R-bloggers - Part 10

Explained vs. Predictive Power: R², Adjusted R², and Beyond

April 29, 2025 | M. Fatih Tüzen

1 Introduction You trust R². Should you? You proudly present a model with R² = 0.95. Everyone applauds. But what if your model fails miserably on the next new data? When building a statistical model, one of the first numbers analysts and...

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surveydown: An Open-Source, Markdown-Based Platform for Interactive and Reproducible Surveys workshop

April 29, 2025 | Dariia Mykhailyshyna

Join our workshop on surveydown: An Open-Source, Markdown-Based Platform for Interactive and Reproducible Surveys, which is a part of our workshops for Ukraine series! Here’s some more info: Title:surveydown: An Open-Source, Markdown-Based Platform for Interactive and Reproducible Surveys Date: Thursday, May 29th, 18:00 – 20:00 CET (Rome, Berlin, Paris timezone) Speaker: ... [Read more...]

sumdiff: Sum Minus Difference

April 28, 2025 | R/exams

Exercise template for a very basic arithmetic task, namely computing the sum of two random numbers minus their difference. Name: sumdiff Type: num Related: deriv Preview: By how much is the sum of the ...

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Announcing… schematic

April 27, 2025 | Will Hipson

I’m thrilled to announce the release of schematic, an R package that helps you (the developer) communicate data validation problems to non-technical users. With schematic, you can leverage tidyselect selectors and other conveniences to compare i... [Read more...]

How the DSGE sausage is made

April 27, 2025 | datascienceconfidential - r

Introduction Dynamic Stochastic General Equilibrium (DSGE) models are a class of models which attempt to model the entire economy of a nation. The purpose of this post is to hand-code a DSGE model in R, fit it to data, and check that the results agree...

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rOpenSci News Digest, April 2025

April 27, 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 Event: Career Paths for U.S. Federal Data Scientists rOpenSci and O... [Read more...]

proximal sampler

April 27, 2025 | xi'an

At the Columbia workshop last week, Andre Wibisono presented work related with a recent arXival on the exponentially fast convergence of both unadjusted Langevin and proximal sampler algorithms under strong [definitely strong] log-concavity assumptions. The idea behind the proximal sampler is to target the demarginalised density by introducing an auxiliary ...

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[R] How to create errorbars with overlaid points using ggplot

April 25, 2025 | Zhenguo Zhang

Zhenguo Zhang's Blog /2025/04/26/r-how-to-create-an-error-barplot-with-overlaid-points-using-ggplot/ - library(ggplot2) library(dplyr) Sometimes you may want to create a plot with the following features: a point to indicate the mean of a group error...

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World Economic Outlook by @ellis2013nz

April 25, 2025 | free range statistics - R

This week the World Bank and International Monetary Fund “Spring Meetings” have been in progress, and a highlight is always the publication of the latest World Economic Outlook. This never fails to get a bit of press attention around the world. This ye...

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‘Bayesian’ optimization of hyperparameters in a R machine learning model using the bayesianrvfl package

April 24, 2025 | T. Moudiki

Example of use of bayesianrvfl package for Bayesian optimization of hyperparameters in a machine learning model

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Function Generators vs Partial Application in R

April 24, 2025 | Jonathan Carroll

In which I confront the way I read code in different languages, and end up wishing that R had a feature that it doesn’t. This is a bit of a thought-dump as I consider some code - please don’t take it as a criticism of any design choices; ... [Read more...]

Bollinger Bands: Invesco CoinShares ETF

April 24, 2025 | Selcuk Disci

Source code: [Read more...]

Shinyscholar – a template for producing reproducible analytic apps in R workshop

April 22, 2025 | Dariia Mykhailyshyna

Join our workshop on Shinyscholar – a template for producing reproducible analytic apps in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title: Shinyscholar – a template for producing reproducible analytic apps in R Date: Thursday, June 5th, 18:00 – 20:00 CEST (Rome, Berlin, Paris timezone) Speaker: ... [Read more...]

My Journey Learning R as a Humanities Undergrad

April 21, 2025 | Ponne, Bruno

1. A Passion for the Past Since I was a teenager, History has been one of my passions. I was very lucky in high school to have a great History teacher whom I could listen to for hours. My interest was, of course, driven by curiosity about all those ...

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A lightweight interface to scikit-learn in R: Bayesian and Conformal prediction

April 20, 2025 | T. Moudiki

Example of use of tisthemachinelearner; a lightweight interface to scikit-learn in R: Bayesian and Conformal prediction

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A lightweight interface to scikit-learn in R Pt.2: probabilistic time series forecasting in conjunction with ahead::dynrmf

April 19, 2025 | T. Moudiki

Example of use of tisthemachinelearner; a lightweight interface to scikit-learn in R: probabilistic time series forecasting in conjunction with ahead::dynrmf [Read more...]

Banking & Insurance Dataset for Data Analysis in RStudio

April 19, 2025 | Unknown

When you are working on a project involving data analysis or statistical modeling, it's crucial to understand the dataset you're using. In this guide, we'll explore a synthetic dataset created for customers in the banking and insurance sectors. Whether you're a researcher, a student, or a business analyst, understanding how ...

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Why Every Media Team Needs an Analytics Agent

April 18, 2025 | Stencilled

From dashboards to decisions — AI is now the analyst. Explore how analytics agents are transforming media teams by providing instant insights and automated analysis. [Read more...]

Why and How to Calculate Retirement Ruin Probability?

April 18, 2025 | Kamil Wais

What will you learn from this article? Jorge Guinle—the famous Brazilian playboy—died on Friday the ﬁfth of March 2004 in Rio de Janeiro. Jorge was born to one of the wealthiest families in Brazil, and he spent a large part of his life ...

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Exploring `RSQLite` With `DBI`: A Note To Myself

April 17, 2025 | r on Everyday Is A School Day

I messed around with DBI and RSQLite and learned it’s actually pretty simple to use in R - just connect, write tables, and use SQL queries without all the complicated server stuff. Thanks to Alec Wong for suggesting this! Motivation After our last blog, my friend Alec Wong suggested ...

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