THE WORLD OF DR. BAYESA WORK IN PROBABILITY · EST. 2026

WELCOME TO THE POSTERIOR ✳

Strong priors.
Weak evidence.

Meet Dr. Bayes. He questions everything—except his Saab, the bartender's credit policy, and the occasional third whiskey.

AN ILLUSTRATED FIELD GUIDE TO BEING LESS WRONG.
Dr. Bayes, a bespectacled, disheveled middle-aged intellectual, deep in thoughtFIG 01. THE SUBJECT, IN HIS NATURAL STATE.
CERTAINTY
NOT INCLUDED
THE HOUSE RULES✳Extraordinary claims require evidence.✳Whiskey improves confidence. Not accuracy.

FRESH FROM THE FORECAST / NO. 007

The Perfect
Forecast.

A flawless forecast. An executive with a perfect track record. One rather inconvenient question.

Apparently, predicting yesterday is a growth industry.

Read episode 007 PAST PERFORMANCE MAY HAVE BEEN RETROACTIVELY IMPROVED.
Full episode 007 comic: The Perfect ForecastTHE LATEST ISSUE ↗
THE BACK ISSUES

Pull up a stool.

View all episodes

Small observations about big certainties. Best enjoyed without reading the footnotes first.

PEOPLE WITH UNRELIABLE NARRATIVES

Meet the regulars.

SOME OF THEM EVEN LEARN.
Dr. Bayes portrait01
THE PROFESSIONAL SKEPTIC

Dr. Bayes

A strategist with sharp questions, questionable social skills and a regrettable attachment to a 1991 Saab.

“Compared to what?”
The bartender from the approved A Quick Learner comic02
THE UNOFFICIAL STUDENT

The Bartender

He has never studied Bayesian statistics. He understands people—and Dr. Bayes's unpaid tabs—perfectly.

“I've updated your tab.”

PROFESSOR FISHER IS EXPECTED SOON. HE'LL WANT A LARGER SAMPLE FIRST.

Dr. Bayes and the bartender at The Posterior in the first comic
THE SETTING

Welcome to
The Posterior.

Where opinions come to be updated. A neighborhood bar for statisticians, executives, consultants, and other unreliable narrators.

01 All opinions welcome.
02 Extraordinary claims require evidence.
03 Certainty costs extra.
Pull up a stool
FROM THE DESK OF DR. BAYES · CARD 001
“I reserve the right to be less wrong tomorrow.”
— Dr. Bayes
AN ONGOING EXPERIMENT

There's more
evidence coming.

New comics, occasional statistical wisdom and the continued deterioration of one very old Saab.

Explore the archive NEWSLETTER COMING SOON. NO SIGNUP UNTIL WE CAN ACTUALLY SEND IT.