This post shows how to use the elementary theory of discrete time Markov Chains to construct a multi-state model of patients progressing through various health states in a randomized clinical trial comparing different treatments for asthma manag...

We are pleased to announce the lightning talks for this year’s Shiny in Production conference! We’ve already announced the full length talks (25 minutes each) in this blog. This blog however is all about this year’s lightning talks session (5 minutes per talk). Register now Lightning talks Andreas Wolfsbauer ...

So a critical discussion of Sankey plots floated across my feed on Bluesky recently, and one reply included an ugly example and the comment “Anybody who thought that this illustration enhanced clarity lives in an alternative reality”. The actual chart ...

2018 yılında hazırlamış olduğum R’da ggplot2 ve maps Kutuphanelerini Kullanarak Harita Cizdirmek adlı yazımda, R’da ggplot2 ve maps paketlerini kullanarak harita çizdirmeyi anlatmıştım. Yıllar içinde oldukça fazla bu yazıyla ilgili mailler aldım, ancak aldığım son mailler ...

LLM provides many advantages to the users, especially for coding. Once user had to switch the windows from the coding environment to the browser to search for the solution. But now, thanks to the newly advancements, users can chat with the LLM and get the solution for their queries on ...

R version of 'Backpropagating quasi-randomized neural networks'

According to the graph below, suggested by Fernando Leibovici, the increase in uncertainty that began in late 2024 aligns with a rise in imports, indicating that US importers accelerated their purchases as a precaution against expected tariff increases or supply chain disruptions. When we model the variables with the glmnet engine, ...

Kevin Flerlage, who is a data visualization specialist, suggested a great alternative to stacked bar plot on his blog. He called this new alternative “segmented total bar plot”. This R package ggsegmentedtotalbar implements this idea. The package is built on top of the ggplot2 package, which is a popular data ...

Pie Chart… The unloved boy of visualization family. However, it is getting popularity especially when it is in conjuction with maps. For example, the following chart was publised by to illustrate the vote distribution across the country.

The future package celebrates ten years on CRAN as of June 19, 2025. This is the first of a series of blog posts highlighting recent improvements to the futureverse ecosystem. The globals package is part of the futureverse and has had two recent rel...

There’s a little drip drip drip of scare stories about ultra-processed food (UPF) a phrase that I’d never heard until this year. I’m starting to get worried. Is everyone else worried? Well it turns out the Food Standards Agency (FSA) has been ru...

[Here is a reply to my comments on THAMES sent by the first author of the paper, Martin Metodiev. The above replica of the cover of Rivers of London is obviously unrelated with the reply or the original blog, beyond presenting a fantasy map of the Thames!] Thank you for ...

      You are probably familiar with the "Rule of 72" in investing: if an investment compounds at annual interest rate i, then the number of years for money to double is approximately 72 / i. For example, if an investmen...

It looks like a major update to {ggplot2} is coming (version 4.0.0), where Posit is switching the internals from S3 to S7. This will break many reverse dependencies of {ggplot2} (a reverse dependency is a package that depends on {ggplot2})...

A flexible hybrid approach to probabilistic stock forecasting that combines statistical model with ARCH effects, offering an alternative to traditional ARMA-GARCH models