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  2. Randomized Experiment | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/randomized-experiment/
    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. Profile-likelihood Bayesian model averaging for two-sample summary…

    https://www.statslab.cam.ac.uk/~qz280/publication/mr-model-averaging/
    3 Jun 2024: Search. Profile-likelihood Bayesian model averaging for two-sample summary data Mendelian randomization in the presence of horizontal pleiotropy. Chin Yang Shapland, Qingyuan Zhao, Jack Bowden. February 2020Type. Publication. Statistics in Medicine.

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. Qingyuan Zhao | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/qingyuan-zhao/
    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

  10. 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

  11. 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,

  12. 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.

  13. Cambridge University Reporter 6745

    https://www.reporter.admin.cam.ac.uk/reporter/2023-24/weekly/6745/
    12 Jun 2024: No 6745. Wednesday 12 June 2024. Vol cliv No 35. pp. 658–698. Search. this issue. 2023-24. all issues. for. End of the Official Part of the ‘Reporter’. 2024 The Chancellor, Masters and Scholars of the University of Cambridge. Comments should

  14. Multiple conditional randomization tests | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/talk/mcp-2022/
    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.

  15. ivmodel: An R package for inference and sensitivity analysis of…

    https://www.statslab.cam.ac.uk/~qz280/publication/iv-model/
    3 Jun 2024: Search. ivmodel: An R package for inference and sensitivity analysis of instrumental variables models with one endogenous variable. Hyunseung Kang, Yang Jiang, Qingyuan Zhao, Dylan Small. February 2020Abstract. Vignette of an R package for

  16. Paul Rosenbaum | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/
    3 Jun 2024: Search. Paul Rosenbaum. Latest. Cross-screening in observational studies that test many hypotheses. 2024. Powered by the Academic theme forCite.

  17. 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>].

  18. Hyunseung Kang | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/hyunseung-kang/
    3 Jun 2024: Search. Hyunseung Kang. Latest. 2024. Powered by the Academic theme forCite.

  19. Marshall Joffe | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/marshall-joffe/
    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.

  20. Rachael Hughes | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/rachael-hughes/
    3 Jun 2024: Search. Rachael Hughes. Latest. 2024. Powered by the Academic theme forCite.

  21. The randomization principle in causal inference: A modern look at…

    https://www.statslab.cam.ac.uk/~qz280/talk/imperial-2022/
    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

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

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

  23. BETS: The dangers of selection bias in early analyses of the…

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

  24. Fun-Posts | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/fun-posts/
    3 Jun 2024: Search. Fun-Posts. Amusing counterfactual inference (by words). 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 in 1850 by

  25. Ashkan Ertefaie | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/ashkan-ertefaie/
    3 Jun 2024: Search. Ashkan Ertefaie. Latest. Selective inference for effect modification via the lasso. 2024. Powered by the Academic theme forCite.

  26. Confounder adjustment in multiple hypothesis testing | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/cate/
    3 Jun 2024: Search. Confounder adjustment in multiple hypothesis testing. Jingshu Wang, Qingyuan Zhao, Trevor Hastie, Art Owen. August 2015Abstract. Confounding introduces hidden bias to the statistical inference. We show in modern simultaneous testing, it is

  27. Confounder selection via iterative graph expansion | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/graph-expansion/
    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

  28. Simultaneous hypothesis testing using negative controls | Qingyuan…

    https://www.statslab.cam.ac.uk/~qz280/talk/upenn-2023/
    3 Jun 2024: Search. Simultaneous hypothesis testing using negative controls. Abstract. Negative control is a common technique in scientific investigations and broadly refers to the situation where a null effect (“negative result”) is expected. Motivated by

  29. BETS: The dangers of selection bias in early analyses of the…

    https://www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020/
    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

  30. Jack Bowden | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/jack-bowden/
    3 Jun 2024: Search. Jack Bowden. Latest. 2024. Powered by the Academic theme forCite.

  31. Multiple conditional randomization tests | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/multiple-crts/
    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

  32. Debbie Lawlor | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/debbie-lawlor/
    3 Jun 2024: Search. Debbie Lawlor. Latest. Improving the accuracy of two-sample summary data Mendelian randomization: moving beyond the NOME assumption. 2024. Powered by the Academic theme forCite.

