William M. Briggs

Unobservable parameters abound in probability models. Why? Where do they come from? Are they needed? This is our first hardcore math lesson. You must read the written lesson today. WARNING…

Once again "IQ". We continue our quest to disabuse ourselves of the notions that "IQ" is intelligence and that one-number of summaries of intelligence are adequate. Both these contentions will…

I know I wasn't going to inflict upon you more What Are The Chances...? videos, but this was so topical, and fit in so well with the Class, that I…

Bayes's theorem, while nice, is not necessary. What counts is the relation between sets of propositions; between our assumptions and what we want to know. Bayes can even slow you…

Statues of fat ugly lumpen surly ill-kempt statues of black women, all in poses to accentuate their quarrelsome uselessness, are being placed in prominent places in the West. The Latest,…

In the 1970s the fear---there is always fear, much of it imaginary or exaggerated---was mass starvation. There were soon, they said, to be too many people, which would lead to…

I've started a new video series called What Are The Chances...? In which I'll look at oddities, curiosities, coincidences, strange and even mundane events and see what we can tell…

Independence implies causality; irrelevance is consistent with logic. A reminder that there is no such thing as unconditional probability. WARNING for those reading the email version! The text below might…