William M. Briggs

Geo-engineering The Climate: Durban Global Warming Conference

A group of scientists, funded generously by Big Green, which includes the Environmental Defense Fund, have released a report to coincide with the efforts of the Durban Global Warming Conference,…

Fun Statistics

Are Experts Better At Predicting Sports Than Ordinary Fans?

Today's post is over at the new and, yes, improved Edgehogs.com. Our launch was a couple of months ago. Since that time we've got a good chunk of games and…

Statistics

What Is A True Model? What Makes A Good One?: Part VI Climate Model Focus

This is a technical addendum to the main series. I would have skipped this, but Climategate 2.0 revealed many misapprehensions of verification statistics that I want to clear up, particularly…

Philosophy Statistics

What Is A True Model? What Makes A Good One?: Part V

We have in our hands (via the predictive posterior) the probabilities that Susy's GPA is less than any number between 0 and 4, given that we accept the normal model…

Philosophy Statistics

What Is A True Model? What Makes A Good One?: Part IV

In Part I we had the simplest kind of model. We complicated it in Part II, built more structure in Part III, and today finally come to the most used…

Philosophy Statistics

What Is A True Model? What Makes A Good One?: Part III

We have had two cases so far: arbitrary models for counterfactual Martians (Part I) and a deduced model for an urn holding dichotomous objects (Part II). The logic was identical…

Philosophy Statistics

What Is A True Model? What Makes A Good One?: Part II

The models in Part I might not have "felt right" to you. But if that is so it is because your diet of probability examples has been too narrowly constricted.…

Philosophy Statistics

What Is A True Model? What Makes A Good One?: Part I

The rules of logic are simple. Use whatever evidence you have, and no other, to figure the probability of a conclusion. These rules are all we need to understand what…

Briggs on How Can You Tell If You Have ESP?June 30, 2025
Spetzer, All good points. I go into many of them later in the chapter.
spetzer86 on How Can You Tell If You Have ESP?June 30, 2025
If the receiver and sender independently wrote down the guess / card with no verbal communication, it might be better.…
JH on Class 56: The Best Model!June 29, 2025
How can you make predictions in the big data era without using a model? Trust your gut.
Jonas P. Kay on Which God Are You Rejecting? David Bentley Hart’s The Experience of God, Part IJune 28, 2025
I answer all by saying you cannot get something from nothing. There is beauty in its simplicity and it is…
Johnno on England’s Mandatory Suicide & WomenJune 27, 2025
So what's the betting pool on the odds about when and in which country will be the first to perform…

William M. Briggs

How Can You Tell If You Have ESP?

Class 56: The Best Model!

Sabine Hossenfelder’s Free Will Folly & The Deadly Sin Of Reification

England’s Mandatory Suicide & Women

On The Probability Of God

Class 55: Models Vs Reality

AI & Chess Both Produce Pre-Coded Output

The Hubris Of Experts: NIH Edition

The Mathematics Of Conspiracy Theories. Part 1: Black Eye Club Example

Class 54: Exchangeability & Parameters

Over-Certainty Of Polygenic Scores

AI & The Dilemma Of Technology

What Are The Chances Thomas Jefferson & John Adams Died On The Fourth of July, 1826?

Class 53: Laplace Was Right!

Even The Woke Say Science Is Petering Out

Expert Nathan Confas: Experts Know Best

Science Claims 7% Of Adults Saw A Mass Shooting

Class 52: The Origin Of Parameters

IQ Is Not Intelligence

What Are The Chances…George Wendt Dies On Same Day Cheers Ended 32 Years Before?

Class 51: Bayes Is Only A Formula

How Can You Tell If You Have ESP?

Class 56: The Best Model!

Geo-engineering The Climate: Durban Global Warming Conference

Are Experts Better At Predicting Sports Than Ordinary Fans?

What Is A True Model? What Makes A Good One?: Part VI Climate Model Focus

What Is A True Model? What Makes A Good One?: Part V

What Is A True Model? What Makes A Good One?: Part IV

What Is A True Model? What Makes A Good One?: Part III

What Is A True Model? What Makes A Good One?: Part II

What Is A True Model? What Makes A Good One?: Part I

There Is No Culture Without Inequality: Stove 1

Impose Your Beliefs Before They Impose Theirs

Telekinesis: Ideas In Our Reenchantment & Rectification

The Physics Of Blessings: Ideas In Our Reenchantment & Rectification