R Weekly Highlights

Creating your own CRAN-like repository with R-universe, results the third annual Shiny contest, and insights on why to use Shiny. Episode Links This week's curator: Colin Faye (@_colinFay) How to create your personal CRAN-like repository on R-universe Winners of the 3rd annual Shiny Contest Why Shiny? Insights from a Shiny Developer Entire issue available at rweekly.org/2021-W26 Supplement Resources https://ropensci.org/blog/2021/03/04/r-universe-buildsystem/ https://ropensci.org/commcalls/may2021-r-universe/

Projecting and tracking COVID-19 infection rates in England with R, leveraging Wikidata to tag scientific abstracts, and a new deep-learning workflow with the luz package Episode Links This week's curator: Robert Hickman (@robwhickman) Tracking SARS-CoV-2 In England with {epidemia} Tagging the Scientific Abstracts with Wikidata Items Que haja luz: More light for torch! Entire issue available at rweekly.org/2021-W25 Supplemental Resources {epidemia} package documentation A COVID-19 Model for Local Authorities of the United Kingdom How epidemiology has shaped the COVID pandemic

Using Animal Crossing data with the Google Vision API and machine learning, the latest Shiny developer series with Nick Strayer, and ensuring robust database transactions in Shiny Episode Links This week's curator: Tony Elhabr ([@TonyElHabr] Everybody Loves Raymond: Running Animal Crossing Villagers through the Google Vision API Shiny Developer Series Episode 21: RStudio software engineer Nick Strayer returns to share how he arrived to RStudio and motivations behind the new Shiny App Stories. Shiny in Production: Database Transactions Entire issue available at rweekly.org/2021-W24

Reusing knitr chunk options, the combo of VS-Code and R in 2021, and say hello to gggrid Episode Links This week's curator: Miles McBain (@MilesMcBain) Reusing Code Chunks and Chunk Options with knitr R in 2021 with VSCode 'gggrid' it's g-g-great! Accessing 'grid' from 'ggplot2' Entire issue available at rweekly.org/2021-W23

Extracting and analyzing Apple health data, and the top 40 CRAN packages for April Episode Links This week's curator: Wolfram Qin Changes in Apple Health Export April 2021: "Top 40" New CRAN Packages Entire issue available at rweekly.org/2021-W22 Supplemental Resources https://www.healthcareitnews.com/news/timeline-how-apple-piecing-together-its-secret-healthcare-plan https://github.com/d-score/childdevdata https://github.com/forestry-labs/Rforestry https://github.com/tsuda16k/materialmodifier

The big new features in R 4.1.0, what makes a great function example, and evolution of a ggplot Episode Links This week's curator: Kelly Bodwin (@KellyBodwin) New features in R 4.1.0 Package documentation: What makes a good example? Evolution of a ggplot Entire issue available at rweekly.org/2021-W21 Supplemental Resources Full R 4.1.0 changelog Winston Chang's R read-only GitHub Repo mirror of the SVN R code repository for version 4.1.0

A tidymodels approach to the Introduction to Statistical Learning learning labs, exploring class imbalance on the TidyX video series, and encrypting and hosting a R Markdown report. Episode Links This week's curator: Ryo Nakagawara (@R_by_Ryo) ISLR: tidymodels labs: This book aims to be a complement to the 1st version An Introduction to Statistical Learning book with translations of the labs into using the tidymodels set of packages. TidyX Episode 59: MLB Pitch Classification - Class Imbalance and Model Evaluation Encrypt and host a knitted R Markdown file Entire issue available at rweekly.org/2021-W20 Supplemental Resources An Introduction to Statistical Learning and The Elements of Statistical Learning official sites with links to download each. TidyX MLB Pitch Classification playlist My appearance on TidyX episode 32 {encryptedRmd}: Password protected markdown HTML reports in R using libsodium libsodium encryption library

Using the trifecta of map, walk, and pivot for data processing, obtaining quotes from the Friends characters in R, and putting the spolight on Shiny user interfaces in the Shiny Dev Series. Episode Links This week's curator: Hey, it's me, Eric! (@theRcast) Map, Walk, Pivot Introducing {centralperk}: Get quotes from the main characters of the TV show 'Friends' Shiny Developer Series Episode 20: Outstanding User Interfaces with David Granjon Entire issue available at rweekly.org/2021-W19

A call to action for testing R 4.1, a practical guide to unit tests, and a tutorial on creating pizza charts with football data Episode Links This week's curator: Jonathan Carroll (@carroll_jono) R Can Use Your Help: Testing R Before Release Writing unit tests in R Soccer Percentile Radars/Pizza's Tutorial Entire issue available at rweekly.org/2021-W18

Exploring wikidata with the {tidywikidatar} package, accessibility improvements in {knitr}, and the top 40 new CRAN packages for March. Episode Links This week's curator: Batool Almazrouq (@batool664) What does Wikidata know about members of the European Parliament? New in knitr: Improved accessibility with image alt text March 2021: "Top 40" New CRAN Packages Entire issue available at rweekly.org/2021-W17 Supplemental Resources https://news.yahoo.com/wikipedia-turns-20-aims-reach-035212015.html https://github.com/yihui/knitr/releases/tag/v1.32 https://cran.r-project.org/web/packages/pkglite/index.html https://flujoo.github.io/gm/