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Luis Eduardo San Martin

@luiseee.bsky.social
150 followers 378 following 1 posts

Data guy working in data science for international development. Also following Peruvian politics and Pokemon

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Reposted by Luis Eduardo San Martin
Dr David S Anderson @dsaarchaeology.bsky.social · 10/07/2026
Original Tweet from @Mantia: What’s something that seems obvious within your profession, but the general public seems to misunderstand?

Quote tweet from @hwitteman: That $35 that scientific journals charge you to read a paper goes 100% to the publisher, 0% to the authors. If you just email us to ask for our papers, we are allowed to send them to you for free, and we will be genuinely delighted to do so.
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Nómada norteño @el-che-renal.bsky.social · 25/06/2026
Después de una cerveza
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Amy-Leigh Shaw @diveamydive.bsky.social · 03/05/2026
Actually you know what, let me just
A still of the character Chihiro in the film “Spirited Away”. A character called No Face is offering her a pile of false gold that has been edited and overlayed with the logos of Claude, OpenAI and Grok. She is saying, “I don’t want any. I don’t need any.”
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Institute for Replication @i4replication.bsky.social · 01/04/2026
🧵1/ Our first meta-science paper (with 350+ coauthors) is published today in Nature. It presents one of the largest-ever reproducibility projects in economics & political science. Here’s what we found 👇
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Brandy Zadrozny @brandyzadrozny.bsky.social · 13/03/2026
EXCLUSIVE: A dark money group is offering influencers $1,500 for posts attacking Chicago Democratic primary candidate @katmabu.bsky.social www.ms.now/news/kat-abu...
ms.now
Dark money group offers influencers $1,500 for posts attacking Chicago Democratic primary candidate
Progressive House candidate Kat Abughazaleh told MS NOW the secretive campaign is “filled with false and defamatory claims.”
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ANXO LOPEZ🔻 @anxolopez.bsky.social · 12/03/2026
La hinchada del equipo turco 🇹🇷 Samsunspor cantando "¡Pedro Sánchez Atatürk!" en la previa a su partido contra el Rayo Vallecano. Qué fantasía estamos viviendo.
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Christopher Webb @cwebbonline.com · 17/02/2026
“I am somebody” shaped how millions of us saw ourselves as kids, including me. That message mattered. It still does. Rest in power, Jesse Jackson 🙏🏽
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KaaiLeen 🌱 @kaaileen.bsky.social · 14/02/2026
Feliz sam va lentin y esas cosas 🌾
Redraw del meme de sam va lentin
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Awkward Egg @sleepwalkingdog.bsky.social · 15/01/2026
Leonardo DiCaprio has stopped using Wikipedia.
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BITSS @ucbitss.bsky.social · 15/12/2025
We're excited to share the application for the next Research Transparency and Reproducibility Training (RT2)! Join us May 19 - 21, 2026 in Berkeley for hands-on training in open science tools and methods. Apply by Feb 8: cega.submittable.com/submit/34383...
cega.submittable.com
Center for Effective Global Action Submission Manager
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Joey Politano🏳️‍🌈 @josephpolitano.bsky.social · 05/12/2025
Another month of US transit data is just in, & DC's WMATA remains the fastest-growing major US transit agency, with ridership up 10% compared to last year! King County Metro (Seattle, +7%) & SEPTA (Philly, +5.3%) have performed well, while LA Metro & NJTransit have lost riders🧵
A graph of year on year ridership growth in the 10 largest US transit agencies
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Brian Nosek @briannosek.bsky.social · 03/12/2025
A short preprint describing our adoption of more consistent and precise use of terminology related to reproducibility, robustness, replicability, repeatability, and credibility. osf.io/preprints/me...
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Cajón de-sastre @cajondesastre.bsky.social · 23/11/2025
Como para no amargarme el domingo con la realidad nacional youtu.be/PalUsRqE5ew?...
youtu.be
Mi muñeca me habló - Julieta Venegas - 31 minutos: Calurosa Navidad
YouTube video by 31 minutos
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Crystal Lewis @cghlewis.bsky.social · 24/11/2025
If you want your work to be reproducible, you have to remember that others don't have the insider knowledge you have. You have to be explicit. This morning I was able to recreate a file made by someone else because they explicitly documented their definitions, calculations, and their assumptions. 🫶
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Retro Tech Dreams @retrotechdreams.bsky.social · 09/11/2025
Illegal operation
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Henrik Bengtsson @henrikbengtsson.bsky.social · 05/11/2025
The detectCores() apocalypse is creeping up on us 👻🐛 As more people are getting access to 128+ CPU cores, code spinning up parallel cluster with detectCores() workers fails - not enough #RStats connections available Friends, do *not* default to detectCores(), bc www.jottr.org/2022/12/05/a...
jottr.org
Please Avoid detectCores() in your R Packages
The detectCores() function of the parallel package is probably one of the most used functions when it comes to setting the number of parallel workers to use in R. In this blog post, I’ll try to explai...
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gtvtavo.bsky.social @gtvtavo.bsky.social · 11/10/2025
Juan Acevedo (el cuy)
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Sucumbe a la nutria @subetealanutria.bsky.social · 04/10/2025
Mi padre es un gran fan de este chiste y finales alternativos al del "oso hormiguero" como pez globo serpiente cascabel o (mi favorito) bacaladilla
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Yanina Welp @welpita.bsky.social · 25/09/2025
Meter una mujer más en al foto -- Dina Boluarte-- aunque no tenga aval popular, pesen sobre ella acusaciones serias de corrupción y no haya aportado nada ni a la democracia ni a la causa de las mujeres sencillamente no tiene ningún sentido. ONU mujerse, urge una rectificación, @unwomen.bsky.social
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Letterboxd @letterboxd.social · 21/09/2025
It’s their day today 🎶🕺🏻
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Thomas Lin Pedersen @thomasp85.com · 11/09/2025
I am beyond excited to announce that ggplot2 4.0.0 has just landed on CRAN. It's not every day we have a new major #ggplot2 release but it is a fitting 18 year birthday present for the package. Get an overview of the release in this blog post and be on the lookout for more in-depth posts #rstats
tidyverse.org
ggplot2 4.0.0
A new major version of ggplot2 has been released on CRAN. Find out what is new here.
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Pokémon Gems @pokemongems.bsky.social · 07/09/2025
this is a mood
Screenshot of Bulbasaur looking disappointed in new pokemon snap Screenshot of Bulbasaur looking disappointed in new pokemon snap
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Enrique Villar @elviscera.bsky.social · 31/08/2025
Justo me preguntaba si El Rayo McQueen compraría seguro de vida o vehicular.
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Michael Hobbes @michaelhobbes.bsky.social · 30/08/2025
On one hand, reducing car use reduces urban pollution. But on the other, everyone likes it and cities become more livable
Average nitrogen dioxide concentration in Paris has fallen significantlyHer proposals have faced pushback — from right-leaning politicians, a car owners’ association and suburban commuters, who say that targeting cars makes their lives more difficult.

