Probably Overthinking It

Cancer Survival Rates Are Misleading

They just don't mean what people think they mean

Oct 27 • 

Allen Downey

5

2

The Foundation Fallacy

At Olin College recently, I met with a group from the Kyiv School of Economics who are creating a new engineering program.

Oct 22 • 

Allen Downey

1

Simpson’s What?

A recent paper that invokes Simpson's paradox turns out to be mistaken

Oct 16 • 

Allen Downey

9

September 2025

The Poincaré Problem

A Bayesian solution to a classic probability problem

Sep 25 • 

Allen Downey

2

1

Think Linear Algebra

I have published the first five chapters of Think Linear Algebra! You can read them here or follow these links to run the notebooks on Colab.

Sep 22 • 

Allen Downey

July 2025

Are Young Men Veering Right? Not really.

On most issues, gender gaps are small and not much different among young and older people

Jul 21 • 

Allen Downey

15

1

4

May 2025

Announcing Think Linear Algebra

I’ve been thinking about Think Linear Algebra for more than a decade, and recently I started working on it in earnest.

May 28 • 

Allen Downey

My very busy week

I’m not sure who scheduled ODSC and PyConUS during the same week, but I am unhappy with their decisions.

May 22 • 

Allen Downey

April 2025

Announcing Think Stats 3e

The third edition of Think Stats is on its way to the printer!

Apr 6 • 

Allen Downey

March 2025

Young Adults Want Fewer Children

The most recent data from the National Survey of Family Growth (NSFG) provides a first look at people born in the 2000s as young adults and an updated…

Mar 19 • 

Allen Downey

2

January 2025

Algorithmic Fairness

One more look at COMPAS

Jan 20 • 

Allen Downey

2

Confidence In the Press

This is the fifth in a series of excerpts from Elements of Data Science, now available from Lulu.com and online booksellers.

Jan 4 • 

Allen Downey

6