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Eduardo Leoni

@domleoni.bsky.social
159 followers 855 following 279 posts
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Reposted by Eduardo Leoni
William B. Fuckley @opinionhaver.bsky.social · 16/09/2026
A minimum population size for local government in general would solve literally hundreds of problems. Lots of cities should be annexed or disincorporated.
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daniel fosco @danielfos.co · 26/08/2026
Your weekly reminder that every single paid speech-to-text app on MacOS is a scam – they all cost $0 to run because they're using a free local model. Download the free handy.computer or any of the many open source alternatives and go get a coffee.
handy.computer
Handy
Handy is a cross platform, open-source, speech-to-text application for your computer
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Rodger Sherman @rodger.bsky.social · 15/08/2026
Lowkey excellent thing about Wikipedia: accurately describing the extremism and lies of right-wingers because its sole concern is provable truth, while the media tiptoes around accurately describing whats happening to avoid appearing “biased” against the extremists and liars
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Ian Hussey @ianhussey.mmmdata.io · 14/08/2026
I’ve been told for years that it’s legally and ethically impossible to share medical RCT data. In 2024, the BMJ made sharing anonymised data mandatory, and now lots* of folk do it. Interesting how the barriers evaporated like that, isn’t it? *not everyone, compliance problems exist.
medrxiv.org
Availability of clinical trial individual patient data in the BMJ before and after adoption of a stringent data-sharing policy, compared with recent rates at other major medical journals
Background In 2024, the BMJ updated its data-sharing policy for clinical trials, requiring open deposit of deidentified individual participant data (IPD) before publication. We considered whether data...
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Eduardo Leoni @domleoni.bsky.social · 12/08/2026
I just wrote to @gruber.foo . Expecting a reply? Not really. But I haven't felt this way since contacting professors about PhDs in the US at the turn of the century. It's about this snailapp.ink/manifesto.html
snailapp.ink
The Snail Manifesto
A manifesto for slow, turn-based correspondence — why a fixed schedule dissolves the guilt of the unanswered message.
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Reposted by Eduardo Leoni
Carlos Scheidegger @cscheid.net · 09/08/2026
Nail this on the fucking doors of Those People. You know who they are.
A screenshot of an excerpt from the linked document. It reads:

Of course, LLM outputs are not entirely empty of meaning. They can reason through open math problems, after all, so synthetic text must convey some valuable suggestions and correct claims. But they often fail to comply with Grice’s rules of pragmatic communication because they are not engaged in a cooperative exchange. LLMs will generate extraneous filler, add irrelevant caveats, confabulate, and compress claims beyond easy recovery. To find a nugget of meaning, the user must sift through mounds of slop—and some simply won’t bother. They’ll serve the slop unfiltered to another party, who performs this interpretive labor themselves, only to discover that the underlying meaning does not exist. When someone expects me to perform their share of this interpretive labor, I get angry. Grice’s rules are, in essence, rules of etiquette—their unwarranted violation is rude.
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Daniel Benneworth-Gray @danielgray.com · 13/07/2026
Sam Neill on tackling depression and imposter syndrome when you’re between jobs.
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Dirk Eddelbuettel @eddelbuettel.com · 11/07/2026
Norm Matloff (1948-2026) @matloff.bsky.social I was made aware of the post below made by his daughter. We lost another friend and valued long-time contributor the #Rstats community, gone far too soon, and sure to be missed. His memory will be a blessing.
Screenshot of post on X in the account of Norm Matloff in which his daughter announces his passing. Gone too soon, and sure to be missed.
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NANCY COMICS BY ERNIE BUSHMILLER @nancycomics.bsky.social · 06/07/2026
Nancy By Ernie Bushmiller June 04,1956
P1- NANCY IS RUNNING WHILE CARRYING HER CAMERA 

