R-bloggers

In a recent post I have shown that we can build linear combinations of model parameters (see here ). For example, if we have two parameter estimates, say Q and W, with standard errors respectively equal to \(\sigma_Q\) and \(\sigma_W\), we can build...

Ciclista atropellado – CC-BY by Nicanor Arenas Bermejo Day 20 & 21 of 30DayMapChallenge: « OpenStreetMap » and « Conflict » (previously). Mapping the accidents between bicycles and cars in 2023 in France. We have had a few sad accidents recently showing a growing attention on cyclist security and the conflicts on the road. We’ll use the Annual ...

By Fenne RiemslaghWe had the pleasure of sitting down with Kirsten Bulsink, a data scientist at the Dutch National Institute for Public Health and the Environment (RIVM). Our discussion covered her journey from pandemic response to R-package developmen...

Introduction As an R programmer, you often need to compare two columns within a data frame to identify similarities, differences, or perform various analyses. In this comprehensive guide, we’ll explore several methods to compare two columns in ...

What is the Wald Test, a method used to test the significance of individual regression coefficients, and how can it transform your regression analysis in R? Have you ever wondered how to assess the significance of specific predictors in your regression model or decide if a variable should remain in ...

 This is reposted from the original at https://blog.stephenturner.us/p/expand-your-bluesky-network-with-r.---I’m encouraging everyone I know online to join the scientific community on Bluesky.Bluesky for ScienceStephen Turner·Nov 16Read full ...

As a beginner C programmer, understanding conditional logic and small change operators is essential for writing efficient and dynamic code. In this in-depth guide, we’ll explore the power of the conditional operator (?:), increment (++), and dec...

Introduction The Vendée Globe 2024 is well under way! I wanted to see if I could try a map of the skippers with R. Follow this tutorial if you’d like to try it for yourself! Getting the data The skipper’s standings and coordinates (among o...

You can read the original post in its original format on Rtask website by ThinkR here: You’ve Been Waiting for Native Mobile Apps with R? The Wait Is Over. webR, and the next generation of app with R For the past couple of months, I’ve been sharing how ...

Introduction Combining vectors is a fundamental operation in R programming. As an R programmer, you’ll often need to merge datasets, create new variables, or prepare data for further processing. This comprehensive guide will explore various met...

Introduction As a beginner R programmer, you may often need to compare two vectors to check for equality, find common elements, or identify differences. In this article, we’ll explore various methods to compare vectors in base R, including matc...

GLMNet in Python: Generalized Linear Models

Methods for comparing spatial patterns in raster data This is the sixth part of a blog post series on comparing spatial patterns in raster data. More information about the whole series can be found in part one. The blog post series on...

So, some months ago, I spent a few hours over a few days puzzled by something that turned out to be straighforwardly written up in the Stata manual, but not easily findable anywhere else. So I want to write it up, if only to have somewhere for future m...

Table of Contents Understanding Environment Variables The printenv Command Working with set Command The export Command Using alias Command Practical Applications Your Turn! (Interactive Section) Best Practices and Common Pitfalls Quick Takeawa...