Blog · corpus.blog/blogs/statmodeling.stat.columbia.edu/posts
Andrew Gelman
statmodeling.stat.columbia.edu
2026
17 May 2026
Why are there squares everywhere in statistics (e.g., normal density, variance, least squares, etc.)?original ↗
16 May 2026
16 May 2026
“As our daily lives involve ever more sophisticated computers, we will find that ascribing little thoughts to machines will be increasingly useful in understanding how to get the most good out of them” but “we must be careful not to ascribe properties to a machine that the particular machine doesn’t have”original ↗
14 May 2026
13 May 2026
10 May 2026
More thoughts regarding comfortable, powerful people who seem willing or even eager to blow up the system.original ↗
9 May 2026
8 May 2026
David W. Hogg on why we do astrophysics (in the face of LLMs and the lack of clinical value)original ↗
7 May 2026
Is government policy actually “virtually unrelated to the desires of the low- and middle-income citizens”?original ↗
5 May 2026
4 May 2026
John Carlin says, “‘Identifying variables that independently predict…’ is not a well-defined research task”original ↗
2 May 2026
What advice do you have for this student who’s in his first year of college and interested in both statistics and political science?original ↗
1 May 2026
A study is retracted after it turns out that its authors were misrepresented as “third-party experts” even though they were actually paid by the company?original ↗
30 Apr 2026
29 Apr 2026
Taking one more swing at the foolish nudgelords who associate the Soviet Union with environmental protectionoriginal ↗
29 Apr 2026
Two Health Economists Walk into a Bar: What bothered me in that conversation of Jay Bhattacharya and Emily Osteroriginal ↗
28 Apr 2026
He’s a music educator evaluating K–12 music education systems, and he wants someone to look at his measurements and statistics.original ↗
25 Apr 2026
25 Apr 2026
Three things I forgot to say today at the National Academy of Sciences Workshop on Enhancing Scientific Integrityoriginal ↗
24 Apr 2026
Trump 1 vs. Trump 2: The role of the two other branches of government (legislative and judicial)original ↗
24 Apr 2026
If that CDC report had just included some fake citations and some crazy dietary advice, the boss would surely have approved it for publication.original ↗
22 Apr 2026
22 Apr 2026
21 Apr 2026
“I have seen the future of science. It is ruled by bitter competition instead of collaboration, pageantry instead of exploration. Bright minds beginning careers in science will be taught to debase their training for drudgerous pursuit of meaningless metrics. Those willing to toil over genuine questions will necessarily lose out to those that can furnish cheap answers. . . .”original ↗
20 Apr 2026
19 Apr 2026
17 Apr 2026
Fascinating 1981 interview with Morris Kline, author of the classic book, Mathematics: The Loss of Certaintyoriginal ↗
17 Apr 2026
14 Apr 2026
All graphs are comparisons, and the relevance of this principle to practical advice for producing better graphsoriginal ↗
12 Apr 2026
Here’s a story from Australia: There were so many problems with the survey that the government didn’t release the data.original ↗
11 Apr 2026
10 Apr 2026
8 Apr 2026
My talk at Stanford later this month: “What to do when your estimate is 1 standard error away from 0?”original ↗
7 Apr 2026
My (uninformed and completely speculative) theory about Jeff Bezos and the Washington Postoriginal ↗
6 Apr 2026
How do political organizations and politically-minded rich people translate money into media influence? Differently than they used to.original ↗
5 Apr 2026
2 Apr 2026
Shameless plug alert: Win prizes by forecasting real healthcare data to help UK’s health service save livesoriginal ↗
1 Apr 2026
Hey! Here’s a great money making opportunity using the lottery. And it’s endorsed by Google, Apple, Yahoo, Morningstar, and Microsoft!original ↗
1 Apr 2026
31 Mar 2026
These are the three ways of attacking a statistical problem (illustrated with the NFL example)original ↗
30 Mar 2026
29 Mar 2026
Should you include a list of retractions, corrections, and errors, along with a list of publications, on your CV?original ↗
28 Mar 2026
Frank Harrell on why and how to do Bayes for clinical trials and the recent FDA draft guidelinesoriginal ↗
26 Mar 2026
Why and how to do Bayes for clinical trials: Our comments on the recent FDA draft guidance, and reactions to two comments by othersoriginal ↗
26 Mar 2026
Notation corner: When you have several different expressions that are mathematically equivalent, you don’t have to choose just one!original ↗
25 Mar 2026
False claims in a widely-cited paper. No corrections. No consequences. Welcome to the Business School.original ↗
24 Mar 2026
Space mirrors: Awesome solution to our energy problems, or ridiculous public relations stunt?original ↗
22 Mar 2026
Claimed “100% sensitivity and specificity in differentiating autistic individuals from typically developing controls using retinal photographs” . . . yeah, right.original ↗
21 Mar 2026
I don’t like the Wikipedia definition of Bayesian statistics. The Merriam-Webster definition is much better!original ↗
19 Mar 2026
18 Mar 2026
“Which means that I’m qualified to write books on the topic and go on NPR regularly and give Ted talks and advise the government, but that’s about it.”original ↗
16 Mar 2026
15 Mar 2026
14 Mar 2026