R Weekly Highlights

A roundtrip between formatted tables and spreadsheets is now very much possible, how {shinyreact} represents a new path for user interface development in Shiny, and a candid take on ownership of code and the products we build from it (including very awesome art).

Episode Links
This week's curator: Sam Parmar - @parmsam@fosstodon.org (Mastodon) & @parmsam_ (X/Twitter)
From spreadsheet to gt and back again
Introducing shinyreact: React UI backed by a Shiny server
Aperiodic tilings with the de Bruijn method
Entire issue available at rweekly.org/2026-W41

Supplement Resources
{forgts} - Formatted spreadsheets to gts https://luisdva.github.io/forgts
{gtxlsx} - Write gt and HTML tables into {openxlsx2} workbooks https://janmarvin.github.io/gtxlsx
Bold indicates negative? https://www.youtube.com/watch?v=NJz0779Seto
{shinyreact} - Shiny UI infrastructure for React-based component rendering https://posit-dev.github.io/shinyreact/r/index.html
Agent skills vignette for {shinyreact} https://posit-dev.github.io/shinyreact/r/articles/agent-skills.html
R + AI conference https://rconsortium.github.io/RplusAI_website/

Supporting the show
Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
R-Weekly Highlights on the Podcastindex.org - You can send a boost into the show directly in the Podcast Index. First, top-up with Alby, and then head over to the R-Weekly Highlights podcast entry on the index.
A new way to think about value: https://value4value.info
Get in touch with us on social mediaEric Nantz: @rpodcast@podcastindex.social (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter)
Mike Thomas: @mike_thomas@fosstodon.org (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter)

Music credits powered by OCRemix
J-Type - Tetris - Nostalvania - https://ocremix.org/remix/OCR04401
Smoke & Marbles - Castlevania: Symphony of the Night - Emunator, ZackParrish, Lucas Guimaraes - https://ocremix.org/remix/OCR04714

After a massive backlog issue sprint, the foundational {knitr} gains terrific updates to supercharge SQL code chunks. The R Project moves to an open source platform for asynchronous communication, and a key technique for bringing the user's perspective on error messages when you test your R package.

Episode Links
This week's curator: Batool Almarzouq - @batoolmm.bsky.social (Bluesky) & @batool664 (X/Twitter)
The knitr SQL Engine Grows Up
Zulip Chat for the R Project
Snapshotting error messages
Entire issue available at rweekly.org/2026-W40

Supplement Resources
A Four-Day {knitr} Issue/PR Backlog Sprint https://yihui.org/en/2026/09/knitr-backlog
Zulip R-Project signup https://r-project.zulipchat.com
A Practical Introduction To Reproducible R with Nix & {rix} https://b-rodrigues.github.io/r_pharma_26/#/title-slide

Supporting the show
Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
R-Weekly Highlights on the Podcastindex.org - You can send a boost into the show directly in the Podcast Index. First, top-up with Alby, and then head over to the R-Weekly Highlights podcast entry on the index.
A new way to think about value: https://value4value.info
Get in touch with us on social mediaEric Nantz: @rpodcast@podcastindex.social (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter)
Mike Thomas: @mike_thomas@fosstodon.org (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter)

Music credits powered by OCRemix
Brinstar Bonsai Garden - Super Metroid - Red Tailed Fox - https://ocremix.org/remix/OCR01473
Dark World Jazz - The Legend of Zelda: A Link to the Past - Gux - https://ocremix.org/remix/OCR00156

Have you found a rogue line of rm(list=ls()) in your R scripts? Then we have a terrific update to a package to find those environment issues and much more. Plus a candid take on the lifecycle of spreadsheet-creating packages, and how to take matters to your "R" hands when faced with a perplexing reviewer comment. Mike and I also share our takeaways from an eventful posit::conf(2026)!

