William M. Briggs

Certainty & Uncertainty: Logical Probability & Statistics

Since we have spent the weekend with these matters, I thought it appropriate to include the first part of the Introduction to the new book I've been working on. It…

Philosophy Statistics

More On The 1 in 1.6 Million Heat Wave Chance

Yesterday we looked at NCDC's claim that the 13-month stretch of "above-normal" temperatures had only a 1 in 1.6 million chance of occurring. Let's today clarify the criticism. The NCDC…

Philosophy Statistics

Chance Of Heat Wave Only 1 in 1.6 Million? Or, Probability Gone Wrong

My dad took a swing with his nine-iron and the wiffle simulacrum of a golf ball took flight, arched upwards, spun left and, without bouncing, landed atop my favorite blade…

Fun Statistics

How Good Are You At Making Sports Predictions?

I'm traveling today so I thought I'd remind us of ShortBurst sports, Edgehogs as was. Make picks in all major sports, even the God-help-us Olympics, and track your prognosticatory prowess.…

Statistics

Observational Bayes > Parametric Bayes > Hypothesis Testing < Looking

This is a completion of the post I started two weeks ago which shows that "predictive" or "observational" Bayes is better than classical, parametric Bayes, which is far superior to…

Culture

Rioting Is An Ecstatic, Spiritual Experience: Or, Structural Sin Made Me Do It

"Rioting"---which is to say, looting, rampaging, vandalizing, engaging in wanton mayhem and violence, and generally acting very badly---"can be, literally, an ecstatic spiritual experience." So says the is-he Right Reverend…

Culture Fun

A Depressing [Real Sad] Churchill Quotation—Contest

As I this morning scanned Facebook, I ran across the image below. Read it through and pause for a moment before continuing. Notice anything strange? I was so intrigued by…

Statistics

Does Averaging Incorrect Data Give A Result That Is Less Incorrect? Climate Modeling

Another question from the statistics mailbag: Dear Matt: I recently got into a discussion with a CAGW "believer" and of course the discussion turned to global average temperature (whatever that…

John M on Climate Change Increases Risk of Even Slower World Cup Games!June 11, 2026
The picture on the video link shows how boring the game is. There are so many people yawning and a…
_Jim on How Experts Use “Calamities” to Find Official Victims & Gain PowerJune 11, 2026
re: "How Experts Use “Calamities” to Find Official Victims & Gain Power" Having skimmed the above post, I realize my…
_Jim on How High an IQ Must A Person Have To Be Executed?June 11, 2026
re: "The only question is capacity to recognize guilt. If the perpetrator was allowed to vote in national elections, the…
_Jim on The Ultimate IQ Test: Guessing the Author’s Mind and Escaping the Infinity of AnswersJune 10, 2026
One gains a better understanding of the underpinnings of the grist (the extensions to the 'maths') behind QM (Quantum Mechanics)…
_Jim on Reader Poll: Shorter or Longer, Frequent or Rarer Posts?June 10, 2026
I echo Jean Lesperance's response ... overbooked to too many blogs these days!

William M. Briggs

Class 91: Try Not To Use the ROC Curve & AUC

Climate Change Increases Risk of Even Slower World Cup Games!

The Ultimate IQ Test: Guessing the Author’s Mind and Escaping the Infinity of Answers

Reader Poll: Shorter or Longer, Frequent or Rarer Posts?

No Model Will Save Us: Pope Leo, the Miserostat, and AI’s Woke Coders

How High an IQ Must A Person Have To Be Executed?

Class 90: Simple (Optimal) Decisions

Shocking Abortion Numbers: Death Distributions Show We’re Living Longer

Blessed Memorial Day; No Class; See You Wednesday

Why There Are (Probably) No UFOs: “Climate Change”

Creating Microbial Monsters To Terrorize Ourselves

Class 89: The Measure Most Modelers Forget: Skill Examples

The Shocking Conclusion of the HR Trilemma!

The HR Trilemma: Which Door Decides Your Fate?

Capital Punishment Deters Crime More Than The Death Penalty

How Experts Use “Calamities” to Find Official Victims & Gain Power

Richard Dawkins, The Big Muscles Fallacy & AI Pachinko

Class 88: The Most Neglected Concept: Skill

The Red-Blue Button Dilemma & Its Surprising Answer

UFO Reports About To Blast Off!

Class 87: Calibration & Conformal Prediction: Examples