R-bloggers - Part 22

MiraiLabs 2024: Scale Your Analytics

October 2, 2024 | Mirai Solutions

On September 17, 2024, data science and engineering practitioners gathered at Impact Hub Zürich to attend our MiraiLabs workshop Scale Your Analytics: Leveraging Apache Spark in Python and R We’re happy to report that the event was a resounding s...

Understanding Character Variables in C: A Beginner’s Guide

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

Introduction to Character Variables in C Character variables are fundamental building blocks in C programming, serving as the foundation for text processing and string manipulation. For beginner C programmers, understanding how to work with cha...

Economic Calendar

October 1, 2024 | R - datawookie

I needed an offline copy of an economic calendar with all of the major international economic events. After grubbing around the internet I found the Economic Calendar on Myfxbook which had everything that I needed.

Automated random variable distribution inference using Kullback-Leibler divergence and simulating best-fitting distribution

October 1, 2024 | T. Moudiki

Fitting multiple continuous parametric distributions on a vector of data, use Kullback-Leibler divergence for checking distribution adequation, and simulate best-fitting distribution

Hands-On Differential Privacy [book review]

October 1, 2024 | xi'an

Hands-On Differential Privacy was published just a few months ago (from September 2024!) by (the US publisher) O’Reilly, famous for its programming and technical books with animal covers! A slate pencil sea urchin in the present case. The book is indeed classical O’Reilly’s, with lots of notes, little ...

PowerQuery Puzzle solved with R

October 1, 2024 | Numbers around us

#221–222PuzzlesAuthor: ExcelBIAll files (xlsx with puzzle and R with solution) for each and every puzzle are available on my Github. Enjoy.Puzzle #221We already had task to provide indices for some structured project, and here we go again. Once again I...

How to Split a Data Frame in R: A Comprehensive Guide for Beginners

September 30, 2024 | Steven P. Sanderson II, MPH

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...

Seal of Approval: mlr3

September 30, 2024 | Maximilian Mücke

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

Getting started with generative art

September 30, 2024 | R on Nicola Rennie

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...

A Safe Space for Learning How to Make Pull Requests

September 30, 2024 | Jonathan Carroll

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...

Examining exams using Rasch models and assessment of measurement invariance

September 30, 2024 | Achim Zeileis

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. ...

R Solution for Excel Puzzles

September 30, 2024 | Numbers around us

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 ...

Spatial modelling with GAMs in R workshop

September 30, 2024 | Dariia Mykhailyshyna

Join our workshop on Spatial modelling with GAMs in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Spatial modelling with GAMs in R Date: Thursday, October 31st, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: Sophie Lee is a statistician and educator who ... [Read more...]

Bachet’s Four Weights Problem

September 30, 2024 | John Mount

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

PowerQuery Puzzle solved with R

September 30, 2024 | Numbers around us

#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...

Mastering Data Manipulation in R: Comprehensive Guide to Stacking Data Frame Columns

September 29, 2024 | Steven P. Sanderson II, MPH

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 ...

simaerep release 0.6.0

September 29, 2024 | R on datistics

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...

Mastering Date and Time Data in R with lubridate

September 29, 2024 | M. Fatih Tüzen

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...

Noting the differences in deploying R vs Python apps on Posit Connect

September 28, 2024 | R | Discindo

I ended my previous post Using uv to manage the environment for a Python Shiny app and setting up a GitHub action to publish it to Posit Connect with: Posit Connect can only listen to branches, so the idea is to have a deploy branch which Connect publ... [Read more...]

Making R work in government

September 28, 2024 | Françoisn - [email protected]

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...

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