R-bloggers

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...

Disclaimer:While my work in this series draws inspiration from the IBCS® standards, I am not a certified IBCS® analyst or consultant. The visualizations and interpretations presented here are my personal attempts to apply these principles and may not f...

Introduction Data visualization is a crucial aspect of data analysis, allowing us to understand and communicate complex data insights effectively. Among various visualization techniques, boxplots stand out for their ability to summarize data di...

I have just finished updating my reviews of graphical user interfaces for the R language. These include BlueSky Statistics, jamovi, JASP, R AnalyticFlow, R Commander, R-Instat, Rattle, and RKward. The permanent link to the article that summarizes it all is https://r4stats.com/articles/software-reviews/r-gui-comparison/. I list the ...

Introduction to Variables in C In the world of C programming, variables play a crucial role. They are human-readable names that refer to specific memory locations where data is stored. Understanding how to declare and use variables effectively ...

Techtonique web app for data-driven decisions using Mathematics, Statistics, Machine Learning, and Data Visualization