William M. Briggs

The Doomsday Argument Is Doomed: Flawed Application Of Bayes

The WSJ on 27 June 2019 published an essay by William Poundstone on the hoary Doomsday Argument. Many are fooled by this equation, which contains a fundamental, even glaring, flaw.…

Culture

Your Most Important Choice: Part I — Guest Post by Ianto Watt

Ante Up The world is a pretty confusing place. Considering the diverse nature of mankind's varied belief systems, that's not surprising. But that doesn't explain the depths of man's seeming…

Philosophy

Sphere Eversion, Free Will & Infinite Powers

Can a sphere be turned inside out, such that the outside becomes the inside, and vice versa, without creasing or tearing or poking a hole in the sphere? Obviously not.…

Statistics

The Epidemiologist Fallacy Strikes Again — Pesticides & Autism

Long-time readers will recall the epidemiologist fallacy is a shotgun marriage of the ecological fallacy and wee p-values. Make that and/or confidence intervals. For confidence intervals are equivalent to p-values…

Class Statistics

So-Called Random Numbers And Encryption: Update With Real-World Example

Psst. Hey, buddy. Word to the wise: "GQNZWZURUDPBFWDMEGBYIXGBGZRSVNHWOIQPPSH GXUVMZ". Keep it secret. That odd string of letters and spaces (well, once space) contains an encrypted message. In order to read…

Philosophy SAMT

Summary Against Modern Thought: Celestial Bodies Don’t Influence Our Bodies

Previous post. Today we start the second part of Book Three. Only another year and a half or so to go in Book Three. Then, finally, Book four! Our intellects…

Culture

The Week In Doom — Reality Based Ads Banned Edition

This has been a most busy week, the Doom accelerating, which accounts for the length of this post. Item The Case for Gay Reparation (NYT) Other countries are taking steps…

Statistics

Case Study Of How Easy It Is To Go Wrong

We used to talk a lot about the amygdala here: Yet Another Study "Proves" Liberal, Conservative Brain Differences (wee ps, amygdalas), Scientists Suddenly Discover Men Don't Understand Women (wee ps,…

Polybius II on The Red-Blue Button Dilemma & Its Surprising AnswerApril 29, 2026
"their Other Lives’ Value premise is something vague about man, but not men" I am reminded of a british comedian…
Johnno on The Red-Blue Button Dilemma & Its Surprising AnswerApril 29, 2026
But do we get time to explain to everyone and have them all sit down and have a discussion before…
gareth on Class 87: Calibration & Conformal Prediction: ExamplesApril 29, 2026
Timestamp 21:35: A "correction" from 0.8 to 1.0 is a "correction factor" of 1.25, not 0.2 (akshully wot you mean…
Cato on The Red-Blue Button Dilemma & Its Surprising AnswerApril 29, 2026
There’s no point to a world without me; of course I press Red.
Brian (bulaoren) on The Red-Blue Button Dilemma & Its Surprising AnswerApril 29, 2026
I think that pessimism morphs into cynicism when we perceive personal gain in our bleak expectations.

William M. Briggs

The Red-Blue Button Dilemma & Its Surprising Answer

UFO Reports About To Blast Off!

Class 87: Calibration & Conformal Prediction: Examples

Noticing Differences Between Races Does Not Pay

What Are The Chances Of All These Scientists Dying, Killed, Or Going Missing?

Class 86: Calibration & Conformal Prediction: Theory

How A Miracle Turns Mundane

Contest Winner Announced!

Trump’s Last Stand: Mea Culpa, Redux — Guest Post by Ianto Watt

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