R-Bloggers

Shiny in Production 2025: Workshops

"Shiny in Production is heading back to The Catalyst in Newcastle upon Tyne
this October! We’ve got a great mix of workshops and a full day of talks, with speakers
being announced soon. You’ll find all the workshop details below,
and you can sign up now on ..."

Planning for a 3-arm cluster randomized trial with a nested intervention and a time-to-event outcome

"A researcher recently approached me for advice on a cluster-randomized trial he is developing. He is interested in testing the effectiveness of two interventions and wondered whether a 2×2 fa..."

Cost-Effectiveness Analysis

"In a previous post, we presented an rjags version of a Bayesian model from Chapter 2 of the textbook: Evidence Synthesis for Decision Making in Healthcare by Welton et al. (2012). In this post, we continue our project to present rjags versi...


Continue reading: ..."

15 New Books added to Big Book of R

"I’m very excited to announce that 6 English-language books and 9 Portuguese books have been added to the collection of over 400 free, open-source R programming books. Many thanks to Bruno Mioto for the submission of the Portuguese books. As a reminder, the..."

spuriouscorrelations: An R package to show examples about spurious correlations

"I’ve been busy with the field exams, so I haven’t had much time to work on the blog.
spuriouscorrelations package started as a fun project for one of my tutorials.
Here is a case of an interesting correlation: th..."

From Complete Separation To Maximum Likelihood Estimation in Logistic Regresion: A Note To Myself

"Refreshed my rusty calculus skills lately! 🤓 Finally understand what happens during complete separation and why those coefficient SE get so extreme. The math behind maximum likelihood estimation..."

Animated population pyramids for the Pacific by @ellis2013nz

"A short blog post today which is just all about producing this animation, which I used for a work presentation yesterday:
It’s super easy and it’s worth putting out there how to do it, if only to encourage people to think more abou..."

login/inst/user_params/app.R at main · jbryer/login Shiny Login Module. Contribute to jbryer/login development by creating an account on GitHub.

User parameters for Shiny applications

"tl;dr
Once the login package is installed, you can run two demos using the following commands:
shiny::runApp(paste0(find.package('login'), '/user_params/'))
https://github.com/jbryer/login/blob/main/inst/user_params/app.R
shiny::runApp(paste0(fi...


Co..."

Mock Them All: Simulate to Better Test with testthat

"You can read the original post in its original format on Rtask website by ThinkR here: Mock Them All: Simulate to Better Test with testthat
Unit testing in R. You know, those small functions that ensure your code works flawlessly—even when..."

maestro 0.6.0

"There are a bunch of new features to share as part of the 0.6.0 release of maestro:
maestroFlags tag and accompanying get_flags() function for tagging pipelines.
maestroPriority tag for determining the order in which simultaneously schedul...


Continue reading: maestro 0.6.0"

Bridges and Communities. My Journey as an rOpenSci Champion

"Read it in: Español. To be part of the rOpenSci Champions program has been an experience of professional growth and an opportunity to contribute to the rOpenSci community. I learned about R package development while working on a too..."

Spatial machine learning with caret

"This is the second part of a blog post series on spatial machine learning with R.
You can find the list of other blog posts in this series in part one.
Introduction
This document shows the application of caret for spatial modelling at t...


Continue readi..."

Notes on DEseq2 design

"My note from today's lab meeting:For senario like Rambo's project, where in a case-control two group comparison, each subject has multiple repeats (or multiple time points). To test the genes associated with the condition, you must model subject a...
Continue reading: ..."

Using LLMs with ellmer workshop by Hadley Wickham

"Join our workshop on Using LLMs with ellmer, which is a part of our workshops for Ukraine series!  Here’s some more info: Title: Using LLMs with ellmer Date: Friday, June 13th, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Hadley..."

Multi-language pipelines with rixpress

"If you want to watch a 2-Minute video introduction to {rixpress}, click the image below:
In August last year I tried to see how one could use Nix as a built automation tool for data science pipelines, and in March this year, I’ve star...


Continue read..."

