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Comment on “Causal inference using invariant prediction” Qingyuan…
www.statslab.cam.ac.uk/~qz280/publication/invariant-prediction-comment/comment.pdf3 Jun 2024: We would welcomethe authors’ comments on this summary. To test the empirical performance of ICP, we use the authors’ software ona protein signaling network dataset. ... c) without enough interventions, the set of causal parentsis unidentifiable, and -
How infectious was COVID-19 when it first circulated in Wuhan?
www.statslab.cam.ac.uk/~qz280/talk/corpus-masterclass-2022/slides.pdf3 Jun 2024: What happened? PCR tests were being developed and distributed. Evidence elsewhere1 COVID-19’s pathogen—SARS-CoV-2—is far from the first human coronavirus. -
Statistical modellingLecturer: Alberto J. Coca…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/notes_3Dec19.pdf3 Jun 2024: Often we want to test whether a given group of variables is significant. ... One sensible way of proceeding is to construct a generalised likelihood ratio test. -
Mendelian Randomization: Old and New Insights Qingyuan Zhao…
www.statslab.cam.ac.uk/~qz280/talk/penn-biostat-2021/slides.pdf3 Jun 2024: Randomization tests to find causal variants (Spielman, McGinnis, &Ewens, 1993; Bates et al., 2020). ... I Randomization test for the sharp null H0 : Y (1) Y (0) = β.I Key idea: Under H0, Y (0) = Y βX. -
SISCER Module 12 Lecture 3: Sensitivity analysis
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/L3.pdf3 Jun 2024: I By further assuming no unmeasured confounders Ai Yi (a) | Xi for all a,randomization tests can be constructed as in randomized experiments. -
Probability J.R. Norris January 22, 2024 1 Contents 1 ...
www.statslab.cam.ac.uk/~james/Lectures/p.pdf22 Jan 2024: A test is performed on arandomly chosen person, which is known empirically to give a positive result for 98% ofpeople affected by the condition and 1% of those unaffected. ... Suppose the test is positive.What is the probability that the chosen person -
PathGPS 1 PathGPS: Discover shared genetic architecture using GWAS ...
www.statslab.cam.ac.uk/~qz280/publication/pathgps/paper.pdf3 Jun 2024: regard the SNPs with at least one significant marginal association test as signal SNPs (1200. ... in total). We regard the SNPs with no significant marginal association tests as noise SNPs. -
Lecture Notes on Statistical Modelling Qingyuan Zhao December 2, ...
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/notes.pdf3 Jun 2024: 112.3.3 Confidence sets. 112.3.4 Hypothesis tests and analysis of variance. 12. ... The level-α likelihood ratio test rejects H0 : β1 = 0 when F > Fpp0,np(α). -
CAUSAL INFERENCE - Example Sheet 2 Solutions J. Hera ...
www.statslab.cam.ac.uk/~qz280/teaching/causal-2023/S2.pdf3 Jun 2024: The author agrees and sets this coecientto 0.9. This issue is discussed in the last paragraph of the section “Tests of initial a priorimodels” and in section “Sensitivity analysis”. -
On Sensitivity Value of Pair-Matched Observational Studies
www.statslab.cam.ac.uk/~qz280/publication/sensitivity-value/slides.pdf3 Jun 2024: Can test the sharpnull hypothesis by e.g. Wilcoxon’s signed rank test. ... I When Γ > 1: Rosenbaum obtained lower and upper bounds ofthe p-value of any signed score test. -
Machine Learning meets Biostatistics IIA crash course on Causal ...
www.statslab.cam.ac.uk/~qz280/talk/ccaim-summer-school-2022/slides.pdf3 Jun 2024: How do we test XJ XK | XL in DAG models? -
Small Data, Big Time—A retrospect of the first weeks of COVID-19
www.statslab.cam.ac.uk/~qz280/publication/covid-19-retrospect/paper.pdf3 Jun 2024: This means that evidence from theprevious commercial tests, which had already identified a SARS-like coronavirus a week earlier, could notbe relied on in the official investigations. ... No new cases were announced before January 17, because the local -
Practical: Randomization inference
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/S1.pdf3 Jun 2024: Why?• How can you "invert" the randomization tests to obtain an interval estimator of the treatment. ... On the other hand, the randomization test is based on the randomization introduced by theexperimenter. -
SISCER Module 12 Lecture 1: Randomization inference
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/L1.pdf3 Jun 2024: It turns out that Fisher’s exact test is also valid for this problem. ... Example: Fisher's exact test. Example: Stepped-wedge design. Example: Matched observational studies. -
www.statslab.cam.ac.uk/~qz280/publication/index.xml
www.statslab.cam.ac.uk/~qz280/publication/index.xml3 Jun 2024: qz280/publication/pathgps/ Wed, 04 May 2022 00:00:00 0000 https://www.statslab.cam.ac.uk/qz280/publication/pathgps/ What is a randomization test? ... 21 Jul 2021 00:00:00 0000 https://www.statslab.cam.ac.uk/qz280/publication/fda-comment-2021/ Multiple -
Bayesian Non-linear Statistical Inverse Problems
www.statslab.cam.ac.uk/~nickl/Site/__files/FINALBOOKPDF.pdf16 Jan 2024: The statistical intuition behind this algorithm is simple: We compute the new(conditionally Gaussian) proposal sm and perform a likelihood ratio test against theprevious position #m of the Markov chain. ... D m0ıN and log N."/ D cNı2N , c > 0; constant -
BETS: The dangers of selection bias in early analyses ...
