R bloggers

Linear Models in R – Part 1

July 12, 2023 | pacha.dev/blog

A step-by-step explanation of how to fit a linear model. Here we cover OLS (Ordinary Least Squares) and work with readily available R datasets to explore the relationship between vehicles’ weight and fuel efficiency. You can read more about the to... [Read more...]

Simplifying File Existence Checking in R with file.exists()

July 12, 2023 | Steven P. Sanderson II, MPH

Introduction As a programmer, you’ll often come across situations where you need to check whether a file exists before performing any operations on it. Thankfully, the R programming language provides a handy function called file.exists() that al... [Read more...]

Linear Models in R – Part 3

July 12, 2023 | pacha.dev/blog

A step-by-step explanation of how to fit a linear model. Here we cover GLMs (Generalized Linear Models) but focus on the Poisson link with a large number of fixed effects and work with datasets that we have to download and join to produce a final ... [Read more...]

Tidymodels Machine Learning: Diabetes Classification

July 12, 2023 | Boiled Data

Start Tidymodels Machine Learning: Diabetes Classification 9 July 2023 #Preliminaries: knitr::opts_chunk$set(message=FALSE, warning=FALSE, eval = FALSE) #set eval = TRUE when run first rm(list=ls()) library(tidyverse) library(tidymodels)...

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Reproducible data science with Nix

July 12, 2023 | Econometrics and Free Software

This is the first of a (hopefully) series of posts about Nix. Disclaimer: I’m a super beginner with Nix. So this series of blog posts is more akin to notes that I’m taking while learning than a super detailed tutorial. So if you’re a Nix expert and ...

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Introducing dataverifyr: A Lightweight, Flexible, and Fast Data Validation Package that Can Handle All Sizes of Data

July 12, 2023 | R | Data Shenanigans

In every data project, there should be a check that the data actually looks like what you expect it to look like. This can be as simple as stopifnot(all(data$values __ 0)), but as with everything “simple”, you typically want to have some additional features, such as cleaner error messages, ...

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Exploring Data with colMeans() in R: A Programmer’s Guide

July 11, 2023 | Steven P. Sanderson II, MPH

Introduction As a programmer, working with data is a crucial aspect of our work. In R, there are numerous functions available that simplify data analysis tasks. One such function is colMeans(), which allows us to calculate the mean of columns in... [Read more...]

Uncovering History with R – A Look at the HistData Package

July 11, 2023 | Ponne, Bruno

Introduction “Historians offer us systems of the past that are too complete, series of causes and effects that are too exact and too clear to have ever been entirely true.” Marguerite Yourcenar - Mémoires d`Hadrien (1974) Greetings, humanists,...

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Another Hopf torus

July 11, 2023 | Stéphane Laurent

Recall that a Hopf torus is a two-dimensional object in the 4D space defined by a profile curve: a closed curve on the unit sphere. When mapping it to the 3D space with the stereographic projection, we ca... [Read more...]

Setting up R

July 11, 2023 | Giles

R is a free available programming language for statistical analysis, computing and producing data visualizations. To use R as part of this course you’ll need to install ‘base R’ and R studio. Base R is free and can be installed on Windows, Mac or Linux by following the respective ‘... [Read more...]

Tree models for assessing covariate-dependent method agreement

July 11, 2023 | Achim Zeileis

New arXiv working paper introducing conditional method agreement trees (COAT) which can capture the dependency of a Bland-Altman analysis on covariates. It is ccompanied by an R implementation in the CRAN package coat. Citation ...

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Weighted probability vs. favourability

July 11, 2023 | A.M. Barbosa

Presence probability, typically obtained with presence-(pseudo)absence modelling methods like GLM, GAM, GBM or Random Forest, is conditional not only on the suitability of the environmental conditions, but also on the general prevalence (proportion of presences) of the species in the … Continue reading →

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The Hitchhiker’s Guide to GGplot2 and Plotnine Updated and With Discount

July 10, 2023 | pacha.dev/blog

R and Shiny Training: If you find this blog to be interesting, please note that I offer personalized and group-based training sessions that may be reserved through Buy me a Coffee. Additionally, I provide training services in the Spanish language ...

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A Closer Look at the R Function identical()

July 10, 2023 | Steven P. Sanderson II, MPH

Introduction In the realm of programming, R is a widely-used language for statistical computing and data analysis. Within R, there exists a powerful function called identical() that allows programmers to compare objects for exact equality. In th... [Read more...]

TidyTuesday Week 28: Global Surface Temperature

July 10, 2023 | Louise E. Sinks

Global Temperature #TidyTuesday Today’s TidyTuesday is on global surface temperatures. The source of the data is NASA GISS Surface Temperature Analysis (GISTEMP v4) and more details about this data set can be found in this published paper: Lenssen, N., G. Schmidt, J. Hansen, M. Menne, A. Persin, R. Ruedy, ... [Read more...]

Create interactive 2023 Toronto mayoral election map in R with leaflet

July 10, 2023 | Aster Hu

With the help of the internet and ChatGPT, I was able to create this interactive election map showing the top five candidates with the most votes in each ward. It took longer than expected, but it was fun to learn new things, such as working with JSON in R and ... [Read more...]

Create interactive 2023 Toronto mayoral election map in R with leaflet

July 10, 2023 | Aster Hu

An Open Source Framework for Choice Based Conjoint Experiments in R workshop

July 10, 2023 | Dariia Mykhailyshyna

Join our workshop on An Open Source Framework for Choice Based Conjoint Experiments in R, which is a part of our workshops for Ukraine series! Here’s some more info: Title:An Open Source Framework for Choice Based Conjoint Experiments in R Date: Thursday, August 10th, 18:00 – 20:00 CEST (Rome, Berlin, Paris ... [Read more...]

Testing functional specification in linear regression

July 10, 2023 | vgherard

Another one from the series on “misspecified regression models” (started with Model Misspecification and Linear Sandwiches). Intro Lately I’ve been messing around with the {lmtest} R package, a nice collection of hypothesis tests for classical linea...

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The “curse of the bye” revisited

July 10, 2023 | nsaunders

A while ago we looked at Geelong and the curse of the bye. And since the AFL media have outdone themselves this year with “curse of the bye” articles: see for example here, here, here and here, I decided to revisit the topic in more depth. If you like that ...

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

R bloggers

Linear Models in R – Part 1

Simplifying File Existence Checking in R with file.exists()

Linear Models in R – Part 3

Tidymodels Machine Learning: Diabetes Classification

Reproducible data science with Nix

Introducing dataverifyr: A Lightweight, Flexible, and Fast Data Validation Package that Can Handle All Sizes of Data

Exploring Data with colMeans() in R: A Programmer’s Guide

Uncovering History with R – A Look at the HistData Package

Another Hopf torus

Setting up R

Tree models for assessing covariate-dependent method agreement

Weighted probability vs. favourability

The Hitchhiker’s Guide to GGplot2 and Plotnine Updated and With Discount

A Closer Look at the R Function identical()

TidyTuesday Week 28: Global Surface Temperature

Create interactive 2023 Toronto mayoral election map in R with leaflet

Create interactive 2023 Toronto mayoral election map in R with leaflet

An Open Source Framework for Choice Based Conjoint Experiments in R workshop

Testing functional specification in linear regression

The “curse of the bye” revisited

R bloggers

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