JAGS Workshop [10-14 July 2023]
Hey, JAGS users and would-be users, be warned that registration is now open for the annual JAGS workshop on probabilistic modelling for cognitive science. The tenth instalment of this workshop...continue reading.
Category: Rstat
alone in Napoli
A combinatorics puzzle from The Riddler about a Napoli solitaire where 4 x 10 cards numbered from 1 to 10 are shuffled and the game is lost when a number...continue reading.
How to Win a Game (or More) of Super Six
We use simulation to analyse the family dicing game “Super Six”. In particular we show that the person starting the game has a very high chance of winning the game....continue reading.
The Effect [book review]
While it sounds like the title of a science-fiction catastrophe novel or of a (of course) convoluted nouveau roman, this book by Nick Huntington-Klein is a massive initiation to econometrics...continue reading.
WebR IS HERE!
WebR 0.1.0 was released! I had been git-stalking George (the absolute genius who we all must thank for this) for a while and noticed the GH org and repos being...continue reading.
latest math stats exam
As I finished grading our undergrad math stats exam (in Paris Dauphine) over the weekend, which was very straightforward this year, the more because most questions had already been asked...continue reading.
Has your knowledge stopped updating?
Some years ago I read an article – I forget where – describing how our general knowledge often becomes frozen in time. Asked to name the tallest building in the...continue reading.
The Music of the Spheres
He himself could hear the harmony of the Universe, and understood the music of the spheres, and the stars which move in concert with them, and which we cannot hear...continue reading.
Those who live by ChatGPT are destined to get advice of unpredictable quality
This article is originally published at https://xianblog.wordpress.com Thanks for visiting r-craft.org This article is originally published at https://xianblog.wordpress.com Please visit source website for post related comments.continue reading.
Bayes Factors for Forensic Decision Analyses with R [book review]
My friend EJ Wagenmaker pointed me towards an entire book on the BF by Bozza (from Ca’Foscari, Venezia), Taroni and Biederman. It is providing a sort of blueprint for using...continue reading.
another drawer of socks
A socks riddle from the Riddler but with no clear ABC connection! Twenty-eight socks from fourteen pairs of socks are taken from a drawer, one by one, and laid on...continue reading.
birthday paradox, one by one
An easy riddle, riding the birthday paradox. Namely how many people on average have to sequentially enter a room for a double birthday to occur? The answer is straightforward, as...continue reading.
Editing metadata in trail camera images using R, magick and exiftool
I have a new hobby: camera traps, also known as trail cameras. Strapped to trees in my local bushland they sit in wait, firing automatically when triggered by a passing...continue reading.
Tupper’s Self Referential Formula in R
Abstract: We implement Tupper’s self-referencing formula in R. This has been done before by others, but the joy was to be able to learn how to do it yourself using...continue reading.
Common Statistical Tests in R – Part I
This post will focus on common statistical tests in R to understand and validate the relationship between two variables. There must be tons of similar tutorials around, you may be...continue reading.
Data Science Software Popularity Update
I have recently updated my extensive analysis of the popularity of data science software. This update covers perhaps the most important section, the one that measures popularity based on the...continue reading.
bayess’ back! [on CRAN]
This article is originally published at https://xianblog.wordpress.com Thanks for visiting r-craft.org This article is originally published at https://xianblog.wordpress.com Please visit source website for post related comments.continue reading.
Simulated Likelihood Ratio Tests for (Generalised) Linear Mixed Models (GLMMs)
The latest update of the DHARMa R package (0.4.6) includes an option to perform simulated likelihood ratio tests (LRTs) for GLMMs based on a parametric bootstrap. I wanted to shortly...continue reading.
optimal Gaussian zorbing
A zorbing puzzle from the Riddler: cover the plane with four non-intersecting disks of radius one towards getting the highest probability (under the standard bivariate Normal distribution). As I could...continue reading.
the Kelly criterion and then some
The Kelly criterion is a way to optimise an unlimited sequence of bets under the following circumstances: a probability p of winning each bet, a loss of a fraction a...continue reading.
