William M. Briggs

Feigned Surprises of the Week: Journolist and Our New Tax

Said the main-stream journalist on Journolist, "If they of the right wing don't behave and treat our Golden Boy properly, we'll call them racists. It matters not whom we pick…

Fun Statistics

A Bust—I mean must—Read; Or, An Evolution in Bra Sizes

"Excuse me, miss. Would you care to participate in science?" Sometimes being a statistician is enviable. In a flash of scientific brilliance, Australian statisticians have just completed a massive study…

Fun Statistics

M. Night Shyamalan, Mel Gibson, and John Wayne

Part II of the Two-Envelope problem was not too friendly, so here's something that is. Via HotAir, I came across the site Marginal Revolution, in which was featured a graph…

Philosophy Statistics

The Two-Envelope Problem Solution: Part II

Read Part I first. We are in the peek first game here. The distribution of N When X is odd, and all X are discrete, we know we should always…

Philosophy Statistics

The Two-Envelope Problem Solution: Part I

Another probability "paradox", the two-envelope problem1, goes like this: Before you are two envelopes, A and B. One of them contains $X and the other $2X (which is equivalent to…

Culture Fun

Four Chords Is All You Need: The Limited Nature of Pop Music

Coming tomorrow: the infamous two-envelope problem, solved! More mathematical constructivism. But today, as it's Sunday, something light and airy...and non taxing. A "comedy rock" group which bills itself as the…

Statistics

St Petersburg Paradox; Games and Statistical Decisions; RIP David Blackwell

David Blackwell, who died two weeks ago, was one of the first mainstream statisticians to "go Bayesian." And for that and his unique skill in clearly explaining difficult ideas, we…

Statistics

How to Fool Yourself—And Others—With Statistics

See the news box to the left. I wrote this long ago and never used it. I do not love it. But since I am so busy, I haven't the…

Brendan P O'Sullivan on Class 85: Proper Scores of Model GoodnessApril 9, 2026
Bill - An opportunity to help fellow Vets! Look at the following - regarding jet fuel exposure to vets -…
Steve on Proof!April 9, 2026
You don't need a publisher. It's just Godwin's Law in action. For whatever reason, that seals the deal for most…
gareth on Proof!April 9, 2026
Read it here, please. Which I did, and recommend others do too :-)
Cloudbuster on Justice Ketanji RoarsApril 8, 2026
One logical conclusion you could draw from this is that psychology isn't medicine and therapists and psychologists should not be…
spetzer86 on Justice Ketanji RoarsApril 8, 2026
Black people are reported as having a life expectancy of 75 years in the USA. That would give us another…

William M. Briggs

Class 85: Proper Scores of Model Goodness

Proof!

Justice Ketanji Roars

Iran Has Caught Covid: A Reason For The War

Class 84: Most Important Measure of Model Goodness

There Is No Solution To Crashing Fertility: Good Times Made Soft Men

Did The Pope Really Say Health Is A “Right”?

All Models Only Say What They Are Told To Say, And AI Is A Model

It’s The End Of The World Again

Belgian Judge Wants To Arrest Little Nate Cofnast Because Cofnast Says Smart People Are Smarter Than Dumb People

Class 83: Why Were Paul Ehrlich’s Predictions So Good (and so Bad)?

The Great Effeminization of the Academy

The Only Metric That Matters: Or, Pinker’s Folly

Lancet Discovers Public Health Is Politics

Class 82: Be More Uncertain (About Models)

On Not Reading

The Great Smoothing: Another Reason Not To Fear (or trust) AI

A Synchronicity Or Coincidence? What Is Behind Curious Events?

Class 81: The Second Biggest Error In Time Series

The Paper Test Shows Why AGI Is Not Possible: And Why The Brain Is Different In Kind

Researcher Imagines Weather With No Human Influence: Concludes Climate Change Hurts Incomes