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  2. 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.
  3. What is a randomization test? | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/publication/single-crt/
    3 Jun 2024: A new term—‘quasi-randomization test’—is introduced to define significance tests based on theoretical models and distinguish these tests from the ‘randomization tests’ based on the physical act of randomization. ... The proposed terminology
  4. Multiple conditional randomization tests

    www.statslab.cam.ac.uk/~qz280/talk/berkeley-2021/slides.pdf
    3 Jun 2024: Slides: http://statslab.cam.ac.uk/qz280/. The role of randomization tests became obscure. Fisher (1935): To substitute t-test when normality is not true and to restore randomization as “thephysical ... Conditional randomization tests for discrete
  5. Selective Inference | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/selective-inference/
    3 Jun 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments.
  6. Discussion on (quasi-)randomization inference | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/randomization-hyunseung/
    3 Jun 2024: I personally think the Freedman and Lane’s example with “randomizing” gender makes the distinction between the classic randomization test and your quasi-randomization tests more clear than the example you ... Personally, I would define
  7. Permutation $p$-value approximation via generalized Stolarsky…

    https://www.statslab.cam.ac.uk/~qz280/publication/stolarsky/
    3 Jun 2024: March 2016Abstract. This paper uses a generalized Stolarsky’s invariance principle to approximate the permutation $p$-value for two-sample linear test statistics.
  8. On testing mean proportionality of multivariate normal variables |…

    https://www.statslab.cam.ac.uk/~qz280/publication/proportionality-testing/
    3 Jun 2024: We show that the usual likelihood ratio χ2-test is valid non-asymptotically. ... Our proof relies on expressing the test statistic as the minimum eigenvalue of a Wishart variable and using a representation of its distribution using Legendre polynomials.
  9. The randomization principle in causal inference: A modern look at…

    https://www.statslab.cam.ac.uk/~qz280/talk/imperial-2022/
    3 Jun 2024: In the first part, I will use the potential outcomes framework to define the conditional randomization test, distinguish it with related ideas, and discuss some recent applications.
  10. Sensitivity analysis for inverse probability weighting estimators via …

    https://www.statslab.cam.ac.uk/~qz280/publication/sensitivity-ipw/
    3 Jun 2024: It is mostly applicable to matched observational studies; 2. It only tests the sharp null hypothesis; 3.
  11. Paul Rosenbaum | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/
    3 Jun 2024: Cross-screening in observational studies that test many hypotheses.

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