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3 Jun 2024: Search. A fun model to explain the surging popularity of Mendelian randomization. 2021-03-23 2 min read. I was preparing for my talk in EPFL’s statistics seminar today and discovered an interesting model. As many people know, the popularity of

3 Jun 2024: Search. A unified analysis of regression adjustment in randomized experiments. Katarzyna Reluga, Ting Ye, Qingyuan Zhao. October 2022Abstract. Regression adjustment is broadly applied in randomized trials under the premise that it usually improves

3 Jun 2024: Search. Sensitivity analysis for observational studies. Abstract. Sensitivity analysis is widely recognized as a critical step in an observational study but is seldom found in applications. One reason for its underuse is the various forms of model,

3 Jun 2024: Search. IV & MR (project page). 2019-07-18. Related. Publications. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. Zixuan

3 Jun 2024: Search. Selective Randomization Inference for Adaptive Experiments. Tobias Freidling, Qingyuan Zhao, Zijun Gao. May 2024Abstract. Adaptive experiments use preliminary analyses of the data to inform further course of action and are commonly used in

3 Jun 2024: Search. Amusing counterfactual inference (by words). 2022-05-19 2 min read. My good friend Joshua Loftus and I spent some 30 minutes to crack (at least we think we did!) a counterfactual inference made in a speech in the House of Commons in London

3 Jun 2024: Search. Selecting and ranking individualized treatment rules with unmeasured confounding. Date. 2021-01-14 4:30 PM — 5:30 PM. Event. International Seminar on Selective Inference. Location. Selective Inference Webinar. 2024. Powered by the

3 Jun 2024: Search. Qingyuan Zhao. University Associate Professor in Statistics. I am a University Associate Professor of Statistics in the Statistical Laboratory, Department of Pure Mathematics and Mathematical Statistics (DPMMS) at University of Cambridge, a

3 Jun 2024: Search. Freedman. Discussion on (quasi-)randomization inference. The following is an email exchange with Hyunseung Kang on the nature of randomization inference. This was sparked by a couple of papers by David Freedman and David Lane: A

3 Jun 2024: Search. Bounds and semiparametric inference in $L.Inf$- and $L2$-sensitivity analysis for observational studies. Yao Zhang, Qingyuan Zhao. November 2022Type. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. The philosophy behind hypothesis testing. 2021-04-21 4 min read. I read a few interesting articles this week on the Fisher-Neyman debate on the foundation of hypothesis testing:. The first paper is written by Erich Lehmann and argues that

23 Apr 2024: If you have trouble printing pages 86–87, or want a version which prints two pages on one side, you might prefer to download this version.

3 Jun 2024: Search. Migrating my website to Hugo Academic ox-hugo. 2020-06-13 9 min read. Update <2021-05-30 Sun>: A template of this website is now available on GitHub. Being stuck at home during the pandemic, as miserable as it is, actually helps me to

3 Jun 2024: Search. Featured Publications. A constructive approach to selective risk control. Many modern applications require the use of data to both select the statistical tasks and make valid inference after selection. In this …. Zijun Gao, Wenjie Hu,

4 Sep 2012: Charles Grinstead and Laurie Snell Introduction to Probability Second edition, 1997 (freely available to download). ... Peter Doyle and Laurie Snell Random walks and electric networks, 2006 (freely available to download.

3 Jun 2024: Search. Statistical Modeling: Returning to its roots. 2021-04-05 10 min read. Over this Easter weekend, I wrote the following commentary for the reprinting on Leo Breiman’s paper “Statistical Modeling: The Two Cultures” by Observational Studies

9 Oct 2014: I may make some changes as the course proceeds. You can download a copy now, and take another copy once the course ends. ... You will have to download a copy of the pdf file.

3 Jun 2024: Search. Is this estimand really an average treatment effect? 2020-06-27 9 min read. Update <2020-09-11 Fri> See the preprint here based on this blog post. Background. My Stanford office-mate and good friend Josh Loftus messaged me about an

1 Dec 2015: psfrag. to put nice text into figures. At the top of my publication list you can download and view the essay that I wrote for Part III in 1975.

3 Jun 2024: Search. Discussion on (quasi-)randomization inference. 2023-01-10 12 min read. The following is an email exchange with Hyunseung Kang on the nature of randomization inference. This was sparked by a couple of papers by David Freedman and David