R Weekly 2025-W42 de Bruijn tiles, ALTREP, Parquet?

12 Oct 2026

• How to have (my) content shared by R Weekly?

This week’s release was curated by Ryo Nakagawara, with help from the R Weekly team members and contributors.

Highlight

• Aperiodic tilings with the de Bruijn method

• What R does today with an ALTREP that has a dim and no class

• What is a Parquet file anyway? Why is Parquet good?

Insights

• new CRAN Task View: Package Development and Maintenance

• Software is so cool: Reflecting on one of my earlier software projects.

• What R does today with an ALTREP that has a dim and no class

R in Academia

• Method: Using generalized additive models in the livestock animal sciences

• modelscompete4: An R Package for Comparing Nested and Non-nested Structural Equation Models

Tutorials

• surreal v0.0.3 Released - The Search, Variable Selection and a Demo in the Browser

• Adding Archivo SemiCondensed to {hrbrthemes}

• Weighting Methods ({WeightIt} package vignette)

• Aperiodic tilings with the de Bruijn method

Resources

• Code, Collaboration, and Community (slides from EARL Conference 2026)

• emscripten-forge/r-shiny-template: GitHub template repository for packaging a Shiny app with lucent-pack and deploying it to GitHub Pages.

New Packages

📦 Keep up to date wtih CRANberries 📦

CRAN

• {blueycolors} 0.2.2: Provides ‘Bluey’-inspired color palettes and ‘ggplot2’ scales.

• {circuitscaper} 0.1.1: ‘Circuitscape’ and ‘Omniscape’ Connectivity Analysis via ‘Julia’

• RcppSimdJson 0.1.16 on CRAN: Much Faster Again!

• myman 0.10.0 on CRAN: Three new waves of posts!

• {ardea} 0.1.1: Infrastructure for Interacting with GPUs

• {hal} 0.1.4: Agentic Coding Assistants

• {dragonfarm} 0.3.3: Fine-Tune Small Language Models with LoRA from R

• {spatialcvR} 0.1.0: Spatial Cross-Validation for Machine Learning

• {delta.sharing} 0.2.1: Client for the Delta Sharing Protocol

• {gtxlsx} 0.4.0: Write ‘gt’ and HTML Tables into ‘openxlsx2’ Workbooks

• {rgrind} 0.1.0: Gamified Algorithmic and Data Wrangling Challenges for R

• {oeis.tools} 0.3.1: Access and Visualize Integer Sequences from the OEIS

• {tidymatrix} 0.1.0: Tidyverse-Style Operations on Matrices with Row and Column Metadata

• {forensicR} 0.0.6: Crime Scene Documentation and Reconstruction Tools

• {caples} 0.1.0: Fast, Plain-English Readouts for A/B/n Tests

• {charr} 0.1.0: String Processing Reimagined for ‘ALTREP’ Strings

GitHub or Bitbucket or GitLab

• {ggbelarus}: A ggplot2 theme inspired by Belarusian red-and-white cross-stitch, with embroidered borders and cross-stitch points.

• Time Series forecast as a Service: SDK + API

• {penguinglyphs} 0.4.0: Multivariate Penguin Data Visualization Using Glyphs

• {mizu} 0.0.1.9000: Zero-Copy Shared-Memory Parallelism Across R and Python

• {incomeLato} 0.1.1: Relative Income Position for ‘Latinobarometro’ Respondents from a Frozen Imputation Model

Updated Packages

🔍 Search on R-universe 🔍

• {roxygen2} 8.1.1: In-Line Documentation for R - diffify
• {paws} 0.11.0: Amazon Web Services Software Development Kit - diffify
• {ggstatsplot} 1.1.2: ‘ggplot2’ Based Plots with Statistical Details - diffify
• {lavaan} 0.7-3: Latent Variable Analysis - diffify
• {rdrobust} 4.1.1: Robust Data-Driven Statistical Inference in Regression-Discontinuity Designs - diffify
• {RcppSimdJson} 0.1.16: ‘Rcpp’ Bindings for the ‘simdjson’ Header-Only Library for ‘JSON’ Parsing - diffify
• {footBayes} 2.1.0: Fitting Bayesian and MLE Football Models - diffify
• {estimatr} 2.0.1: Fast Estimators for Design-Based Inference - diffify
• {brickster} 0.2.15: R Toolkit for ‘Databricks’ - diffify
• {openalexR} 3.1.1: Getting Bibliographic Records from ‘OpenAlex’ Database Using ‘DSL’ API - diffify
• {surreal} 0.0.3: Create Datasets with Hidden Images in Residual Plots - diffify
• {mapsf} 1.3.0: Thematic Cartography - diffify
• {pdp} 0.10.0: Partial Dependence Plots - diffify
• {heplots} 1.8.6: Visualizing Hypothesis Tests in Multivariate Linear Models - diffify

Videos and Podcasts

• Listen to the R-Weekly Highlights Podcast

• R for Data Science (Book Club): Strings (r4ds12 ch. 14)

• What is a Parquet file anyway? Why is Parquet good?

• An introduction to S7

Gist & Cookbook

• TidyTuesday: 23 of 27 tested avocado-oil products failed authenticity testing in both tested lots

• TidyTuesday: Avocado Oil Authenticity

R Internationally

• Limpiar planillas de Excel complejas en R con {unpivotr}

R Project Updates

Updates from R Core:

Call for Participation

Upcoming Events in 3 Months

Events in 3 Months:

• A list of R conferences and meetings

• This week’s local R-User and applied stats events

• Weekly R Workshops for Ukraine

Connect

Join the Data Science Learning Community

rtistry

Propagation (R code) New code based art in the R Stats language #codeart #proceduralart #genartclub #rstats #charlestonsc

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— Kenny Vaden (@kennyvaden.bsky.social) October 9, 2026 at 12:18 PM

Quotes of the Week

Walked into this today, and all I can think about is penguins #rstats

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— John Paul Helveston (@jhelvy.bsky.social) October 7, 2026 at 1:37 AM

I recently became a dad, which is the most wonderful experience I've... experienced! But it's been no bed of roses 🎵 No pleasure cruise 🎶👑 It is no news that a baby disrupts parents' sleep. Well, I share my evidence of that with a #dataviz Still worth it!!!💙👶 #ggplot2 #rstats

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— Franco Guiragossian (@dataviz.ar) October 4, 2026 at 4:44 AM