Episode Links
This week's curator: Colin Fay - @colinfay@fosstodon.org (Mastodon) & @colinfay.bsky.social (Bluesky) & [@_ColinFay]](https://twitter.com/_ColinFay) (X/Twitter)
Release: sessioncheck 0.2
Ghosts of spreadsheets past
Observed power tells you nothing
Entire issue available at rweekly.org/2026-W39

Supplement Resources
{sessioncheck} https://sessioncheck.djnavarro.net/
Why Every R Package Wrapping External Tools Needs a sitrep() Function https://drmowinckels.io/blog/2026/sitrep-functions/
Marimo https://docs.marimo.io

Supporting the show
Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
R-Weekly Highlights on the Podcastindex.org - You can send a boost into the show directly in the Podcast Index. First, top-up with Alby, and then head over to the R-Weekly Highlights podcast entry on the index.
A new way to think about value: https://value4value.info
Get in touch with us on social mediaEric Nantz: @rpodcast@podcastindex.social (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter)
Mike Thomas: @mike_thomas@fosstodon.org (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter)

Music credits powered by OCRemix
A View from the Top (of Shinra HQ) - Final Fantasy VII Remake - TheManPF, Andre Beller, jnWake, Kev Ragone, Michelle Dreyband, newmajoe, Ronin Op F - https://ocremix.org/remix/OCR04777
Hotel Rhumba (I Want to Go Home) - Earthbound - The Pancake Chef - https://ocremix.org/remix/OCR00526

A data-driven investigation on how September is a dangerous month for bikers in Wisconsin, a novel look at the distribution of castles across the globe, and the fundamentals behind an influential analysis method commonly used in experimental designs.

Episode Links
This week's curator: Jonathan Kitt - @jonathankitt.bsky.social (Bluesky)
Madison bike crashes peak in September
An Atlas of Stone
Repeated measures ANOVA in R
Entire issue available at rweekly.org/2026-W37

Supplement Resources
Madison Bikes https://www.madisonbikes.org
Tidy Tuesday Castlemap dataset https://github.com/rfordatascience/tidytuesday/tree/main/data/2026/2026-09-01
Deepali's GitHub repository https://github.com/deepdk
{rstatix}: Pipe-friendly Framework for Basic Statistical Tests in R https://rpkgs.datanovia.com/rstatix/

Supporting the show
Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
R-Weekly Highlights on the Podcastindex.org - You can send a boost into the show directly in the Podcast Index. First, top-up with Alby, and then head over to the R-Weekly Highlights podcast entry on the index.
A new way to think about value: https://value4value.info
Get in touch with us on social mediaEric Nantz: @rpodcast@podcastindex.social (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter)
Mike Thomas: @mike_thomas@fosstodon.org (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter)

Music credits powered by OCRemix
Relm's Weepy Loop - Final Fantasy 6 - MkVaff - https://ocremix.org/remix/OCR00178
Cammy's London Drizzle - Super Street Fighter II: The New Challengers - MkVaff - https://ocremix.org/remix/OCR00453

The newest linter on the R block gains a bold new feature in version 0.6.0, and a new package documentation framework altdown enters the world.

Episode Links
This week's curator: Jon Calder - @jonmcalder@fosstodon.org (Mastodon) & @jonmcalder (X/Twitter)
Jarl 0.6.0: A fast R linter
A new take on documentation sites for R packages
Entire issue available at rweekly.org/2026-W36

Supplement Resources
Ark: An R kernel https://github.com/posit-dev/ark
Arf: Alternative R Frontend https://github.com/eitsupi/arf

Supporting the show
Use the contact page at https://serve.podhome.fm/custompage/r-weekly-highlights/contact to send us your feedback
R-Weekly Highlights on the Podcastindex.org - You can send a boost into the show directly in the Podcast Index. First, top-up with Alby, and then head over to the R-Weekly Highlights podcast entry on the index.
A new way to think about value: https://value4value.info
Get in touch with us on social mediaEric Nantz: @rpodcast@podcastindex.social (Mastodon), @rpodcast.bsky.social (BlueSky) and @theRcast (X/Twitter)
Mike Thomas: @mike_thomas@fosstodon.org (Mastodon), @mike-thomas.bsky.social (BlueSky), and @mike_ketchbrook (X/Twitter)

Music credits powered by OCRemix
Super Buck II - Super Mario Brothers 2 - Estradasphere - https://ocremix.org/remix/OCR00577