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Max

@oostermax.bsky.social
359 followers 1.2K following 137 posts

Epidemiologist, data scientist, wannabe randomista (derogatory). Postdoc studying (early-onset) colorectal cancer. Interested in causal inf, modelling, meta-science, policy. Sports enthusiast. All opinions my own etc. Blog at maxoosterwegel.com

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Max @oostermax.bsky.social · 29/09/2026
blog.djnavarro.net/posts/2025-0...
blog.djnavarro.net
Some notes on probability judgement – Notes from a data witch
For the love of fuck, literally nobody thinks that 20% of the population is transgender. Please stop sharing that ridiculous YouGov statistic
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Matti Vuorre @matti.vuorre.com · 14/10/2025
Against Publishing: universonline.nl/nieuws/2025/... Preprints are read, shared, and cited, yet still dismissed as incomplete until blessed by a publisher. I argue that the true measure of scholarship lies in open exchange, not in the industry’s gatekeeping of what counts as published.
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Max @oostermax.bsky.social · 31/07/2026
thanks for sharing! there’s also vincentarelbundock.github.io/Rdatasets/ from @vincentab.bsky.social if you did not know of this resource already
vincentarelbundock.github.io
A collection of datasets originally distributed in various R packages
A collection of datasets originally distributed in various R packages.
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Max @oostermax.bsky.social · 19/07/2026
Would Paraguay have done better in the final?
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Max @oostermax.bsky.social · 19/07/2026
Penalty taking and stopping skill for Spain and Argentina. Both teams have excellent penalty stoppers. Argentina got a slight edge in a shootout per my model. Expect Spain to bring in Borja Iglesias for penalties as he has one of the best shot maps around. #WC #WorldCup #ARGESP #WorldCupFinal
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Ella Brockway @ellabrockway.bsky.social · 15/07/2026
Argentina in the knockout stage of this World Cup: 1' to 67': -3 goal differential 68' onward: +8 goal differential
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Max @oostermax.bsky.social · 19/07/2026
Penalty taking and stopping skill for Spain and Argentina. Both teams have excellent penalty stoppers. Argentina got a slight edge in a shootout per my model. Expect Spain to bring in Borja Iglesias for penalties as he has one of the best shot maps around. #WC #WorldCup #ARGESP #WorldCupFinal
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Max @oostermax.bsky.social · 15/07/2026
Argentina has a slight edge too based on my models bsky.app/profile/oost...
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Max @oostermax.bsky.social · 15/07/2026
explore for yourself at penaltystats.maxoosterwegel.com
penaltystats.maxoosterwegel.com
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Max @oostermax.bsky.social · 15/07/2026
with Henderson in goal England has the edge. #WorldCup #WC2026 #ARGENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 15/07/2026
Penalty skills for England - Argentina. England have some of the best takers in Harry Kane and Ivan Toney, but Argentina has an edge in the shootout if England play Pickford instead of Henderson. #WorldCup #WC2026 #ARGENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 15/07/2026
run your own simulations at penaltystats.maxoosterwegel.com/shootout.html
penaltystats.maxoosterwegel.com
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Max @oostermax.bsky.social · 15/07/2026
based on my simulations you should prefer the best GK by quite some margin!
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Max @oostermax.bsky.social · 15/07/2026
In a penalty shoot out, which team would you pick to win? 1: best 10 pk takers in the world (eg Kane), but the worst pk GK (Begovic) 2: worst 10 pk takers (eg Chricarito) but best pk GK (eg Diego Alves). Simulation informed answer to follow! #WorldCup #WorldCup2026
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Max @oostermax.bsky.social · 15/07/2026
may be of interest to you
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Max @oostermax.bsky.social · 15/07/2026
related to the penalties: I have looked into penalties extensively and written up two blog post on it (see maxoosterwegel.com) and have made Bayesian skill estimates available for 300k players (penaltystats.maxoosterwegel.com incl so simulator!) and yes Messi is actually below average probably
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Max @oostermax.bsky.social · 14/07/2026
Penalty stats
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Max @oostermax.bsky.social · 11/07/2026
And Rice is right, England has very good penalty takers! (Also a very bad one with Ollie Watkins) #WorldCup #WC2026 #NORENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 12/07/2026
Penalty stopping skills for both teams:
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Max @oostermax.bsky.social · 11/07/2026
(sorry forgot Norway their gks)
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Max @oostermax.bsky.social · 11/07/2026
And Rice is right, England has very good penalty takers! (Also a very bad one with Ollie Watkins) #WorldCup #WC2026 #NORENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 11/07/2026
My model even suggest that England's chances of winning a shootout vs. Norway jump by 10 percentage points if Henderson is in goal instead of Pickford. #WorldCup #WC2026 #NORENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 11/07/2026
Tuchel would never do it because England has won 3 shootouts with Pickford and I imagine the media backlash would be huge if they lose (and pks are still a game of chance), but Henderson has been the better penalty stopper in his career by far. #WorldCup #WC2026 #NORENG #WorldCup2026 #FIFAWorldCup
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Max @oostermax.bsky.social · 11/07/2026
I do remember that!
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Max @oostermax.bsky.social · 10/07/2026
he likely is their best penalty stopper by far so i can see the logic beyond the coach just sticking with what he knows
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Max @oostermax.bsky.social · 10/07/2026