www.statslab.cam.ac.uk/~qz280/talk/ghent-2021/slides.pdf3 Jun 2024: False negative test: Her first test was negative. A few days later she wastested again and the result came back positive. ... The principle is to only include cases as Wuhan-exported that pass a “beyond areasonable doubt” test. -
1-dgk.dvi
www.statslab.cam.ac.uk/~grg/books/hammfest/1-dgk.pdf22 Mar 2024: Thiswas his skill in concocting the all but insoluble scholarship questions thatwere then in vogue (and which passed the test of acceptance only if theybaffled one’s fellow examiners). -
CAUSAL INFERENCE Part III / Michaelmas 2023Example Sheet 2 ...
www.statslab.cam.ac.uk/~qz280/teaching/causal-2023/E2.pdf3 Jun 2024: Read the abstract andthe section “Tests of Initial a Priori Model” (page 649–651) in the paper titled “Causal Ordering ofAcademic Self-Concept and Academic Achievement: A Multiwave, Longitudinal Panel Analysis” -
SISCER Module 12 Lecture 6: Negative Controls and…
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/L6.pdf3 Jun 2024: 2020). Can labor market policies reduce deaths ofdespair? Journal of health economics, 74:102372. -
Using sparsity to overcome unmeasured confounding:Two examples…
www.statslab.cam.ac.uk/~qz280/talk/mrc-bsu-2019/slides.pdf3 Jun 2024: Related problem: Gene colocalization test. Stylized statistical problem(γ̂. Γ̂. ) N. (( ... A standard test uses (Plagnol et al, 2009, Biostatistics). 2l(β̂) d χ2p1 under the above model. -
www.statslab.cam.ac.uk/~qz280/index.xml
www.statslab.cam.ac.uk/~qz280/index.xml3 Jun 2024: or I would call them “tests of unusualness” or “tests of aberrance” or “test of fishiness”) as tests where the treatment (or any variable, for ... randomization tests creates a “control group of numbers” to -
Group Members
www.statslab.cam.ac.uk/~rjs57/Group.html18 Jun 2024: Yining Chen (Assistant Professor then Associate Professor, Department of Statistics, London School of Economics and Political Science). ... Tengyao Wang (Lecturer, Department of Statistical Science, University College London; Associate Professor, London -
www.statslab.cam.ac.uk/~qz280/author/qingyuan-zhao/index.xml
www.statslab.cam.ac.uk/~qz280/author/qingyuan-zhao/index.xml3 Jun 2024: tests https://www.statslab.cam.ac.uk/qz280/talk/mcp-2022/ Wed, 31 Aug 2022 13:45:00 0000 https://www.statslab.cam.ac.uk/qz280/talk/mcp-2022/ Confounder selection: ... 09:00:00 0000 https://www.statslab.cam.ac.uk/qz280/talk/fisher-2022/ What is a -
BETS: The dangers of selection bias in early analyses ...
www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020/slides.pdf3 Jun 2024: The principle is to only include cases as Wuhan-exported that pass a “beyond areasonable doubt” test. ... Variations of Assumption 3 (exponential growth) and Assumption 5 (stabletravel) are implemented to test sensitivity. -
MR Data Challenge 2019 — The role of lipoprotein subfractions in…
www.statslab.cam.ac.uk/~qz280/publication/mr-lipids/report.pdf3 Jun 2024: The mr.raps package further implements diagnostics and falsification test of the MR analysis. ... Estimated overdispersion variance: 1.67e-08, standard error: 8.61e-09, p-value: 0.052. ## ANOVA test: are the weights and residuals independent? ## -
MATHEMATICS OF MACHINE LEARNING Part IIExample Sheet 2 (of ...