  33. Nuala Sheehan | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/nuala-sheehan/
    3 Jun 2024: Search. Nuala Sheehan. Latest. Improving the accuracy of two-sample summary data Mendelian randomization: moving beyond the NOME assumption. 2024. Powered by the Academic theme forCite.

  34. Art B Owen | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/art-b-owen/
    3 Jun 2024: Search. Art B Owen. Latest. Permutation $p$-value approximation via generalized Stolarsky invariance. 2024. Powered by the Academic theme forCite.

  35. Jingshu Wang | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/jingshu-wang/
    3 Jun 2024: Search. Jingshu Wang. Latest. 2024. Powered by the Academic theme forCite.

  36. Factor Analysis | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/factor-analysis/
    3 Jun 2024: Search. Factor Analysis. Performance evaluation with latent factors. We use the Confounder Adjusted Testing and Estimating (CATE) proposed in our previous paper to estimate the abnormal return (aka 'alpha') of U.S. equity mutual funds. When funds

  37. Talks | Qingyuan Zhao

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

  38. 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

  39. Social Sciences | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/social-sciences/
    3 Jun 2024: Search. Social Sciences. Performance evaluation with latent factors. We use the Confounder Adjusted Testing and Estimating (CATE) proposed in our previous paper to estimate the abnormal return (aka 'alpha') of U.S. equity mutual funds. When funds

  40. Chin Yang Shapland | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/chin-yang-shapland/
    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.

  41. Selection Bias | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/selection-bias/
    3 Jun 2024: Search. Selection Bias. To be read before The Royal Statistical Society at the Society's 2021 annual conference held in Manchester on Wednesday, September 8th, 2021, the President, Professor Sylvia Richardson, in the Chair. A note on post-treatment

  42. Machine Learning | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/machine-learning/
    3 Jun 2024: Search. Machine Learning. Comment: Will competition-winning methods for causal inference also succeed in practice?. This is an invited commentary for Statistical Science on the causal inference data competition in ACIC 2016. Causal interpretations

  43. 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

  44. Dylan Small | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/dylan-small/
    3 Jun 2024: Search. Dylan Small. Latest. 2024. Powered by the Academic theme forCite.

  45. Negative Control | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/negative-control/
    3 Jun 2024: Search. Negative Control. Simultaneous hypothesis testing using negative controls. Negative control is a common technique in scientific investigations and broadly refers to the situation where a null effect (“negative result”) is expected.

  46. M. Maria Glymour | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/m.-maria-glymour/
    3 Jun 2024: Search. M. Maria Glymour. Latest. Mendelian randomization. 2024. Powered by the Academic theme forCite.

  47. A Mendelian randomization study of the role of lipoprotein…

    https://www.statslab.cam.ac.uk/~qz280/publication/mr-lipids/
    3 Jun 2024: Search. A Mendelian randomization study of the role of lipoprotein subfractions in coronary artery disease. Qingyuan Zhao, Jingshu Wang, Zhen Miao, Nancy Zhang, Sean Hennessy, Dylan Small, Daniel Rader. July 2019Type. Publication. eLife. 2024.

  48. Matthew Tudball | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/matthew-tudball/
    3 Jun 2024: Search. Matthew Tudball. Latest. Sample-constrained partial identification with application to selection bias. 2024. Powered by the Academic theme forCite.

  49. Anand Rajaraman | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/anand-rajaraman/
    3 Jun 2024: Search. Anand Rajaraman. Latest. SEISMIC: A self-exciting point process model for predicting tweet popularity. 2024. Powered by the Academic theme forCite.

  50. Daniel Percival | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/daniel-percival/
    3 Jun 2024: Search. Daniel Percival. Latest. Entropy balancing is doubly robust. 2024. Powered by the Academic theme forCite.

  51. Two-sample instrumental variable analyses using heterogeneous samples …

    https://www.statslab.cam.ac.uk/~qz280/publication/two-sample-iv/
    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

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