P2- SUDDENLY NANCY STUMPED HER TOE ON A ROCK CAUSING HER TO DROP HER CAMERA 

P3- NANCY HAS JUST LEFT A SHOP WHERE SHE HAD THE FILM IN HER CAMERA DEVELOPED , AND SHE IS PUZZLED BY A PHOTOGRAPH 

P4- NANCY HAS TAKEN A CLOSE UP OF A VERY PLEASANT LITTLE SNAIL
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Eduardo Leoni @domleoni.bsky.social · 29/06/2026
Make that a *knowledgeable* human.
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Reposted by Eduardo Leoni
Justin Wolfers @justinwolfers.bsky.social · 22/06/2026
This is not the prediction markets future any of us were hoping for. www.cnn.com/2026/06/21/b...?
cnn.com
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Eduardo Leoni @domleoni.bsky.social · 22/06/2026
1/ My kid Ly lives a long way from me. I live in Brazil, they live in the US. We love each other, but we're both bad at staying in touch. A message sits unanswered for days, sometimes weeks, and the longer it sits the heavier it gets.
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Reposted by Eduardo Leoni
Cyrus Samii @cdsamii.bsky.social · 28/05/2026
Participated in “Perspectives on External Validity” workshop yesterday, organized by @melodyyhuang.bsky.social at @ispsyale.bsky.social isps.yale.edu/events/2026/...
isps.yale.edu
ISPS Conference Workshop: “Perspectives on External Validity in the Social Sciences” | Institution for Social and Policy Studies
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Anthony Moser @anthonymoser.com · 10/04/2026
and that feeling of "oh no" then visceral revulsion settling into deep distrust? that's how it feels when someone gives me slop. like you just handed me a cup of water, and i'm looking at the sink going "....where did you find that brush"
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rOpenSci @handle.invalid · 19/05/2026
📢 The call for submissions for #LatinR2026 has been extended! There’s still time to share your projects, experiences, and work with the R community in Latin America 💜 🗓️ New deadline: June 1 ✍️ openreview.net/group?id=LATIN-R.com/2026/Conference 🔗 latinr.org 📍 […] [Original post on hachyderm.io]
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R-Podcast (Eric) @rpodcast.bsky.social · 19/05/2026
The R/Pharma Hangouts are about to get Nix-ified! We have the amazing @brodriguesco.bsky.social joining myself and Jared on May 19th to share not only the power of {rix} & {rixpress}, but also the brand-new T language for polygot data science workflows. As a Nix addict, I'm really excited 😀
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F. Javier Rubio @fjrubio.bsky.social · 18/05/2026
This change went under my radar. Heads up for #rstats users: as of devtools 2.5.0 03/2026, install_github() and all other install_*() functions are deprecated in favour of pak. Full migration guide at: devtools.r-lib.org/reference/in... #github
devtools.r-lib.org
Deprecated package installation functions — install-deprecated
These functions have been deprecated in favor of pak, as that is what we now recommend for package installation. There are a few functions which have no pak equivalent, where you can instead call the ...
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Dr Di Cook @visnut.bsky.social · 11/05/2026
Super excited to get this at my door today! Ursula Laa and my book on exploring high-d data and models is in print! Book website is www.routledge.com/Interactivel... if interested I think my 30% discount code might work for you - msg me. Time to update dicook.github.io/mulgar_book/ too! #rstats
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David Gasquez @davidgasquez.com · 14/05/2025
When people are pressured to meet a target value there are three ways they can proceed: 1) They can work to improve the system 2) They can distort the system 3) Or they can distort the data — Donald Wheeler commoncog.com/goodharts-la...
commoncog.com
Goodhart's Law Isn't as Useful as You Might Think
Goodhart's Law is useless. It tells you about a phenomenon, but it doesn't tell you how to solve it. We look at how organisations actually prevent Goodhart's Law, and illustrate this with Amazon's Wee...
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Eduardo Leoni @domleoni.bsky.social · 05/05/2026
The precursor of the programming language that fills me up with so much joy, and rage, and makes my work goes faster, while also being a f*ing time sink, is as old as I am. Feels fitting.
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Bruno Rodrigues @brodriguesco.bsky.social · 01/05/2026
I want to talk to scientists that use Python for statistics, do I know anyone that organises talks at their labs or institutions where I could give a talk ? brodrigues.co/talks.html
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Kyle Walker @kylewalker.bsky.social · 24/04/2026