Note that I did not say anything on if this would help Belgium get to a shootout in the first place
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Max @oostermax.bsky.social · 10/07/2026
Penalty taking skills quite similar between Belgium and Spain #WorldCup #WC2026 #ESPBEL #FIFAWorldCup
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Max @oostermax.bsky.social · 10/07/2026
Courtois off injured for Lammens. If the match gets to pks, this may in fact increase Belgium's chances as my model gives a 63% chance that Lammens is the better pk stopper. They need every advantage they can get with Unai Simon being one of the best penalty stoppers #WorldCup #WC2026 #ESPBEL
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Max @oostermax.bsky.social · 09/07/2026
France - Morocco penalty taking and stopping skills. Two of the very best penalty stoppers with Maignan and Bounou. Both teams consist of very average penalty takers on the other hand. If they get to a shootout, we may see multiple saves. #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 09/07/2026
And bonus: all of the penalties Mbappe took in his career. #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 09/07/2026
And bonus: all of the penalties Mbappe took in his career. #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 09/07/2026
My model believes a shootout between Morocco and France would be a literal coin toss! #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 09/07/2026
Bounou and Maignan penalties faced maps. Both among the very best at both reading the taker's intention, and saving the penalty. #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 09/07/2026
France - Morocco penalty taking and stopping skills. Two of the very best penalty stoppers with Maignan and Bounou. Both teams consist of very average penalty takers on the other hand. If they get to a shootout, we may see multiple saves. #WorldCup #WC2026 #FIFAWorldCup #FRAMAR
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Max @oostermax.bsky.social · 08/07/2026
they convert at roughly the same rates on average see maxoosterwegel.com/blog/penalty... Akanji was a bad choice based on his record though see bsky.app/profile/oost...
maxoosterwegel.com
Everything you’ve (n)ever wanted to know about penalty kicks: descriptives – Max Oosterwegel -- blog
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Max @oostermax.bsky.social · 07/07/2026
maxoosterwegel.com/blog/penalty... here for your convenience :-)
maxoosterwegel.com
Everything you’ve (n)ever wanted to know about penalty kicks: statistical models – Max Oosterwegel -- blog
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Max @oostermax.bsky.social · 07/07/2026
especially because they do not convert at much lower rates on average! (see maxoosterwegel.com/blog/penalty... )
maxoosterwegel.com
Everything you’ve (n)ever wanted to know about penalty kicks: descriptives – Max Oosterwegel -- blog
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Max @oostermax.bsky.social · 07/07/2026
some of the best pk takers in the world do something like a stutter (eg Kruse, Bruno Fernandes, Lewandowski) players with stutters consistently show up as best deceivers iirc (see my blog). i would say it’s a high variance skill: some do it exceptionally well, others quite horribly bad
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Max @oostermax.bsky.social · 07/07/2026
true but hard to model that of course! though I think it’s mainly that you invite critique with a substitute. no one bar some twitter rando like me will be disappointed if you don’t make the substitution
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Max @oostermax.bsky.social · 07/07/2026
and here are the other estimated skills for both teams. Camilo Vargas is really excellent at stopping penalties! Columbia their penalty takers seem to be (sub)par. #WorldCup #WC2026 #FIFAWorldCup #SUICOL
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Max @oostermax.bsky.social · 07/07/2026
let’s hope so! what do you think about my Swiss substitution call?
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Max @oostermax.bsky.social · 07/07/2026
their penalty takers are indeed not good but their goalkeeper is very good! bsky.app/profile/oost...
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Max @oostermax.bsky.social · 07/07/2026
no goalkeeper substitution by the Swiss. this could cost them.. (or not because football)
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Max @oostermax.bsky.social · 07/07/2026
pretty much expected with the amount of money there is on the line no? also, as a fellow epidemiologist you may be interested in my statistical modeling during this WC, e.g. bsky.app/profile/oost...
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Max @oostermax.bsky.social · 07/07/2026
if Switzerland vs Columbia gets to a penalty shootout, they should bring on Keller for Kobel to increase their shootout chances by 8 percentage points (per my Monte Carlo simulation based on estimated skill levels)! #WorldCup #WC2026 #FIFAWorldCup #SUICOL
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Max @oostermax.bsky.social · 07/07/2026
and here are the other estimated skills for both teams. Camilo Vargas is really excellent at stopping penalties! Columbia their penalty takers seem to be (sub)par. #WorldCup #WC2026 #FIFAWorldCup #SUICOL
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Max @oostermax.bsky.social · 07/07/2026
and their shots faced maps for completeness sake
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Max @oostermax.bsky.social · 07/07/2026
If we get to a shootout, Switzerland would do well to sub Keller on for Kobel. My model estimates a 77% chance that Marvin Keller is the better penalty stopper. And according to a new model of mine, this could improve their chances from 39% (with Kobel) to 47% (with Keller) in the shootout! #SUICOL
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Max @oostermax.bsky.social · 07/07/2026
he spreads well which makes him harder to read, and he usually leathers it which explains why he outperforms the expected goals (no data on ball speed). the leathering may also explain your nerves?
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Max @oostermax.bsky.social · 07/07/2026
here you go!
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