But last month, Parisians voted in a referendum to turn an additional 500 streets over to pedestrians. A year earlier, Paris had moved to sharply increase parking fees for SUVs, forcing drivers to pay three times more than they would for smaller cars. The city has also turned a bank of the Seine from a busy artery into a pedestrian zone and banned most car traffic from the shopping boulevard of Rue de Rivoli.

Carlos Moreno, a professor at Paris 1 Panthéon-Sorbonne University and a former adviser to the city, said the French capital has developed “an urban policy based on well-being.”
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Jugo.pe @jugoperu.bsky.social · 21/08/2025
🤯 Conferencias sobre indigeneidad… ¿sin voces indígenas?🤔 Cuando los espacios “inclusivos” parecen cualquier cosa menos diversos. No te pierdas el Jugo de @ameriqo.bsky.social. 🧃Clic aquí: tinyurl.com/mr2npar7
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Our World in Data @ourworldindata.org · 20/08/2025
Gold export data suggests that Peru, one of the world’s largest producers, mines nearly as much informally as it does formally— According to official mining output records, Peru mined about 90 tonnes of gold in 2023, far ahead of any other South American country.
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Rppc @realrppc.bsky.social · 04/08/2025
Qué gusto me ha dado leer esta crítica contra un libro del "historiador" hispanista peruano más difundido. Pura destrucción. Hace tiempo, se quiere difundir el discurso de que la colonización fue un proceso de paz, amor y salvación. Toca hacerles el pare. tramacritica.pe/critica/2025...
tramacritica.pe
Creer para ver: a propósito de "Los incas hispanos"
Hace pocos días, asistí a una función de teatro para niños. En una de las escenas clave de esta conocida obra, el estrafalario protagonista, ataviado con un bastón y un sombrero de copa alta, le pide ...
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The Wonder of Tolkien @tolkienwonder.bsky.social · 27/07/2025
Tolkien’s drawing of The Lonely Mountain.
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Malte Elson @malte.the100.ci · 17/05/2025
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Randall Munroe @xkcd.com · 22/07/2025
Replication Crisis xkcd.com/3117/
4-panel comic. (1) [Person 1 with ponytail flanked by person with short hair and another person speaking into microphone at podium] PERSON 1: In the early 2010s, researchers found that many major scientific results couldn’t be reproduced. (2) PERSON 1: Over a decade into the replication crisis, we wanted to see if today’s studies have become more robust. (3) PERSON 1: Unfortunately, our replication analysis has found exactly the same problems that those 2010s researchers did. (4) [newspaper with image of speakers from previous panels] Headline: Replication Crisis Solved
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Faculti @faculti.bsky.social · 21/07/2025
How does unreliable urban transport disproportionately limit women’s access to higher education—and can infrastructure fixes close the gap? @falbav.bsky.social , @wakeforest.bsky.social , discusses: faculti.net/transport-ba... #economics
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Jon Treadway @jontreadway.bsky.social · 03/07/2025
Here are some swiftly assembled thoughts on #Metascience2025. Congratulations to the organisers. It was an excellent, full and balanced conference, bringing together many disparate strands. They threaded a complex needle really well.
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J-PAL @j-pal.bsky.social · 17/06/2025
How might irrigation affect farmers’ profits? Maria Jones, Florence Kondylis, John Loeser, and J-PAL affiliate Jeremy Magruder explore the impacts of irrigation access in Rwanda: buff.ly/WbnmXtd
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Pokémon Gems @pokemongems.bsky.social · 21/05/2025
this is so cool
Picture of a calculator showing a battle screen in the style of a pokemon gameboy game
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Pokémon Gems @pokemongems.bsky.social · 17/04/2025
praise him!
Screenshot of Pokémon Super Mystert Dungeon of a Totodile telling an Ampharos “Praise me a bit more! I did a really good job!”
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Andrew Heiss @andrew.heiss.phd · 20/03/2025
I’ve long used FiveThirtyEight’s interactive “Hack Your Way To Scientific Glory” to illustrate the idea of p-hacking when I teach statistics. But ABC/Disney killed the site earlier this month :( So I made my own with #rstats and Observable and #QuartoPub ! stats.andrewheiss.com/hack-your-way/
Screenshot of the linked Quarto website, with input checkboxes to change different conditions for a regression model that predicts economic performance based on US political party, with a reported p-value
