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Arthur Charpentier

@freakonometrics.bsky.social

1.5K followers 1.4K following 380 posts

Dad of 3 & born-again mathematician. Statistician, economist, fellow actuary & data addict. Professor & researcher in Kyoto 京都. Previously in Montréal, Paris, Hong Kong, Leuven & Rennes. Full of 'satiable curtiosity https://mastodon.social/@freakonometrics .. more

Videos

Economics 34%

Mathematics 20%

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Arthur Charpentier @freakonometrics.bsky.social · 2h

la suite freakonometrics.hypotheses.org/84230 avec des simulations

Arthur Charpentier @freakonometrics.bsky.social · 2h

Joe Dator: The Centaur Scale attemptedbloggery.blogspot.com/2025/10/joe-...

Joe Dator: The Centaur Scale

Understanding the world one cartoon at a time. And other high culture. New Yorker artists are royalty here.

attemptedbloggery.blogspot.com

Arthur Charpentier @freakonometrics.bsky.social · 23h

c'est une analyse un peu sommaire... taper les maths dans un billet de blog c'est toujours un peu pénible, mais si j'ai le courage, je le ferais... ça tombe assez bien...

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Arthur Charpentier @freakonometrics.bsky.social · 23h

"La parité, comme condition d'équilibre stable non dégénéré" freakonometrics.hypotheses.org/84076

La parité, comme condition d’équilibre stable non dégénéré

Alors que le Sénat, en France, publie un rapport “femmes et sciences“, s’inquiétant de la sous-représentées des femmes dans les domaines et les carrières scientifiques (à tel point que pour l’illustra...

freakonometrics.hypotheses.org

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Arthur Charpentier @freakonometrics.bsky.social · 1d

"A Classic Graphic Reveals Nature’s Most Efficient Traveler" www.scientificamerican.com/article/a-hu... (spoiler: human on bicycle)

The Most Efficient Traveler Isn’t a Bird or a Fish—It’s You on a Bike

A famous graphic, now updated, compares locomotion in the animal kingdom

www.scientificamerican.com

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Arthur Charpentier @freakonometrics.bsky.social · 1d

"Does the news reflect what we die from?" ourworldindata.org/does-the-new...

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Arthur Charpentier @freakonometrics.bsky.social · 2d

"How far did the horizons of our first ancestors extend? In the furthest past, even the nearest ridge of hills might then have disclosed a sight no human eyes had ever seen, and every river crossed was a ford into the unknown" www.palladiummag.com/2025/10/10/m...

Mariners at the Dawn of History

www.palladiummag.com

Arthur Charpentier @freakonometrics.bsky.social · 3d

Kyoto, Fall 2025

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Arthur Charpentier @freakonometrics.bsky.social · 4d

"Class: A Guide Through the American Status System," www.thepsmiths.com/p/joint-revi...

JOINT REVIEW: Class, by Paul Fussell

Class: A Guide Through the American Status System, Paul Fussell (1983; Touchstone, 1992).

www.thepsmiths.com

Arthur Charpentier @freakonometrics.bsky.social · 4d

"After 30 years of clicking, scrolling, and optimizing pixels, websites are becoming obsolete. LLM agents will read and act for us, ending search engines, blue links, and traditional websites." www.nicolasbustamante.com/p/chatgpt-ki...

ChatGPT Killed the Web: For the Better?

After 30 years of clicking, scrolling, and optimizing pixels, websites are becoming obsolete. LLM agents will read and act for us, ending search engines, blue links, and traditional websites.

www.nicolasbustamante.com

Arthur Charpentier @freakonometrics.bsky.social · 4d

"How did we get to this place, where mirror realities have replaced shared facts? The answer has something to do with the use of algorithms to personalize social media feeds" www.nybooks.com/articles/202...

Algorithm Nation | Jacob Weisberg

Fights about digital filtering tools have turned more and more bitter. That's because of their extraordinary power to shape both political opinion and mass culture.

www.nybooks.com

Arthur Charpentier @freakonometrics.bsky.social · 4d

Nara, Fall 2025

Reposted by Arthur Charpentier, Ilya Kashnitsky, Baptiste Coulmont

Guillaume Noblet @gnoblet.bsky.social · 6d

One of my graph has just entered the "best" section of the r-graph-gallery.com with a tutorial.

Featuring a waffle chart for time series, where the subtitle serves as a colorful legend.

Thanks a lot to @yan-holtz.bsky.social and @soeundataviz.bsky.social for adding it! #rstats #dataviz #ggplot2

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Arthur Charpentier @freakonometrics.bsky.social · 6d

Kyoto, Fall 2025

Arthur Charpentier @freakonometrics.bsky.social · 6d

Kyoto, Fall 2025 (architecture)

Arthur Charpentier @freakonometrics.bsky.social · 6d

calameo.com/read/0011885826077a81e1832 😍 ou cartographier le risque inondation

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Arthur Charpentier @freakonometrics.bsky.social · 9d

Kyoto, Fall 2025

Arthur Charpentier @freakonometrics.bsky.social · 12d

Kyoto, Fall 2025

Arthur Charpentier @freakonometrics.bsky.social · 12d

Kyoto, by night, Fall 2025

Arthur Charpentier @freakonometrics.bsky.social · 13d

"Facing Up to the Democratic Recession" www.journalofdemocracy.org/articles/fac... via time.com/7321529/demo...

Facing Up to the Democratic Recession | Journal of Democracy

Democracy has been in a global recession for most of the last decade, and committed and resourceful engagement by the established democracies is necessary to reverse this trend.

www.journalofdemocracy.org

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Reposted by Arthur Charpentier

Laurent Duval (research amateur) @laurentduval.bsky.social · 14d

Remote work, optimized

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Arthur Charpentier @freakonometrics.bsky.social · 17d

Kyoto, Fall,

Arthur Charpentier @freakonometrics.bsky.social · 17d

Kyoto, Fall, botanical garden

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Arthur Charpentier @freakonometrics.bsky.social · 17d

Kyoto, Fall, botanical garden

Arthur Charpentier @freakonometrics.bsky.social · 17d

Kyoto, Fall, botanical garden

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Arthur Charpentier @freakonometrics.bsky.social · 23d

"Paysage mathématique" kits.math.cnrs.fr/node/213 "Cette illustration éclaire la diversité des mathématiques, et leurs liens avec notre environnement. L'esthétique enfantine de l'image est un choix délibéré pour attirer l'attention d'un large public" #KitsMathématiques