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  2. BETS: The dangers of selection bias in early analyses ...

    https://www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020/slides.pdf
    3 Jun 2024: Singapore10. 100. 1,000. 10,000. 0 20 40Days since 10 deaths. Tota. ... Qingyuan Zhao (Stats Lab, Cambridge) BETS on COVID-19 May 5, 2020 20 / 53.
  3. Will competition-winning methods for causal inference also succeed in …

    https://www.statslab.cam.ac.uk/~qz280/publication/acic-competition-comment/paper.pdf
    3 Jun 2024: 1imsart-sts ver. 2014/10/16 file: comment_ver4.tex date: November 20, 2018. 2 ZHAO ET AL. ... imsart-sts ver. 2014/10/16 file: comment_ver4.tex date: November 20, 2018. COMMENT 5.
  4. Using sparsity to overcome unmeasured confounding:Two examples…

    https://www.statslab.cam.ac.uk/~qz280/talk/mrc-bsu-2019/slides.pdf
    3 Jun 2024: I will focus on sparse invalid IVs today. Qingyuan Zhao (Stats Lab) Specificity MRC-BSU Seminar 20 / 30.
  5. CAUSAL INFERENCE - Example Sheet 1 Solutions J. Hera ...

    https://www.statslab.cam.ac.uk/~qz280/teaching/causal-2023/S1.pdf
    3 Jun 2024: Now consider the followingbivariate normal model:. (Yi(0), Yi(1)) N. 00. ,. 20. 0101 21. independently, i = 1,. , n. By the law of total variation, (2.6), and (2.9), we ... 1. n21Ai. 2. 1+. 1. n20(1 Ai)20. =1. n121+. 1. n020,.
  6. Selecting and ranking individualized treatment rules with…

    https://www.statslab.cam.ac.uk/~qz280/talk/selective-inference-webinar-2021/slides.pdf
    3 Jun 2024: V (r2) V (r1) = E[Y (1) Y (0) |Age [7, 20)] P(Age [7, 20)). ... Qingyuan Zhao (Stats Lab, Cambridge) ITRs with unmeasured confounders January 14, 2021 20 / 25.
  7. Two-Sample Instrumental Variable Analysis: Challenges and Some…

    https://www.statslab.cam.ac.uk/~qz280/publication/two-sample-iv/slides.pdf
    3 Jun 2024: 0.00.10.20.30.4. 2 0 2 4. x. dens. ity sampleab. Two-SampleIV. QingyuanZhao. ... sampleab. 0.00.20.40.6. 4 2 0 2 4. x. dens. ity sampleab.
  8. The Cycle of Statistical Research Qingyuan Zhao Statistical…

    https://www.statslab.cam.ac.uk/~qz280/talk/ccimi-2020/slides.pdf
    3 Jun 2024: Qingyuan Zhao (Stats Lab) The Cycle of Statistical Research CCIMI Seminar 20 / 48. ... Point estimator. r = 0.26 corresponds to stationary point of λt at 20 January, 2020.
  9. Mendelian randomization

    https://www.statslab.cam.ac.uk/~qz280/talk/mr-tutorial/slides.pdf
    3 Jun 2024: 20/40. Modeling assumptions for GWAS summary dataDataset: estimated effects (γ̂, Γ̂) and standard errors (σX ,σY ). Assumption 1: Measurement error model(γ̂. Γ̂. ) N. ((γΓ. ),. (ΣX 00 ΣY. )),. ... A more formal (falsification) testUnder our
  10. What is a randomization test?

    https://www.statslab.cam.ac.uk/~qz280/talk/toronto-2022/slides.pdf
    3 Jun 2024: Qingyuan Zhao (University of Cambridge) What is a randomization test? March 23, 2023 @ University of Toronto 20 / 33. ... P. R. Rosenbaum, Observational studies, (Springer, 2002).19. P. R. Rosenbaum, Statistical Science 32, 514–530 (2017).20.
  11. Using Mendelian randomization to discover biological mechanisms

    https://www.statslab.cam.ac.uk/~qz280/talk/jsm-2023/slides.pdf
    3 Jun 2024: Results of MR-PATH. Example: BMI-T2D (individual βi). 20. 15. 10. 5.

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