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David McKenzie @dmckenzie.bsky.social · 19/03/2025
On the blog today, @kbeegle.bsky.social on why it is time to stop asking "who is the household head?" in surveys in developing countries. blogs.worldbank.org/en/impacteva...
blogs.worldbank.org
It is time to stop asking who is the household head
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BITSS @ucbitss.bsky.social · 19/03/2025
🎥 Missed the 2025 BITSS Annual Meeting? The full event recordings are now on YouTube! Watch this year's presentations on research transparency and reproducibility below. www.youtube.com/@berkeleyini... @tedmiguel.bsky.social @cega-uc.bsky.social @sdellavi.bsky.social
youtube.com
Berkeley Initiative for Transparency in the Social Sciences (BITSS)
The Berkeley Initiative for Transparency in the Social Sciences (BITSS) was established in 2012 to strengthen the quality of social science research and evidence used for policy-making. The initiative...
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Pokémon Gems @pokemongems.bsky.social · 16/03/2025
tumblr post about Pikachu’s original watercolor ken sugimori artwork with text reading “hello I would like Nintendo to return us to the round bean.”
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Santiago Mayer @santiagomayer.com · 16/03/2025
Someone made a Wiley E. Coyote style painted wall to see if Tesla’s autopilot would detect it and well…
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Bruno Castanho Silva @bcastanho.bsky.social · 12/03/2025
Latin American side of my feed right now watching as Canadians and Europeans find out the US might not be a beacon for freedom and democracy abroad
Scene from a movie with James Franco having a rope around his neck, about to be hanged, and asking the person next to him "First time?"
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Paulo Drinot @paulodrinot.bsky.social · 08/03/2025
This is like the (possibly apocryphal) story about the Pinochet regime banning books on cubism because they thought they were about Cuba. www.newsweek.com/military-rem...
newsweek.com
Military to remove 'Enola Gay' photos for violating DEI rules
A photo of Army biologists was on a list of images to be purged, seemingly because it mentioned they were recording data about fish that included their gender.
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Bornabrit1 @lindarothwell.bsky.social · 04/03/2025
Look what's happening at the French Embassy in Washington DC.
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Institute for Replication @i4replication.bsky.social · 03/03/2025
#GDRI_rep Update 2: I4R sent a report to the original authors for the PLOS One article "“Food insecurity and mental health of women during COVID-19: Evidence from a developing country". All authors have now emailed PLOS One to withdraw their names. osf.io/7tzek/
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Institute for Replication @i4replication.bsky.social · 24/02/2025
After being alerted about possible misconduct, the I4R are reproducing published papers that use data from a specific NGO (GDRI). This thread releases the first 2 reports and provides more information about the work and responses/statements from authors journals and journals. 🧵
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Center for Open Science @cos.io · 17/02/2025
The Metascience Alliance is launching at #Metascience2025! This new cross-sector network is building collaboration to better understand & improve the research system. We want your input! Here's how to get involved (🧵)
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AEA Data Editor @aeadata.bsky.social · 17/02/2025
Short note on provision of "raw" data in replication packages. "Raw" are data files exactly as downloaded from original source. Not renamed, not converted, not made prettier. All that is important, and is the next step, for which you provide code (or instructions). But "raw" is as "raw as it gets".
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Encyclopaedia Britannica @britannica.com · 12/02/2025
Encyclopædia Britannica will continue to use ‘Gulf of Mexico’ for a few reasons: -We serve an international audience, a majority of which is outside the U.S. -The Gulf of Mexico is an international body of water, and the U.S.’s authority to rename it is ambiguous. 🧵⬇️
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Riley Acton @riacton.bsky.social · 11/02/2025
Understanding “what works” in education is HARD and is what many of us have dedicated our professional lives to figuring out. Having some wanna-be tech bros come in and decide they know better than researchers & experts is beyond infuriating and insulting to the ed research community.
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