[R] Use new_scale_xxx() function to add the same scale type in different ggplot layers

"Zhenguo Zhang's Blog /2025/05/10/r-use-new-scale-xxx-function-to-add-the-same-scale-type-in-different-ggplot-layers/ -
In one ggplot figure, normally you can only use one scale for each aesthetic mapping. ..."

Roaringly Acknowledge Organizations with ROR IDs in DESCRIPTION

"A few years ago, the R community started using ORCID (“Open Researcher and Contributor ID”) to persistently and uniquely identify individual authors of packages in DESCRIPTION.
The idea is the following: you enter authors’ ORCID..."

A Data Scientist’s View of Running R in Visual Studio Code

"A new, universal development environment
VS Code is Microsoft’s open-source software development environment that can be customized for any language. It is arguably the general-purpose GUI programming tool of choice when working acro..."

Trend-Anomaly Analysis: Ethereum’s Pectra Upgrade

"The Pectra upgrade for Ethereum could catalyze the expected uptrend despite the reduced risk appetite caused by the Tariff War between the US and China. Based on the trend-anomaly analysis, this suggests the potential for a 40% increase in th..."

R/exams Presents: Fun with Flags

"Standalone knowledge quiz about the flags of countries and their neighbors, along with the Quarto source files to generate this.
Knowledge quiz
Standalone file: flags.html
Resources
flags
flags.qmd: Quarto sou...


Continue reading: R/exams Presents: Fu..."

uv, part 3: Python in R with reticulate Two demos using Python in R via reticulate+uv: (1) Hugging Face transformers for sentiment analysis, (2) pyBigWig to query a BigWig file and visualize with ggplot2.

Repost: uv, part 3: Python in R with reticulate

" Reposted from the original at https://blog.stephenturner.us/p/uv-part-3-python-in-r-with-reticulate.Two demos using Python in R via reticulate+uv: (1) Hugging Face transformers for sentiment analysis, (2) pyBigWig to query a BigWig file and ....."

Mapping research landscapes and dynamics: Some basic bibliometric analyses with R

"Understanding how scientific knowledge develops requires more than merely counting papers and citations. It requires a careful evaluation of how research topics and themes interconnect and transform over time. ..."

Why Every Media Team Needs a Measurement Playbook (Not Just a Dashboard)

"Demystifying media analytics tools like MMM and incrementality testing, and how to leverage them to move from tactical execution to strategic mastery.
Continue reading: Why Every Media Team Needs a Measurement Playbook ..."

Hasler Statistics

"The distances of Hasler kayak races for various divisions are nominally 4, 8 and 12 miles. However, the actual distances vary to some degree from one race venue to another. This makes it difficult to compare race times across different races. Using data from Paddle UK I att..."

New R/exams Version: exams2forms, Written NOPS Exams, and More

"New CRAN releases of the R/exams package and the accompanying exams2forms package with many new features and enhancements, especially for the written multiple-choice exams (NOPS).
Overview
The new version 2.4-2 of the...


Co..."

Quicksummary of data for modeling and Machine Learning

"Introduction
This blog is about the improved function, quicksummary in the Dyn4cast package. The function provides quick overview of data and particularly outputting five different means.
Observational study involves procuring large mass..."

Simulating A Simple Response Adaptive Randomization – I Have To See It To Believe It

"In my simulations of Response Adaptive Randomization, I discovered it performs comparably to fixed 50-50 allocation in identifying treatment effects. The adaptive approach does appear to work! However, with ..."

Cross checking OSM IDs between OSM and Wikidata

"Mont Blanc – CC-BY-NC-ND by Viktor Kirilko
Some OpenStreetMap elements have Wikidata entities as attributes, like for example the summit of Mont Blanc has the key/value pair wikidata=Q583 directing to Mont Blanc where we can see it has ...


Co..."

Rotation with Modulo

"How well do you know your fundamental operators in different languages? ‘Easy’
examples help to fortify that knowledge, and comparing across languages makes
for some neat implementation detail discoveries.
I saw this toot from @gregeganSF on Mastodon
...
Continue reading..."

The recipe to debug your R code in VSCode

"Debugging code in an everyday (often painful) task for developers. In a recent video, I presented how to debug R code in RStudio IDE.
Two native functions available natively in R were shown : browser() and debugonce(). They are very useful to de...

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