R-bloggers

Running aggregate on wide matrices takes loooong; use nested apply or data tables instead !

April 4, 2025 | Di Cook

The aggregate function can be very useful in R, allowing one to run a function (e.g. mean) within groups of rows, in each column in a matrix/data-frame and organize the results in an easy-to-read table. However, the function takes long to run for very ...

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Calculating the United State’s ‘reciprocal’ tariffs

April 4, 2025 | giles.dickenson.jones

Soon after Trump’s tariffs were announced, it was noted the ‘reciprocal’ tariffs looked suspiciously like the US trade deficit divided by imports. Ever the skeptic, I couldn’t believe it could be this simple, so I decided to check it out myself with the help of R and UN ...

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Resume

April 3, 2025 | Stencilled

SENTHIL THYAGARAJAN (504) 908 0008 | senthil.thyagarajan@gmail.com Portfolio: http://www.stencilled.me https://www.linkedin.com/in/senthilthyagarajan/ PROFESSIONAL EXPERIENCE Analytics Director, Mekanism, New York, NY June 2023 –Present Built real-time... [Read more...]

Resume

April 3, 2025 | Stencilled

Population pyramid plots with base R

April 3, 2025 | HighlandR

You will find the app demonstrating these pyramid plots here A brief timeline of this plot: It started off as a revised ggplot function for an internal charting package, with source data saved as parquet files. Then, because I wanted to tr... [Read more...]

See New BlueSky Statistics Features at The Quality Show and ASQ

April 2, 2025 | Bob Muenchen

BlueSky Statistics is easy-to-use software for statistics and machine learning. Behind the scenes it does all its work using the powerful R language. It can show you the code it writes, which you can modify for finer control. It comes in a free Base version and a commercial Pro version. ...

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Smart Extraction: Converting PDF Tables into Usable Data with R workshop

April 2, 2025 | Dariia Mykhailyshyna

Join our workshop on Smart Extraction: Converting PDF Tables into Usable Data with R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Smart Extraction: Converting PDF Tables into Usable Data with R Date: Thursday, May 1st, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone) Speaker: ... [Read more...]

Observable for R users

March 31, 2025 | R on Nicola Rennie

Observable is a JavaScript-based reactive programming environment, commonly used for interactive data exploration, visualisation, and dashboards. You can create and publish Observable notebooks at observablehq.com (which is also a great place to look f... [Read more...]

Bayesian proportional hazards model for a stepped-wedge design

March 31, 2025 | Keith Goldfeld

We’ve finally reached the end of the road. This is the fifth and last post in a series building up to a Bayesian proportional hazards model for analyzing a stepped-wedge cluster-randomized trial. If you are just joining in, you may want to start at ...

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Should I Use Your R Package?

March 31, 2025 | The Jumping Rivers Blog

The answer to this simple, innocuous question is: it depends. It depends on the package in question, of course. Perhaps less obviously, but just as importantly, it depends on who’s asking the question. We’re sure if we asked you about...

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April Fool’s Day, and the Pythagorean Theorem

March 31, 2025 | Jerry Tuttle

Here is a post in honor of April Fools' Day, which unlike March 14, is celebrated by countries that use either the month-day format or the day-month format. Not everyone is a math per...

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Nonlinear conformalized Generalized Linear Models (GLMs) with R package ‘rvfl’ (and other models)

March 30, 2025 | T. Moudiki

Nonlinear conformalized Generalized Linear Models (GLMs) with R package 'rvfl' (and other models) [Read more...]

RObservations #51: Download Kaggle Datasets into the R Console with {RKaggle}

March 30, 2025 | Benjamin Smith

I recently found some R code in the TidyTuesday repository which pulled data from Kaggle directly into the R console and I thought the idea was incredible! After looking around and seeing that there was no packages that already did this, I was inspired to create the {RKaggle} package which ...

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Converting arbitrarily large CSVs to Parquet with R

March 30, 2025 | Michael Mayer

How to convert that huge csv to parquet? Now in R!

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February 2025 Top 40 New CRAN Packages

March 27, 2025 | Joseph Rickert

In February, one hundred fifty-nine new packages made it to CRAN. Here are my Top 40 picks in fifteen categories: Artificial Intelligence, Computational Methods, Ecology, Genomics, Health Sciences, Mathematics, Machine Learning, Medicine, Music,... [Read more...]

rOpenSci News Digest, March 2025

March 26, 2025 | rOpenSci - open tools for open science

Dear rOpenSci friends, it’s time for our monthly news roundup! You can read this post on our blog. Now let’s dive into the activity at and around rOpenSci! rOpenSci HQ rOpenSci Champions Program 2025 In Spanish: Apply before April 30th... [Read more...]

Dealing with Duplicate Data in R workshop

March 25, 2025 | Dariia Mykhailyshyna

Join our workshop on Dealing with Duplicate Data in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Dealing with Duplicate Data in R Date: Thursday, April 25th, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone) Speaker: Erin Grand works as a freelancer and Data ... [Read more...]

FDA Compliance in Software Development: Cases Where Poor Software Quality Led to Costly FDA Rejections

March 25, 2025 | Paweł Przytuła

If you work in pharma, you know how much time and money go into drug development. The last thing you want is a painful FDA rejection, one that not only costs your company millions but also delays critical treatments for patients who need them. Regulatory rejections can happen for many ...

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checkglobals: an(other) R-package for static code analysis

March 24, 2025 | Open Analytics

Introduction An important aspect of writing an R-script or an R-package is ensuring reproducibility and maintainability of the developed code, not only for others, but also for our future selves. The modern R ecosystem provides various tools and packa...

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Collecting Stock Data Using R: A Quick Guide

March 24, 2025 | John

Collecting data can be a drudge for many tasks in economics or securities analysis. Fortunately, R has some good options available to streamline this task. Popular R Packages for Stock Data quantmod:The quantmod package is a favorite among financial analysts.It provides functions for quantitative financial modeling, including the ... [Read more...]

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