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Rasmus Klokker

@rasmusklokker.bsky.social
43 followers 141 following 19 posts

researcher at VIVE. Studying teacher sorting and mashing buttons in #rstats, trying to make to make it all work with a large dose of coffee.

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Reposted by Rasmus Klokker
Robert (Bob) Kubinec @rmkubinec.bsky.social · 11/08/2026
Some lovely work by Peter Enns 👇 A major political science finding overturned by: 1) Simpson's paradox (i.e. collider bias) caused by 2) Dichotomization In this case, measurement & causal inference are closely linked--as they often are. medium.com/3streams/one...
medium.com
One of the Most Prominent Findings in Political Science Might Be Wrong
Which means your voice matters more than you’ve been told!
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Klaus Pforr @klauspforr.eurosky.social · 14/07/2026
Interesting paper on how publication metrics distort research effort. The author exploits a reform in Thailand in 2019, which nudges researchers to publish in Q1 rank journals. Bunching at the cutoff shows that researchers follow incentives, at the expense of quality docs.iza.org/dp18680.pdf
docs.iza.org
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Rasmus Klokker @rasmusklokker.bsky.social · 26/06/2026
Was today years old when i learnt that the second argument of the base mean() function in R is level of trimming, AND values outside the accepted range {0,.5} will default to the nearest endpoint. As such you CAN specify mean(x,2,na.rm=TRUE) and it will not give an error, and yours truly DID do that
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Jeremy Freese @jeremyfreese.bsky.social · 08/06/2026
This is a correct argument, but in sociology it is abused by ASA Council to prevent its journals from having policies for quantitative research.
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Lisa-Marie Duletzki @lisadu.bsky.social · 18/04/2026
I’m very happy to share that my first paper has been accepted for publication 🎉 Together with my great co-author Nayeon Lim we look at early public childcare in Germany. More details and the paper link below 👇 www.sciencedirect.com/science/arti...
sciencedirect.com
Can early public childcare reduce child penalties? Evidence from Germany
This paper studies the effects of public childcare expansion for children under age three in Germany on mothers’ child penalties. Exploiting county-le…
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Yihui Xie @yihui.org · 13/04/2026
`grepl('^[A-Z]', commit_message)` is a simple indicator on whether the work was done by me or AI. If a git commit message starts with a lowercase letter, you can know for sure the work was done by my own fingers because I'm often too lazy/tired to press Shift when writing a commit message.
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Rasmus Klokker @rasmusklokker.bsky.social · 04/02/2026
Dear Google, please allow us to take daily snapshots of Google Scholar!!
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Reposted by Rasmus Klokker
Cameron Patrick @cameronpat.bsky.social · 09/09/2025
I could have sworn I created this before on our Previous Parish, but couldn't find it so made it fresh. I present: OUR BLESSED mixed models // THEIR BARBAROUS fixed effects
OUR BLESSED mixed models vs THEIR BARABAROUS fixed effects
OUR GLORIOUS Mundlak device vs THEIR WICKED demeaning
OUR GREAT variance components vs THEIR PRIMITIVE dummy variables
OUR NOBLE partial pooling vs THEIR BACKWARD unbiased estimates
OUR HEROIC maximum likelihoos vs THEIR BRUTISH least squares
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Rasmus Klokker @rasmusklokker.bsky.social · 28/07/2025
Two nice, among so many negative, things about screening abstracts for systematic reviews: 1) You sometimes run into some strand of literature or facts that you wouldn't otherwise have found 2) You sometimes find some gems that make your officemates ask you why you're chuckling all of a sudden
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Rasmus Klokker @rasmusklokker.bsky.social · 11/07/2025
More cites for data and package development -> more arguments to convince funding bodies that collecting data and developing scientific software deserve funding on their own!
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Olle Folke @ollefolke.bsky.social · 15/05/2025
Update: We submitted the comment to the Journal of Population Economics, and today we got a desk reject with this motivation. However, we do not know their conclusion about the main results and why the paper was not retracted. Clearly, they do not hold. 1/4
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Cannon "like boom" Cloud @cannoncloud.bsky.social · 07/05/2025
I created a shiny web tool to play around with OL/TWFE so you can teach how this stuff can get so screwy. You can mess with temporal and cohort heterogeneity, treatment timing, whether you have any controls, etc. Share your worst plots! #econsky cannoncloud.shinyapps.io/TWFE_OLS_Pla...
