R-bloggers

It was enjoyable to visualize the non-linear relationship with interaction and observe the corresponding changes in CATE. If one understands the underlying equation, it’s possible to easily obtain the ATE using calculus. Lastly, adopting Richard...

In this post, I will show you how to combine the two cool packages {usmap} and {ggpattern} to create US maps with patterns like this: And before we dive in, let me tell you that there’s also a video version of this blog post available. ...

In statistics, there are a number of classic datasets that pop up in examples, tutorials, etc. There’s the infamous iris dataset (just type iris in your nearest R prompt), the Palmer penguins (the modern iris replacement), the titanic da...

A student recently asked me how exactly the R terra::extract() function worked when using method="bilinear" to get raster values for points. The help file rightly says that ‘With “bilinear” the returned values are interpolated from the values of the four … Continue reading →

The goal of cpp11armadillo is to provide a novel approach to use the Armadillo C++ library by using the header-only cpp11 R package and to simplify things for the end-user. The idea is to pass matrices/vectors from R to C++, write pure C++/Armadi...

SatRdays London 2024 Once again, we’re partnering up with CUSP London to bring you a day of R themed talks in the centre of the UK capital. We’ll be returning to the amazing Bush House to hear experts in all things R share their knowl...

IntroductionIn the intricate world of data analysis, understanding and accurately interpreting confidence intervals is akin to mastering a crucial language. These statistical tools offer more than just a range of numbers; they provide a window into the...

tldr: I used GPT-4 Turbo, GPT-3.5 Turbo, and two open-source offline LLMs to create flashcards for a spaced repetition system (Anki) on a mathematical topic; I rated the 100 LLM-suggested flashcards (i.e., question-answer pairs) along the dimensions of truthfulness, self-containment, atomicity, whether the question-answer makes sense as a flashcard, and ...

Quick update on the 2024 R User Groups (RUGS) Program. The review of the first batch of grants is in progress, marking the beginning of the awarding phase. But there’s... The post 2024 RUGS Program Progress: Reviewing Grants and Empowering R Communities appeared first on R Consortium.

Delving into the realm of Shiny app development, the path to success often proves to be a complex and evolving landscape. Whether you’re a seasoned developer, a data enthusiast, or a tech-savvy manager, the obstacles of developing and delivering compelling applications remain. In this dynamic environment, solutions like {shiny....

It is well known, though often dismissed, that the areas of spatial units (cells, pixels) based on unprojected coordinates (longitude-latitude degrees, arc-minutes or arc-seconds) are wildly inconsistent across the globe. Towards the poles, as the longitude meridians approach each other, … Continue reading →