R-bloggers

Posit Connect is often the de facto platform to deploy R/Shiny applications, Python applications, and Quarto-Shiny documents. And when something goes wrong, we immediately go and visit the logs. But often the logs are walls of text that we have to scour through and when you have been coding ...

Our courses for the second half of 2024 have now been released. We have everything from the very basics of R and Python for data science, to advanced statistical modelling and machine learning. Interested in dashboards and reporting? We have cour...

There are tons of well-known global indicators. We’ve all heard of gross domestic product, life expectancy, rate of literacy, etc. But, ever since I discovered pinballmap.com, possibly the world’s most comprehensive database of public pinball locations, I’ve been thinking about a potential new global indicator: Public ...

Joins Are No Mystery Anymore: Hands-On Tutorial — Part 2Welcome back to the second part of our series, “Joins Are No Mystery Anymore: Hands-On Tutorial.” In the first part, we explored the foundational types of joins, including Inner Join, Left Join, R...

Note: Thank you Kamil Żyła for providing guidance and expertise in writing R code for this article. R, being single-threaded in nature, isn’t the fastest programming language out there. You have options when it comes to parallelism, but these often don’t reduce the runtime as much as ...

The ability to write JavaScript code is essential to creating fast, custom, highly interactive Shiny applications. Whenever you want near-instant user interaction, use browser features, or add custom server-client communication, you would reach out to JavaScript. Despite all that, the majority of JS code in Shiny apps looks… sad. As ...

The R Consortium recently interviewed Victor Lee, organizer of the Korea R User Group, about his role establishing and expanding the Korean R community. Victor shared his journey, beginning with... The post Full-time Korea R User Group Founder Victor Lee Sees AI Future for R and Quarto Textbooks appeared first ...

#187–188PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #187There are two ways of showing data and it really depends on what is the purpose of certain presentatio...

Technology stocks have risen sharply from the second half of the previous year. Perhaps the rumors of the FED probable rate cuts affected that, but I want to look closer at it. I will examine this situation with a fund based mostly on NASDAQ-100 which is known heavily for technology ...

Two roads diverged in a wood and I, I took the one less traveled by, and that has made all the difference. A little-known historical tidbit is that Robert Frost’s The Road Less Traveled - so often cited as a celebration of individuality and difficult choices - was in ...

When you use colour to denote the values of a variable in a visualisation, it’s very common to add a legend showing how the colours map to different values. If you create your charts using {ggplot2}, a legend is added automatically when you add c...

One of my goals for the simstudy package is to make it as easy as possible to generate data from a wide range of data distributions. The recent update created the possibility of generating data from a customized distribution specified in a user-defi...