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3 Jun 2024: Search. Paul Rosenbaum. Latest. Cross-screening in observational studies that test many hypotheses. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. George Davey Smith. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Hyunseung Kang. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Marshall Joffe. Latest. A note on post-treatment selection in studying racial discrimination in policing. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Rachael Hughes. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Bootstrapping sensitivity analysis. Date. 2020-08-03. Event. JSM 2020. Location. JSM 2020 (Virtual). 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Confounder selection via iterative graph expansion. F Richard Guo, Qingyuan Zhao. September 2023Abstract. Confounder selection, namely choosing a set of covariates to control for confounding between a treatment and an outcome, is arguably

3 Jun 2024: Search. Selective inference for effect modification: An empirical investigation. Qingyuan Zhao, Snigdha Panigrahi. September 2018Abstract. In a special workshop in ACIC 2018, we were invited to analyze a simulated dataset to detect treatment effect

3 Jun 2024: Search. Performance evaluation with latent factors. Yang Song, Qingyuan Zhao. August 2018Abstract. We use the Confounder Adjusted Testing and Estimating (CATE) proposed in our previous paper to estimate the abnormal return (aka ‘alpha’) of U.S.

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. Multiple conditional randomization tests. Date. 2022-08-31 1:45 PM — 2:15 PM. Multiple Conference 2022. Location. Bremen, Germany. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Using Mendelian randomization to discover biological mechanisms. Date. 2023-08-10 —. Joint Statistical Meeting (2023). Location. Toronto, Canada. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. BETS: The dangers of selection bias in early analyses of the coronavirus disease (COVID-19) pandemic. Date. 2021-03-24 4:00 PM — 5:00 PM. Location. Infectious disease outbreaks webinar. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Multiple conditional randomization tests. Yao Zhang, Qingyuan Zhao. April 2021Abstract. We propose a general framework for (multiple) conditional randomization tests that incorporate several important ideas in the recent literature. We

3 Jun 2024: Search. Selective Inference. Selective Randomization Inference for Adaptive Experiments. We apply ideas from post-selection inference to randomization tests for adaptive experiments. A constructive approach to selective risk control. Many modern

3 Jun 2024: Search. Bayesian Statistics. Letter to the editor: Generation interval for COVID-19 based on symptom onset data. The purpose of this letter is to raise a few issues with the methodology of a recent paper by Ganyani et al. [1], which aimed to

3 Jun 2024: Search. Statistical inference in two-sample summary-data Mendelian randomization using robust adjusted profile score. Qingyuan Zhao, Jingshu Wang, Gibran Hemani, Jack Bowden, Dylan Small. January 2018Abstract. We provide a comprehensive theoretical

3 Jun 2024: Search. Ashkan Ertefaie. Latest. Selective inference for effect modification via the lasso. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Analysis of the epidemic growth of the early 2019-nCoV outbreak using internationally confirmed cases. Qingyuan Zhao, Yang Chen, Dylan Small. February 2020Abstract. We analyzed 46 2019-nCoV cases confirmed in Japan, Korea, Singapore, Taiwan,

3 Jun 2024: Search. Talks. 2024. Design: The Elusive Principle of Statistics. 2024-03-07 1:00 PM — 2:00 PM University of Oxford. 2024-02-13 2:00 PM — 3:00 PM University of East Anglia. 2024-02-08 2:00 PM — 3:00 PM London School of Economics and Political

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

3 Jun 2024: Search. Macros for graph separations. 2024-04-29 1 min read. In a recent paper by Richard Guo and me, we proposed a systematic way to select confounders by eliciting expert opinion. We invented some new notation to distinguish some different types

3 Jun 2024: Search. Sensitivity analysis for inverse probability weighting estimators via the percentile bootstrap. Qingyuan Zhao, Dylan Small, Bhaswar Bhattarcharya. November 2017Abstract. Rosenbaum’s sensitivity analysis framework has several limitations: 1.

3 Jun 2024: Search. Two-sample instrumental variable analyses using heterogeneous samples. Qingyuan Zhao, Jingshu Wang, Wes Spiller, Jack Bowden, Dylan Small. August 2017Abstract. Many modern IV studies (especially Mendelian Randomization) are carried out with

3 Jun 2024: Search. Tobias Freidling. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. F Richard Guo. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. The randomization principle in causal inference: A modern look at some old ideas. Abstract. Randomization is a fundamental principle in causal inference and was first proposed by R A Fisher about a century ago. Although randomization has now

3 Jun 2024: Search. Two High-Profile Examples of Selection Bias. Abstract. This talk will examine the selection bias that occurred in studying some most contentious problems. In the first case study, we will look at the estimation of the growth rate and

3 Jun 2024: Search. Sergio Bacallado. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Eleanor Sanderson. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Snigdha Panigrahi. Latest. Selective inference for effect modification: An empirical investigation. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Statistical Modelling (Part II, Michaelmas 2022). 2022-09-30. General information. This course consists of 16 lectures and 8 practical sessions. It complements the Part II Principles of Statistics, but takes a more applied perspective.

