R-bloggers - Part 12

flags: Fun with Flags

April 29, 2025 | R/exams

Single-choice knowledge quiz question in which the correct flag for a country has to be selected from a list of flags. Name: flags Type: schoice Related: capitals, countrycodes Preview: Which is the fl...

[Read more...]

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...

[Read more...]

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 ...

[Read more...]

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...

[Read more...]

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 ...

[Read more...]

[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...

[Read more...]

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...

[Read more...]

‘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

[Read more...]

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...]

Character to Date conversion using lazy queries

April 24, 2025 | Author: Kurtis Smith

Problem How to convert a string with format DDMMYYYY, to a date type using lazy queries. The problem is that base r function as.Date() does not have a translatable SQL equivalent. More information on this is detailed in this sql translation art... [Read more...]

Bollinger Bands: Invesco CoinShares ETF

April 24, 2025 | Selcuk Disci

Source code: [Read more...]

Outreachy December 2024 Interns with Bioconductor

April 22, 2025 | Kate Rasheed

Introduction Open source provides an accessible platform for individuals to develop and refine their skills while collaborating on real-world projects. For tech enthusiasts with little to no experience, contributing to open-source projects is a...

[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 ...

[Read more...]

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

[Read more...]

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 ...

[Read more...]

« 1 … 10 11 12 13 14 … 2,188 »