of this sentence)
• Eric and Mike's 2023 Shiny in Production workshop https://posit-conf-2023.github.io/shiny-r-prod/
• Jakub's R test gallery https://jakubsobolewski.com/r-tests-gallery/
• plumber2 - Easy and Powerful Webservers in R https://posit-dev.github.io/plumber2/
• Push straight to prod API development with R and Tensorflow at T-Mobile https://posit.co/resources/videos/push-straight-to-prod-api-development-with-r-and-tensorflow-at-tmobile/
• VCR R package by Scott Chamberlain https://github.com/ropensci/vcr/
• GitHub repository with Spencer's ggplot2 code https://github.com/Pecners/make_that_chart

Supporting the show

• Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
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• Get in touch with us on social media
  • Eric Nantz: @[email protected] (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter) 
  • Mike Thomas: @[email protected] (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter) 

Music credits powered by OCRemix

• Digital Saṃsāra - Genshin Impact - OceansAndrew - https://ocremix.org/remix/OCR04775
• Big Earl Funk - ToeJam & Earl - Zach Chapman, Ian Martyn, newmajoe, Ronin Op F, TheManPF - https://ocremix.org/remix/OCR04785