R-bloggers

A case study of AI-supported maintenance in an R package Migrating a Test Suite Going from one testing framework to another in a mature R package can be tedious and still requires some understanding of the codebase’s overall structure and goals, as...

Texte latin sur marbre noir – CC BY-NC-SA by Francisco Gonzalez Day 24 of 30DayMapChallenge: « Places and their names » (previously). BDTOPO is the most detailed topographic GIS database for France, made by IGN under a free licen...

Introduction Following the success of our first in-person Bioconductor course in Nairobi earlier this year, we continued building momentum across the continent with Ethiopia’s first Bioconductor workshop, held in Addis Ababa from 25–29 August 2...

      Most of us have probably played the game Twenty Questions. The answerer chooses something, and the other players try to guess it by asking yes or no questions. The TV show "What's My Line" is an example of this wher...

The new Google Gemini Pro 3 (AKA Nano Banana) has some pretty impressive image generation capabilities. It is very accurate to what you ask in the prompt, it can ‘ground’ image generation with web searches and it accurately renders text (most of...

Colors of Youth !! – CC BY-NC-ND by Rahul Sheel Day 21-22 of 30DayMapChallenge: « Icons » & « Natural Earth » (previously). The world as flags… Data # install.packages("grImport2") # install.packages("ggflags", #...

Introducing RPweave, a unified document system that seamlessly integrates R, Python, and LaTeX for reproducible research and professional typesetting.

Heard of Figma but not sure what it is? Seen Figma but not sure if it’s worth learning? Never seen or heard of Figma? If the answer to any of these questions is “Yes” then this blog post is for you. What are Figma and Figma Design? This is ...

Registration is now open for our first AI in Production conference, taking place on 4 and 5 June 2026 in Newcastle Upon Tyne. AI in Production is for people who want to see how AI works in day to day environments. The event brings together data s...

Coral bleaching at Heron Island – CC BY by The Ocean Agency / XL Catlin Seaview Survey / Richard Vevers Day 20 of 30DayMapChallenge: « Water » (previously). Global ocean acidification mean sea water pH trend map from Multi-Observ...

Michalská brána (second take) – CC BY-SA by Alexandre Duret-Lutz Day 19 of 30DayMapChallenge: « Projections » (previously). EPSG:3035 is a Lambert azimuthal equal-area projection used for mapping Europe at medium scale, preservin...

Mars Perseverance Sol 1681: Right Mastcam-Z Camera – PD by NASA/JPL-Caltech/ASU Day 18 of 30DayMapChallenge: « Out of this world » (previously). Perseverance is still hiking… library(dplyr) library(sf) library(ggplot2) libr...

I encountered the question today of what to do with missing values when conducting null hypothesis testing or regression? I have seen many suggest doing mean imputation. That is, simply replace any missing values with the mean of the variable cal...

Are you ready to stay ahead in the fast-evolving world of data? Join Jumping Rivers for our free monthly webinar series designed for data professionals at all levels. In just 55 minutes, you’ll gain practical insights, sharpen your skills, and ta...

Running a marathon is a big deal. It takes a lot of time to train to run a good time, and it takes a while to recover. So, if you’re chasing a marathon PB (personal best) time, you need to choose which Marathon to target wisely. How can we ...

Heatmap of the french population Day 17 of 30DayMapChallenge: « A new tool » (previously). Testing Maplibre with {mapgl}. library(dplyr) library(mapgl) library(sf) Data Using french communes population. pop st_centroid() |__ select(population) Map maplibre(center = c(5, 45), zoom = 6) |__ add_heatmap_layer( id = "pop", source = pop, heatmap_weight = interpolate( column = "population", values = ...

Johann Heinrich von Thünen (1783-1850) was a German agronomist, agricultural reformer, and textbook author. If you look his name up on the internet, you’ll find that he is best remembered for his model of land use, which seems to have made its way onto...

{talib} is a new R-package for Technical Analysis (TA) and Candlestick Pattern Recognition (Yeah, the patterns traders bet their lifesavings on….). In this post I will show basic example on how {talib} works, and how it compares performance-wise with {TTR}. Basic example In this example I will identify all ‘Harami’ ...

Finally understood TMLE’s “doubly robust” property through simulation. Works well when either outcome OR treatment model is correct. XGBoost + TMLE captured complex relationships without manual specification. It worked on simul...