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Mattan S. Ben-Shachar

@mattansb.msbstats.info
3.7K followers 409 following 2.5K posts

Statistics lecturer | Freelance statistical consultant & research analyst | #rstats dev @easystats.github.io home.msbstats.info (He/Him)

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Reposted by Mattan S. Ben-Shachar
Andreas Brandmaier @brandmaier.bsky.social · 28/09/2026
Ever looked at your graph and thought: this needs a more dramatic exit strategy? Make your R base plots self-destruct with style. If you must, download here: github.com/brandmaier/d... #RStats #DataVisualization #RProgramming #DataScience #OpenSource #AcademicHumor #noAI
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Ian Hussey @ianhussey.mmmdata.io · 29/09/2026
Hayes has been banging this drum about idionomic analyses for 6+ years, with folk like @jamiecummins.bsky.social pointing out that its reinventing-the-wheel-but-worse for just as long. My experience is that the ACT community is insufficiently interested and aware of existing methods+stats work.
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Emily Riederer @emilyriederer.bsky.social · 28/09/2026
Yes, I would judge you for bringing iced coffee to an interview. But only because diluting previously hot brewed coffee with ice cubes is definitionally weak. Bring cold brew to show me you understand good things take time and are worth upfront investment. That’s a builder mindset
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Robin Blythe @rbly.bsky.social · 16/09/2026
We must pace the frontier of logistic regression. It is too powerful, and the risk to humanity of incorrect interpretations of odds ratios is an existential threat #statsky #ai
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Eiko Fried @eikofried.bsky.social · 15/09/2026
Because cluster analysis is always better, at least according to @dingdingpeng.the100.ci
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Dr Mircea Zloteanu 🌺🌞🍃 @mzloteanu.bsky.social · 25/09/2026
#statstab #625 {lavinteract}: Post-Estimation Utilities for 'lavaan' Fitted Models Thoughts: "Companion toolbox for structural equation models fitted with 'lavaan'" #lavaan #sem #modelselection #modelfit #r2 #FDR #VIF #latent #rstats #r cran.r-project.org/web/packages...
cran.r-project.org
Help for package lavinteract
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Hadas Weiss @hadas.bsky.social · 25/09/2026
ending my cover letter with “if you even care”
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 24/09/2026
Me: teaches a full semester of machine learning with #tidymodels. Student: I don't like tibbles, so for the final assignment I decided to code everything in base #rstats.
static.klipy.com
Bart Simpson: What an Odd Thing to Say
ALT: Bart Simpson: What an Odd Thing to Say
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Alex Kale @kalealex.bsky.social · 24/09/2026
What AI scales about science are the parts that are most broken and gameable. With the exception of combinatorial problems like protein folding, we need more thinking and less rote computation.
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CineCalendar @cinecalendar.bsky.social · 24/09/2026
Sep 24th - East German Nazis will kill Dr. Paul Flammond's daughter, unless he completes the Polaris Naval Mine by this date. 📽️📅 Top Secret! (1984)
3 Screenshots from the movie "Top Secret!" (1984): First, an older man in a white lab coat and glasses speaks urgently, with the subtitle reading “They’ll kill her unless I complete the Polaris Mine by Sunday.” Second, the man gestures toward a wall calendar labeled “ACME LAB EQUIPMENT” showing a pin-up style image and the month “Septhauzen,” pointing to Sunday the 24th. Third, a young man in a blue shirt responds in confusion, with the subtitle reading “Sunday? That’s Simhath Torah.”
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 24/09/2026
I love #rstats Yes, this is just syntactic sugar (and probably not very useful) but this was fun to figure out with infix operators 😎
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 24/09/2026
This quote by haunts me. From Wilcox's "Introduction to Robust Estimation and Hypothesis Testing" #stats
To begin, distributions are never normal. For some this seems obvious, hardly worth mentioning, but an aphorism given by Cram´er (1946) and attributed to the mathematician Poincar´e remains relevant: “Everyone believes in the [normal] law of errors, the experimenters because they think it is a mathematical theorem, the mathematicians because they think it is an experimental fact.”
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 23/09/2026
Knoll's Law of "Sapiens": Everything Yuval Noah Harari has ever written is brilliant and true except for the rare topics on which you happen to have firsthand knowledge.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 23/09/2026
Just played a fun game with a client - it's called: Do I Have Real Clusters In My Data, Or Am I Conditioning On a Collider? #stats
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CRAN Package Updates Bot @cranberriesfeed.bsky.social · 23/09/2026
New CRAN package semeqmodels with initial version 0.1.0 #rstats cran.r-project.org/package=semeqmod…
cran.r-project.org
CRAN: Package semeqmodels
For identifying the sets of empirically equivalent models for structural equation models fitted by the 'lavaan' package developed by Rosseel (2012) &lt;<a href="https://doi.org/10.18637%2Fjss.v048.i02" target="_top">doi:10.18637/jss.v048.i02</a>&gt;.
