Category: Rstat

Bayes in Riddler mode

A very classical (textbook) question on the Riddler on inferring the contents of an urn from an Hypergeometric experiment: You have an urn with N  red and white balls, but...continue reading.

useR! 2022 [all virtual]

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.

truncated mixtures

A question on X validated about EM steps for a truncated Normal mixture led me to ponder whether or not a more ambitious completion [more ambitious than the standard component...continue reading.

null recurrent = zero utility?

The stability result that the ratio converges holds for a Harris π-null-recurrent Markov chain for all functions f,g in L¹(π) [Meyn & Tweedie, 1993, Theorem 17.3.2] is rather fascinating. However,...continue reading.

The Mondrianomies

The Moonies are up on their mountain, the lunatics have taken over the asylum, waiting on the rapture (The Daily Mail, Radiohead) I have not write any post lately, maybe...continue reading.

extinction minus one

The riddle from The Riddler of 19 Feb. is about the Bernoulli Galton-Watson process, where each individual in the population has one or zero descendant with equal probabilities: Starting with...continue reading.

blind monty hall

As I was waiting for my boat on a French Guiana beach last week, I thought back about a recent riddle from The Riddler where an item does a random...continue reading.

triple ruin

An almost straightforward riddle from The Riddler involving a triple gambler’s ruin: Dawn competes against three players Alessandra, Berenike, and Chinue, with probabilities of winning one round ¾, ½, and...continue reading.