Publications by R | Olivier Gimenez

Quick and dirty analysis of a Twitter social network

27.07.2021

I use R to retrieve some data from Twitter, do some exploratory data analysis and visualisation and examine a network of followers. Motivation I use Twitter to get live updates of what my follow scientists are up to, to communicate about my students’ awesome work and to share material that I hope is useful to some people1. Recently, I reached 5...

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Experimenting with machine learning in R with tidymodels and the Kaggle titanic dataset

12.08.2021

I would like to familiarize myself with machine learning (ML) techniques in R. So I have been reading and learning by doing. I thought I’d share my experience for others who’d like to give it a try1. First version August 13, 2021, updated August 23, 2021 Since my first post, I’ve been reading notebooks shared by folks who ranked high in the...

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Bayesian analysis of capture-recapture data with hidden Markov models – Theory and case studies in R

18.09.2021

So, I’m writing a book ? It”’s called “Bayesian analysis of capture-recapture data with hidden Markov models – Theory and case studies in R”. So, I'm writing a book ? It's called 'Bayesian analysis of capture-recapture data w hidden Markov models – Theory and case studies in R'. Online version here https://t.co/Crgx5NX70s to be publ...

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Draft chapter on Bayes stats and MCMC in R

19.09.2021

I have a draft chapter on Bayes stats and MCMC at https://oliviergimenez.github.io/banana-book/crashcourse.html I’d love your feedback about what is confusing and what is missing ? #rstats Related To leave a comment for the author, please follow the link and comment on their blog: R | Olivier Gimenez. R-bloggers.com offers daily e-mail upda...

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Binary image classification using Keras in R: Using CT scans to predict patients with Covid

01.01.2022

Here I illustrate how to train a CNN with Keras in R to predict from patients’ CT scans those who will develop severe illness from Covid. Motivation Michael Blum tweeted about the STOIC2021 – COVID-19 AI challenge. The main goal of this challenge is to predict from the patients’ CT scans who will develop severe disease. Given my recent inte...

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