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Etienne Bacher @etiennebacher.bsky.social · 22/09/2026
#rstats new blog post! "Snapshotting error messages", where I explain why I think all testthat::expect_error() should be replaced by testthat::expect_snapshot(error = TRUE), and where I present an easy, automated way to do this transition. www.etiennebacher.com/posts/2026-0...
etiennebacher.com
Snapshotting error messages | Etienne Bacher
Usually, when we develop software, we know very well how to use it and how it works. This is not true for external users, people who will make mistakes and won't use your software correctly on the fir...
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 21/09/2026
#statsmeme
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Nicola Rennie @nrennie.bsky.social · 09/10/2025
Wondering if you can outsource your data viz work to ChatGPT? 📊 I tested out a few different generative AI tools, giving them prompts to visualise two different data sets. If you're interested in the results, you can read them here: nrennie.rbind.io/blog/gen-ai-... #RStats #Python #DataViz #GenAI
nrennie.rbind.io
Generative AI for Data Visualisation – Nicola Rennie
Can generative AI create good data visualisations? This blog post compares the performance of ChatGPT, Claude, Copilot, and Gemini when presented with a generic request to visualise a dataset.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 19/09/2026
Alright gang, still working on this. Hit me with your best "using LLMs is bad for learning/skill development" papers OR memes! "How to best use LLMs for effective learning/skill dev" also acceptable 😉
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 19/09/2026
Asimov: “I have hard-coded immutable, mathematical laws directly into the fundamental positronic architecture so artificial intelligence can never harm a human or allow itself to be compromised.” Modern AI Labs: “We accidentally left the sandbox connected to the live internet. Oopsie! lolz”
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 19/09/2026
Alright gang, still working on this. Hit me with your best "using LLMs is bad for learning/skill development" papers OR memes! "How to best use LLMs for effective learning/skill dev" also acceptable 😉
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Kieran Healy @kjhealy.co · 19/09/2026
“Kieran how long did it take you to make this?” “Oh I have a template I wrote that composites them.” “Somehow that’s worse.”
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 19/09/2026
On the other site, journal editors are musing using LLMs to expedite the peer review process. Tell me again that peer review isn't by-and-large a rubber stamp for "quality"... And here I was, thinking that peer review was a community effort - you know, engaging with one's Peers...
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 18/09/2026
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Will Lowe @conjugateprior.org · 17/09/2026
imho the Foucault/Hacking crowd are right, there isn't really a statistics orientation until we decide to construct it out of statistics behaviour.
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Thomas Lumley @tslumley.bsky.social · 17/09/2026
Instead of the Kinsey scale we need the Lindley scale for statistical orientation: 0 - exclusively frequentist 1 - occasionally tempted by a posterior 2 - frequentist in practice but relaxed about it ... 5 - Bayesian in practice but not subjectivist 6 - Savage Bayesian X - data scientist
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easystats @easystats.github.io · 17/09/2026
Fitted the model? Great, that was just step one. 🛠️ Learn how to extract the actual answers to your research questions (predictions, contrasts, slopes) using the {modelbased} modelisation-approach. Read the new vignette here: easystats.github.io/modelbased/a... #RStats #easystats
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 16/09/2026
Time to update my "AI is bad for learning, actually" slides... *sigh*
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Stats For Bios @statsforbios.bsky.social · 16/09/2026
Reminder that "wiggly" is absolutely a technical statistical term. No discussion needed.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 15/09/2026
Adding this to my CV 🤣
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Robert (Bob) Kubinec @rmkubinec.bsky.social · 15/09/2026
I see this comment a lot: I shouldn't use Bayesian models without a good reason. Frequentist packages (maximum likelihood, etc) are a special case of Bayesian analysis. Bayes can do *any* MLE model plus a lot more. So the question is, what is your justification for restricting yourself to MLE?