3 Jun 2024: Search. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. Zixuan Wu, Ethan Lewis, Qingyuan Zhao, Jingshu Wang. February 2024Abstract. Understanding the causal pathogenic mechanisms of diseases is crucial

3 Jun 2024: Search. Causal inference for heritable phenotypic risk factors using heterogeneous genetic instruments. Jingshu Wang, Qingyuan Zhao, Jack Bowden, Gibran Hemani, George Davey Smith, Dylan Small, Nancy Zhang. May 2020Abstract. We greatly improve the

3 Jun 2024: Search. Confounder Selection. We propose a systematic way to select confounders. Confounder selection: Objectives and approaches. We provide a unified review of various confounder selection criteria in the literature and the assumptions behind them.

3 Jun 2024: Search. Murat A Erdogdu. Latest. SEISMIC: A self-exciting point process model for predicting tweet popularity. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. A latent mixture model for heterogeneous causal mechanisms in Mendelian randomization. Daniel Iong, Qingyuan Zhao, Yang Chen. July 2020Scatterplot of BMI-T2D data with MC-EM parameter estimates. Abstract. Mendelian Randomization (MR) is a

3 Jun 2024: Search. Selective inference for effect modification via the lasso. Qingyuan Zhao, Dylan Small, Ashkan Ertefaie. May 2017Abstract. We approach the heterogeneous treatment effect problem in a novel way. Instead of trying to obtain the optimal

3 Jun 2024: Search. Small Data, Big Time—A retrospect of the first weeks of COVID-19. Date. 2021-09-08 5:15 PM — 7:15 PM. Event. RSS Annual Conference, Discussion Meeting. Location. Manchester, UK. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Graphical diagnosis of confounding bias in instrumental variables analysis. Qingyuan Zhao, Dylan Small. May 2018Abstract. This research letter proposes a new diagnostic plot for IV analysis, so large bias ratios (compared to OLS estimator)

3 Jun 2024: Search. Using sparsity to overcome unmeasured confounding: Two examples. Abstract. Sparsity is often used to improve the interpretability of a statistical analysis and/or reduce the variance of a statistical estimator. This talk will explore another

3 Jun 2024: Search. Publications. Type. Uncategorized. Conference paper. Journal article. Preprint. Date. 2024. 2023. 2022. 2021. 2020. 2019. 2018. 2017. 2016. 2015. Tobias Freidling, Qingyuan Zhao, Zijun Gao (2024). Zixuan Wu, Ethan Lewis, Qingyuan Zhao,

3 Jun 2024: Search. Randomization Inference. Almost exact Mendelian randomization. By combining causal graphs and randomization inference, a formal justification for Mendelian randomization is given in the context of with-family studies. The randomization

3 Jun 2024: Search. Seeking a summer research intern (EXPIRED). 2021-01-29 2 min read. I am posting a summer research project that may be suitable for Cambridge Part II students (or senior undergraduate students from other universities). Cambridge students can

3 Jun 2024: Search. BETS: The dangers of selection bias in early analyses of the coronavirus disease (COVID-19) pandemic. Date. 2020-05-05. Event. Yale Biostatistics Seminar. Location. Department of Biostatistics, Yale University. 2024. Powered by the Academic

3 Jun 2024: Search. Covariate balancing propensity score by tailored loss functions. January 2016Abstract. This paper extends the dual interpretation of entropy balancing to general situations and proposes a tailored loss function. Minimizing this loss function

3 Jun 2024: Search. COVID-19 (project page). 2020-07-24. Publications. Small Data, Big Time—A retrospect of the first weeks of COVID-19. To be read before The Royal Statistical Society at the Society’s 2021 annual conference held in Manchester on Wednesday,

3 Jun 2024: Search. Bhaswar Bhattarcharya. Latest. Sensitivity analysis for inverse probability weighting estimators via the percentile bootstrap. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Multiple testing when many $p$-values are uniformly conservative. with application to testing qualitative interaction in educational interventions. Qingyuan Zhao, Dylan Small, Weijie Su. March 2017Abstract. Qualitative interaction is an