Malcolm 朝精 Barrett
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malcolmbarrett.malco.io
Malcolm 朝精 Barrett
@malcolmbarrett.malco.io
Ph.D., epidemiology. research software engineer @ Stanford Health Policy. living in Ann Arbor. open-source data science. causal inference. doing poems on aircrafts. approximately Bayesian. formerly Posit, Apple, AmeriCorps. 心を燃やせ。sic semper tyrannis.
Luckily, I’ve had a fever for two days. My brain is cooked, but I make a great heater
December 9, 2025 at 1:28 AM
Winter is an affront to all cats
December 9, 2025 at 1:25 AM
You’re a timerfluencer, Libby
November 18, 2025 at 4:06 PM
Oh shit I think the spam texters are pissed at me
November 2, 2025 at 6:29 PM
Kids in the street
October 18, 2025 at 6:15 PM
October 18, 2025 at 6:10 PM
There are three kinds of lies: lies, damned lies, and
September 29, 2025 at 2:42 PM
Casual AI is the future
August 15, 2025 at 3:31 PM
GPT-5 is like having a “team of Ph.D. level experts in your pocket.”

The Ph.D. level experts:
August 8, 2025 at 12:02 AM
And also
July 15, 2025 at 8:19 PM
July 15, 2025 at 6:31 PM
New target population just dropped
June 17, 2025 at 2:32 PM
Zuck: The average American has three friends
May 2, 2025 at 12:08 AM
That’s not what’s happening. We’re not talking about intellectually nuanced conversations with people of differing views. We’re talking about a Nazi platform full of fucking nazis. This is not hyperbole. Elon is a Nazi.
March 1, 2025 at 2:54 PM
It’s Thanksgiving in Detroit. Go Loins!!!
November 28, 2024 at 5:37 PM
A very whimsical Thanksgiving to you from Grinnin’ Barrett’s Bakery
November 28, 2024 at 4:44 PM
November 26, 2024 at 4:00 AM
WHAT’S YOUR ESTIMAND
November 26, 2024 at 1:08 AM
Got an email about a bitchin’ new ATT estimator #causalsky #eleventoqueestabaesparando
November 21, 2024 at 3:07 PM
#causalsky hell of a new new instrumental variable identified
November 15, 2024 at 6:07 PM
Learning about all the cool new diff-in-diff estimators from #econsky the past few years, but just thinking about one thing the whole time #causalsky #causalinference
October 30, 2024 at 8:38 PM
October 22, 2024 at 3:35 PM
All numbers are nerds but not all nerds are numbers.
October 4, 2024 at 1:01 PM
Oh good I found a likely real causal effect here. Scam people into improving their grips -> make money
August 15, 2024 at 12:39 AM
We are excited to be hosting Causal Inference in R Workshop at the 10th annual New York R Conference on May 15! Join us in NYC or virtually online! Get 20% off your ticket now with promo code NYR10 at rstats.ai/nyr #rstatsnyc | #rstats
April 4, 2024 at 5:41 PM