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Mendelian randomization: Old and new insights | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/penn-biostat-2021/3 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 -
Multiple testing when many $p$-values are uniformly conservative |…
https://www.statslab.cam.ac.uk/~qz280/publication/uniformly-conservative/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 -
Instrumental-Variables | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/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 -
Anton Rask Lundborg | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/anton-rask-lundborg/3 Jun 2024: Search. Anton Rask Lundborg. Latest. Confounder selection: Objectives and approaches. 2024. Powered by the Academic theme forCite. -
Marcus R. Munafò | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/marcus-r.-munafo/3 Jun 2024: Search. Marcus R. Munafò. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite. -
Selective Inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/selective-inference/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 -
Sensitivity Analysis with the $R^2$-calculus | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/r2-calculus/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 -
Bayesian Statistics | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/bayesian-statistics/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 -
C. Mary Schooling | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/c.-mary-schooling/3 Jun 2024: Search. C. Mary Schooling. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite. -
Michael V. Holmes | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/michael-v.-holmes/3 Jun 2024: Search. Michael V. Holmes. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite. -
Sensitivity analysis for observational studies | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020-2/3 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, -
Entropy balancing is doubly robust | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/entropy-balancing/3 Jun 2024: Search. Entropy balancing is doubly robust. Qingyuan Zhao, Daniel Percival. January 2015Abstract. We show a recently proposed method called Entropy Balancing is doubly robust, that is the causal effect estimator is consistent if the propensity score -
Falsification tests for instrumental variable designs with an…
https://www.statslab.cam.ac.uk/~qz280/publication/iv-falsification/3 Jun 2024: Search. Falsification tests for instrumental variable designs with an application to tendency to operate. Luke Keele, Qingyuan Zhao, Rachel Kelz, Dylan Small. August 2018Abstract. We propose a falsification test for the IV assumptions using -
Sensitivity analysis for inverse probability weighting estimators via …
https://www.statslab.cam.ac.uk/~qz280/publication/sensitivity-ipw/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. -
IV & MR (project page) | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/project/iv-mr/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 -
Statistical Modelling (Part II, Michaelmas 2022) | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/3 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. -
Sensitivity Analysis | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/3 Jun 2024: Search. Sensitivity Analysis. A new approach to sensitivity analysis in linear SEMs using stochastic optimization and the $R2$-calculus. Sensitivity analysis is widely recognized as a critical step in an observational study but is seldom found in -
A note on post-treatment selection in studying racial discrimination…
https://www.statslab.cam.ac.uk/~qz280/publication/policing-risk-ratio/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 -
Comment on FDA draft guidance for industry FDA-2019-D-0934: Adjusting …
https://www.statslab.cam.ac.uk/~qz280/publication/fda-comment-2021/3 Jun 2024: Search. Comment on FDA draft guidance for industry FDA-2019-D-0934: Adjusting for covariates in randomized clinical trials for drugs and biological products. Jun Shao, Ting Ye, Qingyuan Zhao. July 2021Abstract. This is a unsolicited commentary on -
Mendelian randomization with coarsened exposures | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/mr-latent-exposure/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
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