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  2. Randomization (project page) | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/project/randomization/
    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. Causal Inference (Part III, Michaelmas 2023) | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/teaching/causal-2023/
    3 Jun 2024: Search. Causal Inference (Part III, Michaelmas 2023). 2023-10-05. This is a 16-lecture course on causal inference, the statistical science of drawing causal conclusions from experimental and non-experimental data. [Updated: <2023-11-23 Thu>].

  4. William Sutherland | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/william-sutherland/
    3 Jun 2024: Search. William Sutherland. Latest. Quantifying and addressing the prevalence and bias of study designs in the environmental and social sciences. 2024. Powered by the Academic theme forCite.

  5. Murat A Erdogdu | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/murat-a-erdogdu/
    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.

  6. Reliable Inference for Precision Medicine | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/talk/jsm-2021/
    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

  7. Mendelian randomization: Old and new insights | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/talk/epfl-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

  8. Luke Keele | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/luke-keele/
    3 Jun 2024: Search. Luke Keele. Latest. 2024. Powered by the Academic theme forCite.

  9. Improving the accuracy of two-sample summary data Mendelian…

    https://www.statslab.cam.ac.uk/~qz280/publication/beyond-nome/
    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.

  10. Wes Spiller | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/wes-spiller/
    3 Jun 2024: Search. Wes Spiller. Latest. Two-sample instrumental variable analyses using heterogeneous samples. 2024. Powered by the Academic theme forCite.

  11. Kinjal Basu | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/kinjal-basu/
    3 Jun 2024: Search. Kinjal Basu. Latest. Permutation $p$-value approximation via generalized Stolarsky invariance. 2024. Powered by the Academic theme forCite.

  12. Ethan Lewis | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/ethan-lewis/
    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.

  13. Rachel Kelz | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/rachel-kelz/
    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.

  14. Nancy Zhang | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/nancy-zhang/
    3 Jun 2024: Search. Nancy Zhang. Latest. 2024. Powered by the Academic theme forCite.

  15. Fisher, Statistics, and Randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/talk/fisher-2022/
    3 Jun 2024: Search. Fisher, Statistics, and Randomization. Abstract. One of Fisher’s most important scientific contributions is the paradigm of randomized experiments. I will try to trace the origin of this idea and highlight how it is rooted in Fisher’s

  16. Small Data, Big Time—A retrospect of the first weeks of COVID-19 |…

    https://www.statslab.cam.ac.uk/~qz280/publication/covid-19-retrospect/
    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

  17. The statistics of summary-data Mendelian randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/talk/mr-conference-2019/
    3 Jun 2024: Search. The statistics of summary-data Mendelian randomization. Abstract. Invited talk giving an overview of my research on summary-data Mendelian randomization. Date. 2019-07-17. Event. Mendelian Randomization Conference, 2019. Location. MRC

  18. Mendelian randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/mr-primer/
    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.

  19. Powerful three-sample genome-wide design and robust statistical…

    https://www.statslab.cam.ac.uk/~qz280/publication/mr-partially-bayes/
    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

  20. Bhaswar Bhattarcharya | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/bhaswar-bhattarcharya/
    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.

  21. Mendelian-Randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/
    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

  22. 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

  23. Cross-screening in observational studies that test many hypotheses |…

    https://www.statslab.cam.ac.uk/~qz280/publication/cross-screening/
    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

  24. George Davey Smith | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/george-davey-smith/
    3 Jun 2024: Search. George Davey Smith. Latest. 2024. Powered by the Academic theme forCite.

  25. 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

  26. 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.

  27. 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.

  28. 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

  29. 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.

  30. 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.

  31. 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

  32. 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

  33. Almost exact Mendelian randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/almost-exact-mr/
    3 Jun 2024: Search. Almost exact Mendelian randomization. Matt Tudball, George Davey Smith, Qingyuan Zhao. August 2022Type. 2024. Powered by the Academic theme forCite.

  34. 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.

  35. 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

  36. 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

  37. Toward Better Practice of Covariate Adjustment in Analyzing…

    https://www.statslab.cam.ac.uk/~qz280/publication/covariate-adjustment/
    3 Jun 2024: Search. Toward Better Practice of Covariate Adjustment in Analyzing Randomized Clinical Trials. Ting Ye, Jun Shao, Yanyao Yi, Qingyuan Zhao. September 2020Abstract. In randomized clinical trials, adjustments for baseline covariates at both design

  38. Multiple Testing | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/multiple-testing/
    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

  39. Causal Inference with Observational Data: Common Designs and…

    https://www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/
    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

  40. 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.

  41. 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

  42. Causal mediation analysis for time-varying heritable risk factors…

    https://www.statslab.cam.ac.uk/~qz280/publication/mr-lifecourse/
    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

  43. 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

  44. 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

  45. Selective inference for effect modification via the lasso | Qingyuan…

    https://www.statslab.cam.ac.uk/~qz280/publication/effect-modification/
    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

  46. Exploratory Data Analysis | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/exploratory-data-analysis/
    3 Jun 2024: Search. Exploratory Data Analysis. PathGPS: Discover shared genetic architecture using biobank data. The increasing availability and scale of Genome Wide Association Studies (GWAS) bring new horizons for understanding biological mechanisms. PathGPS

  47. Selective inference for effect modification: An empirical…

    https://www.statslab.cam.ac.uk/~qz280/publication/effect-modification-acic/
    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

  48. Performance evaluation with latent factors | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/cate-mutual-fund/
    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.

  49. Selective Randomization Inference for Adaptive Experiments | Qingyuan …

    https://www.statslab.cam.ac.uk/~qz280/publication/selective-randomization/
    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

  50. Randomization Inference | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/randomization-inference/
    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

  51. Freedman | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/freedman/
    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

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