TWFE Event_study plot showing sign reversal
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Eiko Fried @eikofried.bsky.social · 09/05/2025
When your statistical model "fits the data well" ...
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Kim Weeden @weedenkim.bsky.social · 03/05/2025
Claim also doesn't hold up very well. Pager: firms that discriminated against Black & Hispanic applicants in audit study of hiring in a low-wage labor market were more likely than non-discriminators to be out of business 6 years later but 2/3 still around. sociologicalscience.com/articles-v3-...
sociologicalscience.com
Are Firms That Discriminate More Likely to Go Out of Business?
Article: Are Firms That Discriminate More Likely to Go Out of Business? | Sociological Science | Posted September 19, 2016
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John Holbein @johnholbein1.bsky.social · 03/05/2025
Trying to figure out how academic publishing works
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Eiko Fried @eikofried.bsky.social · 21/04/2025
New interview on the value of exploratory research. "My brief explanation of this crisis is that researchers didn't say ‘I found something interesting’, but ‘I found exactly what my fantastic theory had predicted, heureka’. And then they gave a TED talk." #PsychSciSky #AcademicSky 🧪
eiko-fried.com
The crucial value of exploratory research » Eiko Fried
Exploratory research is vital for discovery, but often undervalued. Here I argue it is key to scientific progress & needs defending.
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Malte Elson @malte.the100.ci · 19/04/2025
Imperial propaganda if Warhammer 40k was set in academia 3/∞
Propaganda poster saying "Only through endless review shall you be purified"
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Asta Breinholt @astabreinholt.bsky.social · 11/04/2025
Us college educated folks are so diverse in our cultural practices, right? Not when it comes to the high-stakes cultural practice of social reproduction: #parenting! We parent much more alike than parents with fewer years of #education: www.sciencedirect.com/science/arti...
sciencedirect.com
Hidden patterns of inequality: The heterogeneity in parenting within educational groups
When sociology deals with differences within groups of similar socioeconomic status, research and theorizing tend to focus on the heterogeneity among …
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Reposted by Rasmus Klokker
Benjamin Lauderdale @benlauderdale.bsky.social · 27/03/2025
My hot take is that saying things that are simultaneously true, novel, and also non-trivial is incredibly difficult, regardless of whether you are a social scientist or a journalist.
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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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Einstein Foundation Berlin @einsteinberlin.bsky.social · 14/03/2025
🏆 Research integrity consultant and image forensics expert @elisabethbik.bsky.social has uncovered fraudulent data in over 7,600 scientific papers and exposed the practices of ‘paper mills’ that produce counterfeit scientific articles. She is honoured with the €200K Individual Award. Congrats!
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Nikhil Garg @nkgarg.bsky.social · 10/03/2025
*Please repost* @sjgreenwood.bsky.social and I just launched a new personalized feed (*please pin*) that we hope will become a "must use" for #academicsky. The feed shows posts about papers filtered by *your* follower network. It's become my default Bluesky experience bsky.app/profile/pape...
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Rasmus Klokker @rasmusklokker.bsky.social · 28/02/2025
I know "generalized LATE for continous instruments" doesn't roll off the tongue as easily, but it would have saved me more time than I dare admit, trying to figure out the difference between MTE and marginal effects.
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Reposted by Rasmus Klokker
Carlisle Rainey 👨‍💻📊📚 @carlislerainey.bsky.social · 24/02/2025
I'm reading a lot about "data doesn't lie." But I'm an expert in statistics, and I say confidently that is incorrect. It should be "data don't lie."
