R-bloggers

Introduction As a beginner R programmer, one of the most crucial skills you’ll need to master is data manipulation. Among the various data manipulation techniques, splitting a data frame is a fundamental operation that can significantly enhance...

mlr3 Author(s): Michel Lang, Bernd Bischl, Jakob Richter, Patrick Schratz, Martin Binder, Florian Pfisterer, Raphael Sonabend, Marc Becker, Sebastian Fischer Maintainer: Marc Becker (marcbecker@posteo.de) Seal of Approval mlr3 hex sticker ...

Last month, as part of the RSS pre-conference workshop for early career statisticians organised by the Young Statisticians Section, I delivered a workshop on Getting started with generative art. The slides from the workshop can be found online. I&rsquo...

As October rolls around once more, the term Hacktoberfest might pop across your feeds; an effort aiming to encourage people to contribute to open-source software, particularly if they’re new to that. In this post I’ll describe what I’m offering towards...

Models from psychometric item response theory are used to analyze the results from a large introductory mathematics exams in order to gain insights about student abilities, question difficulties, and heterogeneities of these in subgroups. ...

Puzzles no. 549–553PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #549We do not discriminate any people and technology in solving those tasks, but today is day of discrimination. We woke up this morning and said: we ...

More mathematical puzzling from Nina Zumel: “Bachet’s Four Weights Problem”

#219–220PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #219Somebody make request for equipment for new employees. But we have little mess here, if two devices wi...

Introduction Data manipulation is a crucial skill for any data analyst or scientist, and R provides a powerful set of tools for this purpose. One common task is stacking columns in a data frame, which can help in reshaping data for analysis or ...

Simulate patient-related events in clinical trials with the goal of detecting over and under-reporting sites. Monitoring reporting rates of patient-related events such as adverse events (AE) in clinical trials is important for patient safety. We u...

Artwork by: Allison Horst What is lubridate? lubridate is a powerful and widely-used package in the tidyverse ecosystem, specifically designed for making date-time manipulation in R both easier and more intuitive. It was created to add...

This year's Ihaka Lecture is about making R work in government. It was delivered by Peter Ellis, the Director of the Statistics for Development Division at the Pacific Community (SPC). A lot of the talk is based on very direct comparisons between R an...

Rene Descartes walks into a bar, by Jerry Tuttle I recently told the old Rene Descartes joke to a math class: Rene Descartes walks into a bar. The bartender asks, "Would you like a beer?" Descartes pauses for a moment and then replies, "I think...

This week I was in Auckland New Zealand to deliver the third and final of the 2024 series of the Ihaka Lectures, named after legendary denizen of University of Auckland’s statistics department Ross Ihaka, one of the two co-founders of the statistical c...

*This post has been written by André L. Luza & Vinicius A. G. Bastazini In the face of the current biodiversity crisis, understanding how ecological communities respond to species loss is more critical than ever. In a recent study, “Coping with Collapse: Functional Robustness of Coral-Reef Fish Network to Simulated Cascade ...

Introduction to File Manipulation in Linux Linux file manipulation is a fundamental skill for managing data efficiently. This guide will introduce you to essential commands like cp, mv, mkdir, rm, and ln, which are crucial for handling files an...

Simplifies the creation of reproducible data science environments using the ‘Nix’ package manager, as described in Dolstra (2006) . The included ‘rix()’ function generates a complete description of the environmen...