Ang Yu
@ang-yu.bsky.social
Assistant Professor in Social Science at Hong Kong University of Science and Technology. Causal inference methodologist. https://ang-yu.github.io/
Later this week, I'm presenting "Explaining with Odds Ratios: Nonparametric Estimands and Estimators" at the Sociological Science Conference at Stanford University. Very excited to share this research for the first time!
I just found out that my paper with Felix Elwert has received the Outstanding Publication Award from the Methodology Section of the American Sociological Association! It means so much to receive recognition from a community I identify with so strongly.
This paper is very cool for figuring out the nonparametric estimand behind the KHB estimator. journals.sagepub.com/doi/full/10....
Marginal and Conditional Confounding Using Logits - Kristian Bernt Karlson, Frank Popham, Anders Holm, 2023
This article presents two ways of quantifying confounding using logistic response models for binary outcomes. Drawing on the distinction between marginal and co...
journals.sagepub.com
People often say that the linear probability model is bad, because it produces impossible fitted values, and logit is good because it doesn't. In this blog post, I explain why I think otherwise: ang-yu.github.io/posts/2026/0...
Do impossible fitted values really make LPM bad?
It is an extremely common argument in sociology that the linear probability model (LPM) is bad for modeling binary outcomes because it can produce fitted values smaller than 0 or larger than 1. This a...
ang-yu.github.io
I posted a blog on multinomial logit's IIA assumption: ang-yu.github.io/posts/2026/0...
IIA is a statistical, not counterfactual, assumption
I again found myself pondering the meaning of the independence of irrelevant alternatives (IIA) assumption for multinomial logit models.The IIA assumption is often said to imply that given two options...
ang-yu.github.io
I'll give a talk at the Biostatistics Unit of University of Cambridge on Apr 13th! www.mrc-bsu.cam.ac.uk/events/bsu-s...
BSU Seminar: "Nonparametric causal decomposition of group disparities" | MRC Biostatistics Unit
Speaker: Dr Ang Yu, Assistant Professor, Hong Kong University of Science and Technology Abstract: We introduce a new nonparametric causal decomposition approach that identifies the mechanisms by which...
mrc-bsu.cam.ac.uk
Very nice to learn that two master’s students in my current department are heading to the PhD program where I got my own!
Is social science always this hard, or is it just when you make your assumptions explicit? Always like this
I miss the good old days of causal inference, when everyone was after positivity and balance, and we believed in exact matches made in heaven. Now everything’s instrumental, synthetic, and instead of finding agreement, we find difference even in differences.
Another nice application of our decomposition! www.sciencedirect.com/science/arti...
Directions for improving the policy relevance of inequality research: Lessons from social origin–specific health disparities
This study examines how social science research can more effectively inform policy interventions aimed at reducing social inequalities. Focusing on he…
sciencedirect.com
There’s one week left!
Ang Yu@ang-yu.bsky.social · 7mo agoAt this year's ASA meeting in NYC, I'm organizing a session called Causal Inference for Sociology. Please consider submitting your methodological work! Submissions from other disciplines with sociological relevance are also welcome. www.asanet.org/annual-meeti...
At this year's ASA meeting in NYC, I'm organizing a session called Causal Inference for Sociology. Please consider submitting your methodological work! Submissions from other disciplines with sociological relevance are also welcome. www.asanet.org/annual-meeti...
Call for Papers/Extended Abstracts | American Sociological Association
Thank you for your interest in submitting a paper/extended abstract to the ASA Annual Meeting. The call for submissions opens on November 3, 2025, and closes
asanet.org
After a seven-month sojourn in industry, I’ll soon start my role as an Assistant Professor in the Division of Social Science at the Hong Kong University of Science and Technology. I’m very excited about this new chapter of my career as a social science methodologist! 🇭🇰
Someone else’s perspective on working in tech (and in fact at Meta) that I just came across: journals.sagepub.com/doi/10.1177/...
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Maybe there's something in McDonald's coffee today, but I find myself totally amazed by the basic premise of statistics again on a Sunday morning. It's nothing short of a miracle that we have a way to know the world with mathematically guaranteed unbiasedness and efficiency.
I just realized the two ASAs (sociology and statistics) will have their annual meetings in the same place (Chicago) and at the same time in 2027 👀
I had a wonderful time visiting the casual causal group at Berkeley today!
I’ve been elected as the student representative on the ASA (the soc one, not the stats one) Methods Section council (after two failed runs in previous years😂)! I'm looking forward to contributing to the methodology community over the next 2 years in this role!
Belated announcement: I joined Meta as a research scientist in May! Happy to meet up or catch up if you are in the Bay Area! 😁
IDS affiliate Felix Elwert of @uwsoc.bsky.social and @ang-yu.bsky.social have uncovered a new approach to measuring the causes of inequalities between groups. Read about it at ids.wisc.edu/2025/07/08/y...
Yu and Elwert Develop Approach to Better Understand Causes Behind Group Disparities
IDS-supported research by sociologists Ang Yu and Felix Elwert has identified a statistical approach that allows social scientists to measure causes of group disparities.
ids.wisc.edu
The cdgd package now accommodates sampling weights! As always, let me know if you run into any issues using the package. cran.r-project.org/web/packages...
cdgd: Causal Decomposition of Group Disparities
The framework of causal decomposition of group disparities developed by Yu and Elwert (2025) <<a href="https://doi.org/10.1214%2F24-AOAS1990" target="_top">doi:10.1214/24-AOAS1990</a>>. This pac...
cran.r-project.org
My paper with Jiwei Zhao is now online in Sociological Methodology! In this article, we propose a new class of counterfactual slope estimands along with corresponding estimation techniques. journals.sagepub.com/doi/10.1177/...
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