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Per Engzell @pengzell.bsky.social · 20/02/2025
Most academics are terrible mentors because we've just been lucky enough to have a random publication streak or enter the market at a better time
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Rasmus Klokker @rasmusklokker.bsky.social · 20/02/2025
Here's to hoping that users of danish register data can soon say the same @dst.dk
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Laura K. Nelson @lauraknelson.bsky.social · 12/02/2025
Ok sociology, what do you think are genuine breakthroughs that our field has made. Contributions that might convince skeptical but sympathetic *academics* (not the public) of the value of our field? I'll brainstorm some of mine in the thread - I treat sociology very broadly
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European Survey Research Association (ESRA) @esrasurvey.bsky.social · 11/02/2025
❗New #ESRA Statement on Data Access and Open Science: "ESRA expresses serious concern about recent developments threatening the access to publicly available data and open science in the US with world-wide implications." www.europeansurveyresearch.org/esra-stateme...
europeansurveyresearch.org
ESRA Statement on Data Access and Open Science
The European Survey Research Association (ESRA) is the leading professional organisation of survey researchers in Europe, with members from the academic, government, non-profit and commercial sectors
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Jen Jennings @jenjennings.bsky.social · 09/02/2025
Great thread! I’d add that in the social sciences, providing a secure computing environment for large and sensitive data is only possible because of indirects.
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Christina Gravert @cgravert.bsky.social · 10/02/2025
How cool is this?! A behind the scenes seminar series on how an economics paper came about - all the invisible work that never gets into the printed version. First event on 17th of February. I am also looking forward to using the recordings for teaching. www.bts-seminar.net
bts-seminar.net
Home | BTS Seminar Series
The Behind-the-Scenes Seminar Series is designed to learn about the production process of research papers, offering an opportunity for students and researchers in all fields and at all career stages t...
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Statistical Horizons @stathorizons.bsky.social · 03/02/2025
Interested in a free seminar? To mark our first semester on Bluesky, we’re offering a free seminar from our Spring offerings (through May 31) to one lucky winner. Follow us and repost this message by Monday, February 10 to enter. Winner revealed on Feb. 14—may the odds be in your favor!
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Andrew Gelman et al. @statmodeling.bsky.social · 23/01/2025
When estimating a treatment effect with a cluster design, you need to include varying slopes, even if the fit gives warning messages. statmodeling.stat.columbia.edu/2025/01/23/s...
statmodeling.stat.columbia.edu
When estimating a treatment effect with a cluster design, you need to include varying slopes, even if the fit gives warning messages. | Statistical Modeling, Causal Inference, and Social Science
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Bjørn Sætrevik @satrevik.fediscience.org.ap.brid.gy · 21/01/2025
This is such a great journal cover (and journal)! journal.trialanderror.org. Cover by Lieve Visser. #JournalOfTrialAndError #AcademicPublishing
A screenshot of the cover of the latest volume of the Journal of Trial and Error, showing multiple overlined misspellings of the name.
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Nate Breznau @breznaunate.bsky.social · 23/12/2024
George Borjas and I dug into our crowdsourced experimental data to show what he suspected: that researchers' findings on a politically relevant topic followed their political ideology. www.nber.org/papers/w33274
nber.org
Ideological Bias in Estimates of the Impact of Immigration
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, an...
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Ben Golub @bengolub.bsky.social · 24/12/2024
In economics, editors, referees, and authors often behave as if a published paper should reflect some kind of authoritative consensus. As a result, valuable debate happens in secret, and the resulting paper is an opaque compromise with anonymous co-authors called referees. 1/
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Derek Thompson @dkthomp.bsky.social · 21/12/2024
People sometimes make fun of science that sounds stupid and random. Meanwhile, a study of lizard saliva turned into a peptide medication, which was turned into a diabetes medication, which was turned into a GLP1 weight loss drug, that just became the first therapy every approved for … sleep apnea
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Heiner Salomon @heinersalomon.bsky.social · 12/12/2024
I think it is kind of wild that we take entire courses on academic writing (including punctuation) and statistics, but at least in my time nobody ever taught how to code academically, let alone how to style code. I think that is rapidly changing now and standards are really shooting up, but still.
