R-bloggers

Introducing PLaMo-based AI translation for Bioconductor lessons

November 12, 2026 | Kozo Nishida

In the report on our Japanese workshops, I explained why our Crowdin integration had become difficult to maintain. Keeping executable R Markdown lessons in sync required file conversions, translation synchronisation and reconstruction of buildab...

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Semantic segmentation in rplatypus and pyplatypus: what is in the box

November 11, 2026 | Michał Maj

The last post took one published model and one dataset and asked where the model is weakest. This one steps back and opens the box: everything rplatypus and pyplatypus offer for semantic segmentation - a mask per class, scored by overlap - and ...

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Bioconductor Carpentries workshops in Japanese: lessons from Japan

November 11, 2026 | Kozo Nishida

An apology first This post should have been written a year ago. The two workshops it describes took place in August and September 2025, and a report in Japanese appeared in the newsletter of the Japanese Society for Bioinformatics (JSBi) in Jan...

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Preparing the Data: Cattell’s 16 Factor Personality Measure

November 11, 2026 | Unknown

As I said in my previous post, I'm working on a 2-part series where I show how to conduct psychometric analysis on a personality measure. Those posts are coming very soon, but today, I wanted to start by demonstrating how I prepare the data for psychom...

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Distribution of race by ZCTA

November 11, 2026 | Jerry Tuttle

What's a ZCTA? For years I assumed that a city consists of a number of zipcodes, and the city's population was simply the sum of the populations those zipcodes. It turns ...

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The rule of law and economic growth: what three decades of data show

November 10, 2026 | Giles

Weighted by population, the rule of law has slipped globally since 1996. India and the United States contributed a large part to this decline, while China's net impact was negligible thanks to a recovery from the mid 00's. Countries with a stronger rule of law tend to be wealthier, and those ...

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Agents in Production: Build an AI Chat App with Shiny and {shinychat}

November 10, 2026 | The Jumping Rivers Blog

The agent we built in part 1 lives in an R console, which suits one person. A trial team needs an app in the browser, where several people can ask questions at once without seeing each other’s conversations. This is part two of a five-part ...

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Growing the BiocAsia community

November 9, 2026 | Maria Doyle

With BiocAsia 2026 coming up in Melbourne, community members have been organising seminars and exploring ways to take part locally. More than 200 people joined the latest BiocAsia seminar on 13 October 2026. The session ran for two and a half ho...

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Using R to make an “informational video”

November 8, 2026 | nsaunders

I volunteer at my local junior AFL club and my role as club registrar grants access to a sports management platform called PlayHQ. It’s a rich source of data so for the end of the 2026 season, I thought it would be fun to use some of that data to ... [Read more...]

Using caretS3 with ahead::ctxthetaf for Time Series Forecasting

November 6, 2026 | T. Moudiki

A demonstration of using caretS3 models for time series forecasting with ahead::ctxthetaf. [Read more...]

Free AI and Data Courses with 365 Data Science: Unlimited Access until Nov. 20

November 6, 2026 | neddd

Free AI and Data Courses with 365 Data Science: Unlimited Access until Nov. 20 365 Data Science opens its doors this November 100% for free! From November 5 to November 20, 2026, enjoy unlimited access to the entire platform, including a wide range of R programming courses and projects. This offer features expert-led courses, practical … Continue reading ... [Read more...]

Nuclei, five years later: what a mean Dice hides

November 5, 2026 | Michał Maj

In 2020 I trained a U-Net on the 2018 Data Science Bowl nuclei with the first version of this package, watched a Dice score climb during training, and finished the post with four predicted masks on the competition’s test images. Those images ha...

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Postal codes and tessellations

November 5, 2026 | Diego HH

From five imaginary points to a map of Slovenia: postal code areas with Voronoi, giscoR and sf.

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Environmental modelling in your web browser

November 5, 2026 | Seascapemodels

I recall when the R shiny framework first came out. It suddenly got relatively easy for us ecological modellers and environmental statisticians to turn our R code into web apps. This improved accessibility of complex analyses to more general aud...

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Shrink stored models with butcher

November 4, 2026 | Marc Becker

Scope Fitted model objects in R often carry more than they need for prediction. A glm object keeps the training data, the fitted values, the residuals, and the environment of its formula. That is fine for a single model. It adds up when resample... [Read more...]

SAS to R: Why R, and Where Your Migration Budget Should Go

November 4, 2026 | The Jumping Rivers Blog

This post is part of our SAS to R series: Part 1: Is SAS still used, and is it worth keeping? Part 2: Why R, and where your migration budget should go (this post) Part 3: coming soon If you’re moving regulated analysis from SAS to R, two ...

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Kindness, Curiosity, and Kitties: A rOpenSci 15th Anniversary Interview with Mo

November 3, 2026 | rOpenSci

As part of rOpenSci’s 15th anniversary celebrations, Community Manager Yani sits down with community member Mo to talk about how a first software review turned into years of involvement across R-Universe, the Champions Program, the Slack communi... [Read more...]

Roche and Appsilon Build on Their Collaboration to Support teal’s Continued Development

November 3, 2026 | Dony Unardi

Following the recent migration of the teal framework to pharmaverse, Roche and Appsilon are building on their existing collaboration to support its continued development. Appsilon will continue contributing developer expertise and will be recogn... [Read more...]

L’IA travaille. Il vous reste le plus difficile.

November 3, 2026 | Boris Guarisma

Automatiser avec l'IA ne retire pas le travail humain : il reste la vérification et le jugement, là où l'erreur de confiance est la plus probable.

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Stratified Modeling for Imbalanced Data

November 2, 2026 | Jason Bryer

NOTE: Any updates to this article will be maintained here: https://medley.bryer.org/articles/stratified_glm.html Introduction Statistical modeling when there is substantial imbalance in the dependent variable poses unique challenges. In these si...

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