R-bloggers - Part 3

Advent of Code with data.table: Week One

December 6, 2024 | Kelly Bodwin

Happy December, R friends! One of my favorite traditions in the R community is the Advent of Code, a series of puzzles released at midnight EST from December 1st through 25th, to be solved through programming in the language of your choosing. I ...

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A Beginner’s Guide to Package Management in Linux

December 5, 2024 | Steven P. Sanderson II, MPH

Introduction As a beginner Linux user, understanding package management is crucial for installing, updating, and removing software on your system. In this comprehensive guide, we’ll explore the fundamentals of package management in Linux, cover...

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A Book Dash for the R Development Guide

December 5, 2024 | Saranjeet Kaur Bhogal

This last month of 2024 started with a lot of updates to the R Development (Dev) Guide. It has been almost 4 years since the discussions about having such a guide started during useR! 2020. The guide has come a long way since then, and there som...

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Support geocompx and the development of open-source geocomputation resources!

December 5, 2024 | Jakub Nowosad, Robin Lovelace

As 2024 comes to an end, we have things to celebrate in the geocompx community, including the completion of two books: the second edition of Geocomputation with R and the first edition of Geocomputation with Python. Both books are open-source, ca...

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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...]

Quantitative Analysis: NVIDIA

December 5, 2024 | Selcuk Disci

Although the investors do not like the pace of revenue growth, in terms of QoQ, NVIDIA’s revenue increased for the first time in five quarters. Source code: [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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How to Find Columns with All Missing Values in Base R

December 4, 2024 | Steven P. Sanderson II, MPH

Introduction When working with real-world datasets in R, it’s common to encounter missing values, often represented as NA. These missing values can impact the quality and reliability of your analyses. One important step in data preprocessing is...

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Positron vs RStudio – is it time to switch?

December 4, 2024 | The Jumping Rivers Blog

Positron is the new beta Data Science IDE from Posit. Though Posit have stressed that maintenance and development of RStudio will continue, I want to use this blog to explore if Positron is worth the switch. I’m coming at this from the R developm...

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Mastering For Loops in C: A Comprehensive Beginner’s Guide with Examples

December 3, 2024 | Steven P. Sanderson II, MPH

Introduction Loops are a fundamental concept in programming that allow you to repeat a block of code multiple times. In C, there are three types of loops: for , while, and do-while. In this article, we’ll focus on the for loop and explore how i...

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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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How to Find and Count Missing Values in R: A Comprehensive Guide with Examples

December 2, 2024 | Steven P. Sanderson II, MPH

Introduction When working with data in R, it’s common to encounter missing values, typically represented as NA. Identifying and handling these missing values is crucial for data cleaning and analysis. In this article, we’ll explore various meth...

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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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R-Universe Named R Consortium Top-Level Project

December 2, 2024 | rOpenSci - open tools for open science

We are excited to announce that R-Universe has been named the R Consortium’s newest Top-Level Project! We’re glad to be in the company of community and infrastructure projects that have been designated critical to the R Ecosystem, such as ... [Read more...]

How to Replace Missing Values in R: A Comprehensive Guide

December 1, 2024 | Steven P. Sanderson II, MPH

Introduction Are you working with a dataset in R that has missing values? Don’t worry, it’s a common issue that every R programmer faces. In this in-depth guide, we’ll cover various techniques to effectively handle and replace missing values in...

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Predicting Best Picture at the 2025 Academy Awards

December 1, 2024 | Mark White

December 1st, 2024With polling the election in my rearview, I am pivoting to: awards season! I am running back my Best Picture model that I began working on last year. I will update this page with a new entry every Sunday through the morning of th... [Read more...]

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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Simulating Ponzi schemes by @ellis2013nz

November 29, 2024 | free range statistics - R

I recently read John Cox’s 2018 book Fast Money Schemes: Hope and Deception in Papua New Guinea and gave it a rare (for me) five star rating. It’s fascinating research into those involved in the U-Vistract pyramid scheme. At the time of writing U-Vist...

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Mastering Linux: A Beginner’s Guide to Customizing the Bash Prompt

November 28, 2024 | Steven P. Sanderson II, MPH

Introduction The command line is an essential part of working with Linux, and the bash prompt is your gateway to this powerful interface. While the default prompt gets the job done, customizing it can greatly enhance your productivity and make ...

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