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Discussion on (quasi-)randomization inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/randomization-hyunseung/22 Jul 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 -
IV & MR (project page) | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/project/iv-mr/22 Jul 2024: July 2019 eLifeWe propose a falsification test for the IV assumptions using sub-populations of the data with overwhelming proportion of treated or …. Luke Keele, Qingyuan Zhao, Rachel Kelz, Dylan Small. -
A constructive approach to selective risk control | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/selective-risk/22 Jul 2024: the null but also at other locations for free; (2) in the context of permutation tests, the BH procedure with exact permutation p-values can be well approximated by a procedure -
History of the Statistical Laboratory | Statistical Laboratory
www.statslab.cam.ac.uk/history-statistical-laboratory27 Jul 2024: Search site. Statistical Laboratory. History of the Statistical Laboratory. A Realised Path. The Cambridge Statistical Laboratory upto 1993 (revised 2002). Contents. 1. 1947-55 Creation and confirmation. 1955-61 Disaster and diaspora. 1961-66 The -
Selective Inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/selective-inference/22 Jul 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments. -
Luke Keele | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/luke-keele/22 Jul 2024: Search. Luke Keele. Latest. 2024. Powered by the Academic theme forCite. -
The origin of randomization | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/randomization-origin/22 Jul 2024: to provide a basis for exact tests of significance and related interval estimates. {{% ... be applied to test the significance of the observed difference between the averages of plots treated differently. -
Permutation $p$-value approximation via generalized Stolarsky…
https://www.statslab.cam.ac.uk/~qz280/publication/stolarsky/22 Jul 2024: March 2016Abstract. This paper uses a generalized Stolarsky’s invariance principle to approximate the permutation $p$-value for two-sample linear test statistics. -
On testing mean proportionality of multivariate normal variables |…
https://www.statslab.cam.ac.uk/~qz280/publication/proportionality-testing/22 Jul 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. -
The randomization principle in causal inference: A modern look at…
https://www.statslab.cam.ac.uk/~qz280/talk/imperial-2022/22 Jul 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. -
Sensitivity analysis for inverse probability weighting estimators via …
https://www.statslab.cam.ac.uk/~qz280/publication/sensitivity-ipw/22 Jul 2024: It is mostly applicable to matched observational studies; 2. It only tests the sharp null hypothesis; 3. -
Selective Randomization Inference for Adaptive Experiments | Qingyuan …
https://www.statslab.cam.ac.uk/~qz280/publication/selective-randomization/22 Jul 2024: In a nutshell, our approach applies conditional post-selection inference to randomization tests. ... Lastly, we demonstrate our method and compare it with other randomization tests using synthetic and real-world data. -
Paul Rosenbaum | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/22 Jul 2024: Cross-screening in observational studies that test many hypotheses. -
Multiple conditional randomization tests | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/berkeley-2021/22 Jul 2024: Search. Multiple conditional randomization tests. Date. 2021-09-29 9:30 PM — 10:30 PM. -
Causal-Inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/causal-inference/22 Jul 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments. -
What is a randomization test?
www.statslab.cam.ac.uk/~qz280/talk/toronto-2022/slides.pdf22 Jul 2024: Quasi-randomization tests: Permute time step, hospital ward, and/or crossover order. Qingyuan Zhao (University of Cambridge) What is a randomization test? ... Permutation tests for treatment effect in randomized experiments. This generalizes Fisher’s -
23 1/I/10H Statistics Use the generalized likelihood-ratio test to ...
www.statslab.cam.ac.uk/~lab85/resources/Stats2004.pdf28 Apr 2023: You should explain carefully the assumptions underlyingthe test. 1/II/21H Statistics. State and prove the Rao–Blackwell Theorem. ... Find the best test of size α, 0 < α < 1, of the hypothesisH0 : θ = θ0 against H1 : θ = θ1, where θ1 > θ0. -
Multiple conditional randomization tests
www.statslab.cam.ac.uk/~qz280/talk/berkeley-2021/slides.pdf22 Jul 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 -
Sensitivity Analysis | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/22 Jul 2024: It only tests the sharp null hypothesis; 3. It assumes treatment effect homogeneity to obtain a confidence interval of …. 2024. Powered by the Academic theme forCite. -
Optimization IB 1998
www.statslab.cam.ac.uk/~rrw1/opt1998/index.html31 Oct 2011: Read more about the amusingincluding an overview of optimization, case studies, test problems, and much, much more.
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