spopt, an R package for spatial optimization, is now in general release on CRAN. spopt-r is inspired by the Python package of the same name. Features include: - Regionalization algorithms for building contiguous districts / territories; - Facility location solvers;
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SE Gyges @segyges.bsky.social · 23/04/2026
this is aaron swartz' opinion of lesswrong, by the way! from his lesswrong account, no less
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Julia M. Rohrer @dingdingpeng.the100.ci · 22/04/2026
Good news everyone 🥳 Our (w @vincentab.bsky.social) primer on models as prediction machines (with the marginaleffects package) is finally officially published!> journals.sagepub.com/doi/10.1177/...
journals.sagepub.com
Models as Prediction Machines: How to Convert Confusing Coefficients Into Clear Quantities - Julia M. Rohrer, Vincent Arel-Bundock, 2026
Psychological researchers usually make sense of regression models by interpreting coefficient estimates directly. This works well enough for simple linear model...
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Kieron Gillen @kierongillen.bsky.social · 11/04/2026
AI footage in the quote post. However it's a real fact, with real footage available (See my link below). Now people who believed it have a false image of how octopus act, and people who recognise it as AI question a real observed scientific fact. Utter bullshit. www.youtube.com/watch?v=RN9B...
youtube.com
Female octopuses intentionally throw debris at harassing males
YouTube video by New Scientist
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Tatyana Deryugina @tderyugina.bsky.social · 10/04/2026
Just kidding. It was an enormous waste of time and I’m so happy no one has to go through that anymore.
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Our World in Data @ourworldindata.org · 10/04/2026
Our colleague needs your help keeping a 1,200-year dataset alive! If you have botanical expertise or are based near Arashiyama, Kyoto — DM her or email tuna@ourworldindata.org.
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Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 07/04/2026
I would have preferred to have the "draw the rest of the owl" meme on the cover, but this will do. Seems like it is on schedule, and we'll leave some typos so you know we didn't write it with AI.
cover of the book "Bayesian Workflow" by Gelman, Vehtari, et al. Coming out later this year, in the summer probably.
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Nathaniel Haines @natehaines.bsky.social · 16/03/2026
ha i think so too! my favorite is the CTT and ridge regression tie in I think most folks doing ridge/penalized regression have no idea they could do the same thing (yet get a more interpretable model) via hierarchical models
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Adam Kucharski @adamjkucharski.bsky.social · 14/03/2026
How good are you at predicting how well Claude, ChatGPT and Gemini will perform on simple tasks? Here’s a little weekend quiz. We set AI tools some simple tasks and gave them 10 attempts at each one. See if you can predict the results – and then how you compare with others: quiz.wholesum.tech
quiz.wholesum.tech
Can you predict what AI will do?
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dax @thdxr.com · 10/03/2026
sent this to the team today everything great comes from being able to delay gratification for as long as possible and it feels like we're collectively losing our ability to do that
Image from X
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Charles C. Lanfear @clanfear.bsky.social · 07/03/2026
Somehow some deep wisdom in Reddit post on confronting bad research:
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Carmen Villa @carmenvillaecon.bsky.social · 02/03/2026
According to official birth registry data, in 1981 Spain had the highest sex ratio in the world (109 boys per 100 girls). Prior work attributed this anomaly to demographic/behavioural patterns. In a new WP, we show the high ratio is due to data errors 🧵with Manuel Bagues 1/n
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Eduardo Leoni @domleoni.bsky.social · 02/03/2026
Me, to my 8 year old, desperately trying to get her to bed: – You talk too much! (not my proudest dad moment) She almost instantly replies: – Well, thank you! I think I am raising her well.
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Eduardo Leoni @domleoni.bsky.social · 10/02/2026
Idle thought: Is there already a Strava "clone" based on atproto?
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Julia M. Rohrer @dingdingpeng.the100.ci · 09/02/2026
Absolutely savage, I love it.
On honesty

