William M. Briggs

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…

Statistics

US Military Fatality Statistics: Have Suicides Increased?

All statistics were gathered from this DOD site. 2010 numbers were current as of 5 June this year; they were not part of the plots below. In 1983, the year…

Neil Jordan on Class 79: Time Series ExampleFebruary 20, 2026
Does the passage of time cause ice, or does ice cause the passage of time? Mystical statistical court of appeals…
Johnno on The Importance Of Not Making DecisionsFebruary 19, 2026
But Briggs... we pay people to make decisions on our behalf... Government exists, and it MUST do SOMETHING!!! What are…
Johnno on AI Is Driving Many Crazy: Our Latest PanicFebruary 19, 2026
BRIGGS YOU FOOL OF ARTIFICIALITY! Aye Eye exists for one reason and ONE REASON ONLY! To INCREASE Shareholder Value! If…
JH on The Importance Of Not Making DecisionsFebruary 19, 2026
Maybe you mean “knowledge” instead of “belief.” When my daughter was in ninth grade, I asked her about evidence for…
gareth on AI Is Driving Many Crazy: Our Latest PanicFebruary 19, 2026
Yes "AI" is just computer models. Better - in the sense of more competent in tasks than before. This does…

William M. Briggs

Class 79: Time Series Example

The Importance Of Not Making Decisions

Don’t Take The ‘Long-Covid’ Alzheimer’s Study Seriously

AI Is Driving Many Crazy: Our Latest Panic

Class 78: The Attempt To Turn Correlation Lead Into Causation Gold In Time Series

Desperate Need For Equality: AP Exam Performance

Some Sanity: Experts Sued For Creating Gender Delusions

Why The Recent Claims Of AGI Fail: Plus, A New Test For AGI

Polar Bears Are Doing Fine: Activists, Not So Well

Impossible LSAT Statistics Question

How Women’s Equality In Democracies Changes Voting (And Everything Else)

Class 77: Trendy Trends In Time Series

Who Still Listens To AM Radio?

Scientists Invent New Name For Models: Digital Twins

What Science Says About Making Medication Mandatory

What A Winter

FDA Goes Bayes: It Should Have Gone Probability

Class 76: That’s Not Noise. That’s Signal!

AI: The Earth Is Spinning Faster & Slower (Because “Climate Change”)

Confirmation Bias In The Minneapolis Shooting

Sports Betting Is An Excellent Way To Lose Money

Class 79: Time Series Example

The Importance Of Not Making Decisions

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

M. Night Shyamalan, Mel Gibson, and John Wayne

The Two-Envelope Problem Solution: Part II

The Two-Envelope Problem Solution: Part I

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

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

How to Fool Yourself—And Others—With Statistics

US Military Fatality Statistics: Have Suicides Increased?

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