Bachet’s Four Weights Problem

December 5, 2024 | Nina Zumel

Here’s another puzzle from Henry Dudeney’s article “The World’s Best Puzzles,” The Strand Magazine, December 1908. According to Dudeney, this puzzle is originally from Problèmes plaisans et délectables qui se font par les nombres (Pleasant and d...
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{SLmetrics}: Machine Learning performance evaluation on steroids

December 5, 2024 | Serkan Korkmaz

Introduction {SLmetrics} is a low-level R package designed for efficient performance evaluation in supervised AI/ML tasks. By leveraging {Rcpp} and {RcppEigen}, it ensures fast execution and memory efficiency, making it ideal for handling large-scale datasets. Built on the robust S3 class system, {SLmetrics} integrates seamlessly with stable R packages, ... [Read more...]

Predicting Water Quality in New York Harbor

December 4, 2024 | Art Steinmetz

Motivation This is an exercise in using machine learning to predict the level of harmful bacteria in New York Harbor based on environmental factors like tidal conditions, rainfall and location. Among the reasons this is useful is understanding how to rebuild a marine life ecosystem in the harbor, where oysters ...
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Nuevo canal de Youtube: Programación en R

December 3, 2024 | Teoten

Nuevo canal sobre programación en R en Español: https://www.youtube.com/@teoten.programando Teoten Programando es un canal donde aprender a programar es accesible, relajado y libre de complicaciones. Aquí encontrarás tutoriales claros y práctic... [Read more...]

Tackling Advent of Code

December 3, 2024 | Netherlands eScience Center

By Ewan CahenAdvent of Code 2024 has started this week! If you are not familiar with Advent of Code, it’s an annual coding challenge created by Eric Wastl. It’s like an advent calendar for coding challenges containing 25 daily programming puzzles, rele...
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Introducing the {messy} package

December 2, 2024 | R on Nicola Rennie

When teaching examples using R, instructors often use nice datasets, but these aren’t very realistic, and aren’t what students will later encounter in the real world. Real datasets have typos, missing values encoded in strange ways, and wei...
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Codes postaux

November 30, 2024 | Michael

Yellow post box – CC-BY-SA by Elliott Brown Day 30 of 30DayMapChallenge: « The final map » (previously). Creating a raw polygon layer of french postal codes from points This data, although not a “real” administrative lim...
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