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Health Nerd @gidmk.bsky.social · 05/12/2024
This may be my favourite preprint (or even paper) of the year. Dr. Saul Newman's latest work looks at the global data on very old people, and shows that it's probably garbage. The paper basically shows that the global information on people aged 85+ is likely all errors. Remarkable. 1/n
Screenshot of the preprint and abstract. Title: The global pattern of centenarians highlights deep problems in demography

Abstract:
Accurate age data is fundamental to medicine, social sciences, epidemiology, and good government. However, recent and heavily disputed debates on data quality have raised questions on the accuracy of demographic data at older ages. Here, we catalogue late-life survival patterns of every country in the world from 1970-2021 using comprehensive estimates of old-age populations provided by global governments and curated by the United Nations. Analysis of 236 nations or states across 51 years reveals that late-life survival data is dominated by anomalies at all scales and in all time periods. Life expectancy at age 100 and late-life survival from ages 80 to 100+, which we term centenarian attainment rate, is highest in a seemingly random assortment of states. The top 10 ‘blue zone’ regions with the best survival to ages 100+ routinely includes Thailand, Kenya and Malawi – respectively now 212th and 202nd in the world for life expectancy, the non-self-governing territory of Western Sahara, and Puerto Rico where birth certificates are so unreliable they were recently declared invalid as a legal document. These anomalous rankings are conserved across long time periods and multiple non-overlapping cohorts, and do not seem to be sampling effects. Instead these patterns suggest a persistent inability, even for nation-states or global organisations, to detect or measure error rates in human age data, with troubling implications for epidemiology, demography, and medicine.
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Robert Aboukhalil @robert.bio · 04/12/2024
“We don’t value software, data, and methods in the same way we value papers, even though those resources empower millions of scientists” 💯 www.statnews.com/sponsor/2024...
statnews.com
New report highlights the scientific impact of open source software
Two of the scientists who won this year’s Nobel Prize for cracking the code of proteins’ intricate structures relied, in part, on a series of computing
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Merlin Schaeffer @mschaeffer.bsky.social · 02/12/2024
(1/7) 📢 New research alert! Even when people are shown clear evidence of #discrimination, it doesn‘t change their support for anti-discrimination policies. Read @kkrakows.bsky.social, @asmusletholsen.bsky.social, and my article in @ajpseditor.bsky.social to find out why: doi.org/10.1111/ajps...
doi.org
American Journal of Political Science | MPSA Journal | Wiley Online Library
The disadvantages experienced by minorities and lack of societal remedies are partly attributable to native-majority citizens’ limited awareness of minority hardships. We investigate whether informin...
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Matthew Kay @mjskay.com · 26/11/2024
This is a great point, and was one reason @abhsarma.bsky.social (with me + @jessicahullman.bsky.social) built a multiverse analysis tool that tries to help experts understand and evaluate the validity of subsets of a multiverse, rather than just shrugging: "enh, results vary" doi.org/10.1145/3613...
Figure 2: The Milliways interface consists of four panels to support the multiverse analysis tasks and a principled evaluation of the multiverse analysis. The outcome panel Al presents the results of the multiverse-for each universe in the multiverse, we show an outcome or result. The specification panel A2 reveals the options for each parameter which the universe is composed of. The code panel A3 presents the code that was used to construct the multiverse (here, the code was from the multiverse R library). The data panel A4 shows the dataset used in the analysis. Other elements include the add button to add additional outcome variables A5, exclude button to remove options of a parameter AG, link button to link (aggregate) the outcomes across two or more options A7, slider for hierarchical sorting based on average effect AS and the zoom toggle A9Figure 5: Hierarchical sorting based on the average marginal effect allows users to see the variation in the outcome due to the options of a parameter. It also allows users to inspect the outcomes conditional on the options of parametersFigure 6: On aggregation, we represent uncertainty in the result using probability boxesFigure 7: A walkthrough of the steps that Alice performs during her principled evaluation of a multiverse analysis using Milliways which is described in our case study
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Rasmus Klokker @rasmusklokker.bsky.social · 11/11/2024
This looks super interesting and important!! Having a credible distribution of effect sizes specific to your field is so useful! Whenever I do, or read, work in education "0.07 SD" flashes before my eyes, due to excellent work by @matthewakraft.bsky.social journals.sagepub.com/doi/10.3102/...
journals.sagepub.com
Interpreting Effect Sizes of Education Interventions - Matthew A. Kraft, 2020
Researchers commonly interpret effect sizes by applying benchmarks proposed by Jacob Cohen over a half century ago. However, effects that are small by Cohen’s s...
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