R-bloggers - Part 4

Some everyday data tasks: a few hints with R

August 13, 2026 | Andrea Onofri

It is important to know how to reshape a dataframe into a form that might be more suitable for the analyses we intend to perform. For me, it is also important to know how to do this with base R, without using any other packages. Yes, I know that...

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Ihaka Lecture

August 13, 2026 | R on kieranhealy.org

I gave the first of this year’s Ihaka Lectures at the University of Auckland this past July. It revisited and partially updated things I’ve been talking about for the past eighteen months or so on trust in data visualization (and b... [Read more...]

Announcing AI in Production 2027

August 12, 2026 | The Jumping Rivers Blog

AI in Production is about the reality of running AI and machine learning systems, not just building them. The talks come from people who have shipped something and lived with what came next: what worked, what surprised them, what they would do di...

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From Raw Data to Regulatory Results: Clinical Trial Programming in R using the pharmaverse workshop

August 12, 2026 | Dariia Mykhailyshyna

Join our workshop on From Raw Data to Regulatory Results: Clinical Trial Programming in R using the pharmaverse, which is a part of our workshops for Ukraine series! Here’s some more info: Title: From Raw Data to Regulatory Results: Clinical Trial Programming in R using the pharmaverse Date: Thursday, ... [Read more...]

I thought my job was about data. It turned out to be about people.

August 10, 2026 | Emmanuel Mhango

When I joined BASEflow Malawi as a Data Steward, I thought I had a fairly clear picture of what my work would involve. I expected to organize datasets, improve data quality, and publish information that could support research and decision making... [Read more...]

Why ACF Is More Than Just a Plot

August 10, 2026 | M. Fatih Tüzen

1 Introduction Two observations can have the same units, come from the same source, and still require a different kind of reasoning simply because one was recorded before the other. That is the defining feature of time series data: order c...

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The Resource Project: Tell R How Much Memory You Need

August 10, 2026 | JottR on R

Fit a cross-validated elastic net with cv.glmnet(x, y) on a design matrix that comfortably fits in memory, and the call can still fail. The reason is that the function needs several times the size of x while it runs, and nothing anywhere in your sc...

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R-Community A moderated Google Group to share R knowledge

August 10, 2026 | https://pacha.dev/blog

For R users that are just starting with R or that have been using it for years [Read more...]

Dual scaled y-axis with ggplot()

August 10, 2026 | Andrea Onofri

I have often found myself needing to plot a single graph with two y-axes having different scales. For example, this might be useful for representing temperature and rainfall data at a given location. Unfortunately, doing this with ggplot() is no...

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Institutions Are a Package Deal: What a Correlation Can’t Tell You About the Rule of Law

August 9, 2026 | Giles Dickenson-Jones

This post asks how institutions should be conceptualized and analyzed: can the rule of law (and other institutions) sensibly be examined one at a time, or do they need to be treated as parts of an interdependent system? The post Institutions Are a Package Deal: What a Correlation Can’t ...

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From Census Data to Demographic Analysis with ARcenso: A Reproducible Workflow in R

August 9, 2026 | rOpenSci

Read it in: Español. Population censuses are a key source of information for understanding the composition of populations and how they change across regions within a country. They provide essential evidence for research, the design and evaluation of public policies, and informed decision-making. Working with census data typically involves ... [Read more...]

New vignette: When to Use Anytime-Valid Inference

August 8, 2026 | Alex Fischer

Thanks to help by Michael, the next PyFixest release will ship support for safe anytime-valid inference (SAVI). A new vignette walks through when and why to use it in randomized experiments. If you (or someone in your team) have ever been tempted...

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NZ and US petrol (‘gasoline’) and diesel prices by @ellis2013nz

August 7, 2026 | free range statistics - R

This is another short, simple blog post building a chart I am going to be updating regularly as part of monitoring the impact of the slow-burn fuel crisis caused by the USA war with Iran. I have a page on this website with a few charts on the fuel cri...

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When AI coding assistants waste rather than save time

August 6, 2026 | Seascapemodels

The time savings are often offset by dead end pursuits There’s a lot of skill in using AI coding assistance in ways that are effective and actually save your time. I find in many cases, if you jump onto these tools too soon in a project, you end... [Read more...]

The GIS Research Assistant Job Has Transformed

August 6, 2026 | Seascapemodels

I realized this week that I won’t be hiring a GIS focused research assistant the same way as I used to. Claude Code is just too good at GIS in R now. I guess this happened around the release of Opus 4.7. I just hadn’t really pushed the coding ...

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Windows ARM64 comes to R-universe

August 5, 2026 | rOpenSci

Attentive package authors already noticed something new in their r-universe page over the past few weeks: R-universe has quietly started building and checking packages for Windows ARM64. https://ropensci.r-universe.dev/pdftools#checktable https://cra... [Read more...]

The Journey of {nycOpenData}: From Classroom to Community

August 5, 2026 | rOpenSci

FADE IN Nine students in the M.S. in Psychology Research program at Brooklyn College, New York City (NYC), USA are taking the course Reproducible Psychological Research, where they are learning how to code for the first time. All of them have their c... [Read more...]

Introducing the Bioconductor Student-ECR Council

August 5, 2026 | Carissa Chen

Announcing the Bioconductor Student-ECR Council From an idea that hatched during the EuroBioC2026 Birds of a Feather session, we are super excited to announce the formation of the Student-ECR Council! As a newly established Council, we aim...

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Is SAS Still Used, and Is It Worth Keeping?

August 5, 2026 | The Jumping Rivers Blog

SAS is almost 50 years old. It predates the web, and it predates most of the open source tools data teams reach for today. While old, it is not obsolete. SAS remains central to clinical research, banking, insurance and other regulated industries,...

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Cross-Validation From Scratch and a Surprise at n=100

August 4, 2026 | r on Everyday Is A School Day

Textbooks say LOOCV has the lowest bias but highest variance compared to 10 and 5-fold. Coded a K-Fold CV from scratch for learning to test that on simulated data 🔍📊 — and at n=1000 it holds up. At n=100? Not so much. 🤔 The above image was generated...

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