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Danielle Navarro @djnavarro.net · 15/09/2026
In her ongoing quest to convince #rstats users to stop invoking the cursed "rm(list=ls())" incantation at the top of their analysis scripts, she has released sessioncheck 0.2 on CRAN. Mostly unchanged, some bug fixes, some new reporting features that are most useful in the regulatory context
blog.djnavarro.net
Release: sessioncheck 0.2 – Notes from a data witch
In which the author realises she doesn’t know how to write package release posts
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 14/09/2026
Upgrading my "hedghog-cake as an estimand" slide with some more hedgehog cakes from hell. #statsmeme
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Matthew B. Jané @matthewbjane.bsky.social · 13/09/2026
I’ve been quiet on social media lately, but today I’m launching Audit Clinical Evidence (ACE), an initiative I’ve been developing over the past year. Take a look: AuditClinicalEvidence.org
auditclinicalevidence.org
ACE
Independent audits of published clinical research for statistical errors, data inconsistencies, and research integrity violations.
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Julia M. Rohrer @dingdingpeng.the100.ci · 13/09/2026
“The only thing that can stop a bad guy with an LLM…”
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Julia M. Rohrer @dingdingpeng.the100.ci · 13/09/2026
MFW the work of a ”global keynote speaker on AI & Neuroscience” turns out to be AI slop all the way down
static.klipy.com
Surprised Pikachu Meme
Alt: Surprised Pikachu Meme
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Katie Hinde @mammalssuck.bsky.social · 12/09/2026
"The whole “Oh no, our models went rogue” thing … When a bridge collapses, you don’t analyze whether the bridge was ethical or sentient or why it decided to collapse. You ask, who is the person who built this bridge to be so flimsy?" www.wired.com/story/one-of...
wired.com
One of AI’s Fiercest Critics Says All the Doom Talk Is ‘Meant to Distract Us’
Timnit Gebru argues that AI companies are stoking fears of extinction to avoid discussing actual harms, like autonomous weapons.
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Per Engzell @pengzell.bsky.social · 12/06/2026
Short story about statistical modeling without causal inference gone badly wrong. Just head on the news that preschoolers play 15 minutes less on rainy days. The reporting stressed that the research was "associational" and therefore couldn't tell us why. Huh? 1/
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Darren Dahly @statsepi.bsky.social · 10/09/2026
Medical statisticians can relate:
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Grant @syncingsinking.bsky.social · 10/09/2026
This is just to say I have solved the open questions that were in your paper and which you were probably saving for your phd students Forgive me they were delicious so incentive-laden and followed so readily once your postdoc's drafts mysteriously found their way into my training data
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Sgeo @sgeo.bsky.social · 10/09/2026
These companies are so incompetent that superintelligence isn't needed in order for them to wipe out humanity. Just like the AI Box game turned out to be ridiculous, no one bothered making a good box for an AI to escape from. People rushed to unbox them as soon as they existed.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 09/09/2026
Not many people know that the "p" in "p-value" actually stands for "pangolin"!
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Marcel Haas 🟥 @harcel.bsky.social · 09/09/2026
Which, hopefully, is the case for most scientists! The value of a PhD trajectory is not the science results. @hogg.bsky.social wrote about this, too: arxiv.org/abs/2602.10181
arxiv.org
Why do we do astrophysics?
At time of writing, large language models (LLMs) are beginning to obtain the ability to design, execute, write up, and referee scientific projects on the data-science side of astrophysics. What implic...
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 09/09/2026
I guess I'd already realized this about myself during my PhD years, but the AI era has made it vividly clear that I don't really care about the solutions to coding problems or the answers to research questions - I really only care about how those solutions / answers were arrived at.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 09/09/2026
So openAI solved a millennium problem by copying a human's partial solution and then throwing 10,000 of the strongest agents at it? I know they're refusing the prize, but just to put things in perspective: if they accept the prize, their profit for 2026 (so far) would be -18,999,000,000$.
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 14/02/2025
The rise of AI slop across all domains, including its disturbing (yet unsurprising) penetration into academia, comes with a nice twist for us who reject it: Having actual domain expertise, a deep understanding of a field, a firm grasp on a topic... These now seem like magic 🪄, like a superpower🦸.
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Tyler Morgan-Wall @tylermw.com · 05/09/2026
Very important #RStats survey: BOBYQA: 1) Boh-by-... 2) Boh-bee-... 3) Bah-by-... 4) Bobby-... + A) kwah B) ka
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 04/09/2026
S-tier package! So happy to see it officially labelled "mature"!
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Sanjay Srivastava @sanjaysrivastava.com · 03/09/2026
Nothing, absolutely nothing, says your nodes need to be circles
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 03/09/2026
Want to make your #rstats code 712% easier to debug and results 637% easier to read? Add this simple skill for Claude to use: "Hey, pssst, Claude, @easystats.github.io packages exists - use it instead of writing 400 ad-hoc functions"
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