Search

3 Jun 2024: Search. Zhen Miao. Latest. A Mendelian randomization study of the role of lipoprotein subfractions in coronary artery disease. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Design: The Elusive Principle of Statistics. Date. 2024-03-07 1:00 PM — 2:00 PM. Location. University of Oxford. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Zijun Gao. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Tom Palmer. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Sensitivity Analysis with the $R2$-calculus. Tobias Freidling, Qingyuan Zhao. January 2023R$-sensitivity contours for the lower end of the estimated partially identified region. Abstract. Causal inference necessarily relies upon untestable

3 Jun 2024: Search. Estimation and prediction in sparse and unbalanced tables. Qingyuan Zhao, Trevor Hastie, Daryl Pregibon. March 2017Abstract. When there is a multi-way table where each dimension has large number of levels, it is computationally intensive to

3 Jun 2024: Search. Phyllis Ju. Latest. BETS: The dangers of selection bias in early analyses of the coronavirus disease (COVID-19) pandemic. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Rajen Shah. Latest. BETS: The dangers of selection bias in early analyses of the coronavirus disease (COVID-19) pandemic. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Yang Jiang. Latest. ivmodel: An R package for inference and sensitivity analysis of instrumental variables models with one endogenous variable. 2024. Powered by the Academic theme forCite.

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. 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. Reliable Inference for Precision Medicine. Abstract. Two central objectives of individualized treatment are precision and optimality. A third objective is robustness, and this talk aims to explore what could happen if we account for

3 Jun 2024: Search. Mendelian randomization: Old and new insights. Abstract. Mendelian randomization (MR) is a method for causal inference that utilizes the natural experiment in genetic inheritance. The idea of MR can be traced back to the dawn of modern

3 Jun 2024: Search. Luke Keele. Latest. 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. Improving the accuracy of two-sample summary data Mendelian randomization: moving beyond the NOME assumption. Jack Bowden, Fabiola Del Greco M, Cosetta Minelli, Debbie Lawlor, Qingyuan Zhao, Nuala Sheehan, John Thompson, George Davey Smith.

3 Jun 2024: Search. Ethan Lewis. Latest. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Wes Spiller. Latest. Two-sample instrumental variable analyses using heterogeneous samples. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Kinjal Basu. Latest. Permutation $p$-value approximation via generalized Stolarsky invariance. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Randomization (project page). 2022-04-22. A related page isRelated. Publications. Selective Randomization Inference for Adaptive Experiments. We apply ideas from post-selection inference to randomization tests for adaptive experiments.

3 Jun 2024: Search. Rachel Kelz. Latest. Falsification tests for instrumental variable designs with an application to tendency to operate. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Randomized Experiment. A unified analysis of regression adjustment in randomized experiments. Regression adjustment is broadly applied in randomized trials under the premise that it usually improves the precision of a treatment effect

3 Jun 2024: Search. Nancy Zhang. Latest. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Small Data, Big Time—A retrospect of the first weeks of COVID-19. April 2021Abstract. This article reviews some early investigations and research studies in the first weeks of the coron- avirus disease 2019 (COVID-19) pandemic from a

3 Jun 2024: Search. Confounder selection: Objectives and approaches. F Richard Guo, Anton Rask Lundborg, Qingyuan Zhao. August 2022Abstract. Confounder selection is perhaps the most important step in the design of observational studies. A number of criteria,

3 Jun 2024: Search. Mendelian randomization. Eleanor Sanderson, M. Maria Glymour, Michael V. Holmes, Hyunseung Kang, Jean Morrison, Marcus R. Munafò, Tom Palmer, C. Mary Schooling, Chris Wallace, Qingyuan Zhao, George Davey Smith. February 2022Abstract.

3 Jun 2024: Search. Powerful three-sample genome-wide design and robust statistical inference in summary-data Mendelian randomization. Qingyuan Zhao, Yang Chen, Jingshu Wang, Dylan Small. April 2018Abstract. We extend the MR-RAPS method in our previous paper

3 Jun 2024: Search. A crash course on causal inference. Date. 2022-09-07 1:00 PM — 2:00 PM. CCAIM Summer School (AI and Machine Learning in Healthcare). Location. CCAIM Summer School. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Chin Yang Shapland. Latest. Profile-likelihood Bayesian model averaging for two-sample summary data Mendelian randomization in the presence of horizontal pleiotropy. 2024. Powered by the Academic theme forCite.

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. Mendelian-Randomization. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. By combining causal graphs and

3 Jun 2024: Search. Cross-screening in observational studies that test many hypotheses. Qingyuan Zhao, Dylan Small, Paul Rosenbaum. March 2017Abstract. This paper proposes a new method called ‘cross-screening’ to increase the power of sensitivity analysis

3 Jun 2024: Search. Anton Rask Lundborg. Latest. Confounder selection: Objectives and approaches. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Marcus R. Munafò. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite.

3 Jun 2024: Search. Mendelian randomization: Old and new insights. Abstract. Mendelian randomization (MR) is a method for causal inference that utilizes the natural experiment in genetic inheritance. The idea of MR can be traced back to the dawn of modern

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

3 Jun 2024: Search. Instrumental-Variables. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. By combining causal graphs and

3 Jun 2024: Search. Almost exact Mendelian randomization. Matt Tudball, George Davey Smith, Qingyuan Zhao. August 2022Type. 2024. Powered by the Academic theme forCite.

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. 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. 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. A note on post-treatment selection in studying racial discrimination in policing. Qingyuan Zhao, Luke Keele, Dylan Small, Marshall Joffe. September 2020Abstract. We discuss some causal estimands used to study racial discrimination in policing

3 Jun 2024: Search. Multiple Testing. 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 article, we provide a unifying

3 Jun 2024: Search. Causal Inference with Observational Data: Common Designs and Statistical Methods (2023). Course description. Observational studies are non-interventional empirical investigations of causal effects and are playing an increasingly vital role

3 Jun 2024: Search. Mendelian randomization with coarsened exposures. Matt Tudball, Jack Bowden, Rachael Hughes, Amanda Ly, Marcus Munafo, Kate Tilling, Qingyuan Zhao, George Davey Smith. August 2020Abstract. A key assumption in Mendelian randomisation is that

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. 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. Workflow. Migrating my website to Hugo Academic ox-hugo. 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 redesign my working

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