Dan Ariely tells us:

people behave dishonestly enough to profit but honestly enough to delude themselves of their own integrity

which tracks with claiming to want the redhead’s number because “she seemed smart.”

Also:

A little bit of dishonesty gives a taste of profit without spoiling a positive self-view.

Of course in Ariely’s case, a whole lot of dishonesty also fails to spoil the positive self-view.
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Bruno Rodrigues @brodriguesco.bsky.social · 08/02/2026
tstats-project.org
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Eduardo Leoni @domleoni.bsky.social · 05/02/2026
TIL @ezrakleinbot.bsky.social Ezra Klein's family (father's side) is Brazilian.
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Eduardo Leoni @domleoni.bsky.social · 05/02/2026
I can't stop reading the #databs tag as: #databs -> *data bs* -> *data bullshit*.
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Randy Au @randyau.com · 01/02/2026
B-b-but Algorithms!!!!!???!!??!?!!
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Xamanismo Coletivo @eliasulrich.hachyderm.io.ap.brid.gy · 27/01/2026
"I cancelled my #Claudecode subscription. I have a tendency to fixate on things and overdo it. Most of the time I can manage and keep things mostly under control, but this has the potential to do #realdamage. Worst of all, I wouldn't have anything to show for it at the end. #Codingagents have a […]
hachyderm.io
Original post on hachyderm.io
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Reposted by Eduardo Leoni
Charlie Gao @shikokuchuo.net · 26/01/2026
I merged a PR for mirai today (fixing an esoteric bug), that came with a performance boost that I'd never have thought existed. That means that on my laptop, the default (with dispatcher) round-trip performance now dips into sub-100 microseconds territory!! Get it now: `pak::pak("r-lib/mirai")`
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Bruno Rodrigues @brodriguesco.bsky.social · 25/01/2026
I give talks where I talk about reproducibility with #Nix for #RStats users (mostly researchers), any such user groups of #Python practitioners I could talk to as well?
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Tiago Peixoto @tiago.skewed.de · 22/01/2026
The nerdiest, and thus best, way of getting a bibitex entry from a DOI is by querying it directly via the command curl -LH "Accept: text/bibliography; style=bibtex" doi.org/10.1016/j.ch... The second best is just to use @zotero.org for everything.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 26/12/2025
You can specify relative position in ggplot with I(x) I(y). E.g. annotate("text", x = I(.5), y = I(.5), label = "hello!") will place the text in the middle of the plot. This, combined with alignment arguments is like 87% of the magic for me.
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Jacob T. Levy @jacobtlevy.bsky.social · 15/01/2026
!!!!!
After 48 hours of torture, Dr. Christie wrote a forced confession — “the best thing I ever wrote,” he later told the BBC, noting that he had made sure the confession included “all my recommendations to the African National Congress” about the best way to sabotage Koeberg and other facilities.

“And, gloriously, the judge read it out in court,” Dr. Christie added. “So my recommendations went from the judge’s mouth” straight to the A.N.C.
Two years later, in December 1982, Koeberg was bombed by white A.N.C. operatives who had gotten jobs at the facility. They followed Dr. Christie’s instructions to the letter.
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Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 10/01/2026
Quick (20min) non-technical overview of genetic history of Europe by my colleague Johannes Krause @mpi-eva-leipzig.bsky.social. This talk is from Nov 2025. www.youtube.com/watch?v=Iyz_...
youtube.com
CARTA: The Genetic History of Europe with Johannes Krause
YouTube video by University of California Television (UCTV)
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Macartan Humphreys @macartan.bsky.social · 08/09/2025
Please share: @alanjacobs.bsky.social and I are running a Jan '26 course at @gesis.org Cologne on 𝐂𝐚𝐮𝐬𝐚𝐥 𝐌𝐨𝐝𝐞𝐥𝐬 𝐟𝐨𝐫 𝐐𝐮𝐚𝐥𝐢𝐭𝐚𝐭𝐢𝐯𝐞 𝐚𝐧𝐝 𝐌𝐢𝐱𝐞𝐝 𝐌𝐞𝐭𝐡𝐨𝐝𝐬 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 🕵️Process tracing + Bayesian inference + graphical causal models All in two heady days. training.gesis.org?site=pDetail...
training.gesis.org
GESIS Training Courses
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Catherine Rampell @crampell.bsky.social · 27/12/2025
Actual 2025 tariff rates are, to date, far less than statutory rates, but the costs of the tariffs are mostly borne by the US – estimated tariff pass-through to US prices in 2025 is 94%. Tariffs on imports act like a 1 to 2pp tax on US manufacturing. brentneiman.com/research/GN2...
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