www.statslab.cam.ac.uk/~rds37/teaching/machine_learning/Qu2.pdf20 Feb 2024: To decide the winner, the classifiers are applied to n new i.i.d.datapoints (the so-called test data). -
www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml
www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml3 Jun 2024: or I would call them “tests of unusualness” or “tests of aberrance” or “test of fishiness”) as tests where the treatment (or any variable, for ... randomization tests creates a “control group of numbers” to -
www.statslab.cam.ac.uk/~qz280/tag/randomization-inference/index.xml
www.statslab.cam.ac.uk/~qz280/tag/randomization-inference/index.xml3 Jun 2024: 00 0000 https://www.statslab.cam.ac.uk/qz280/talk/imperial-2022/ Multiple conditional randomization tests https://www.statslab.cam.ac.uk/qz280/talk/mcp-2022/ Wed, 31 Aug 2022 ... 27 Jun 2022 17:10:00 0000 https://www.statslab.cam.ac.uk/qz280/talk/ims-2022 -
www.statslab.cam.ac.uk/~qz280/post/index.xml
www.statslab.cam.ac.uk/~qz280/post/index.xml3 Jun 2024: or I would call them “tests of unusualness” or “tests of aberrance” or “test of fishiness”) as tests where the treatment (or any variable, for ... randomization tests creates a “control group of numbers” to -
www.statslab.cam.ac.uk/~qz280/tag/multiple-testing/index.xml
www.statslab.cam.ac.uk/~qz280/tag/multiple-testing/index.xml3 Jun 2024: Mar 2023 14:36:34 -0400 https://www.statslab.cam.ac.uk/qz280/publication/ranc/ Multiple conditional randomization tests https://www.statslab.cam.ac.uk/qz280/publication/multiple-crts/ Thu, 22 ... conservative/ Cross-screening in observational studies -
www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/index.xml
www.statslab.cam.ac.uk/~qz280/author/paul-rosenbaum/index.xml3 Jun 2024: rosenbaum/ Cross-screening in observational studies that test many hypotheses https://www.statslab.cam.ac.uk/qz280/publication/cross-screening/ Mon, 06 Mar 2017 00:00:00 0000 -
www.statslab.cam.ac.uk/~qz280/author/dylan-small/index.xml
www.statslab.cam.ac.uk/~qz280/author/dylan-small/index.xml3 Jun 2024: tests for instrumental variable designs with an application to tendency to operate https://www.statslab.cam.ac.uk/qz280/publication/iv-falsification/ Wed, 01 Aug 2018 00:00:00 0000 ... qz280/publication/uniformly-conservative/ Cross-screening in -
www.statslab.cam.ac.uk/~qz280/tag/randomization/index.xml
www.statslab.cam.ac.uk/~qz280/tag/randomization/index.xml3 Jun 2024: or I would call them “tests of unusualness” or “tests of aberrance” or “test of fishiness”) as tests where the treatment (or any variable, for ... randomization tests creates a “control group of numbers” to -
www.statslab.cam.ac.uk/~qz280/author/luke-keele/index.xml
www.statslab.cam.ac.uk/~qz280/author/luke-keele/index.xml3 Jun 2024: tests for instrumental variable designs with an application to tendency to operate https://www.statslab.cam.ac.uk/qz280/publication/iv-falsification/ Wed, 01 Aug 2018 00:00:00 0000 -
www.statslab.cam.ac.uk/~qz280/author/rachel-kelz/index.xml
www.statslab.cam.ac.uk/~qz280/author/rachel-kelz/index.xml3 Jun 2024: kelz/ Falsification tests for instrumental variable designs with an application to tendency to operate https://www.statslab.cam.ac.uk/qz280/publication/iv-falsification/ Wed, 01 Aug 2018 00:00:00 -
Frank Kelly's papers
www.statslab.cam.ac.uk/~frank/PAPERS/30 Mar 2024: An earlier version was presented at the 15th ACM Conference on Economics and Computation, 2014. ... In "Internet Economics" (Editors Lee W. McKnight and Joseph P. Bailey) MIT Press, 1997. -
www.statslab.cam.ac.uk/~qz280/tag/fun-posts/index.xml
www.statslab.cam.ac.uk/~qz280/tag/fun-posts/index.xml3 Jun 2024: well this model stands the test of time.</p>. -
Research
www.statslab.cam.ac.uk/~rjs57/Research.html21 Jun 2024: J. (2015) Invited discussion of An adaptive resampling test for detecting the presence of significant predictors by I. ... Samworth, R. and Johnson, O. (2005) The empirical process in Mallows distance, with application to goodness-of-fit tests. -
www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/index.xml
www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/index.xml3 Jun 2024: cam.ac.uk/qz280/publication/sensitivity-ipw/ Cross-screening in observational studies that test many hypotheses https://www.statslab.cam.ac.uk/qz280/publication/cross-screening/ Mon, 06 Mar 2017 -
www.statslab.cam.ac.uk/~qz280/tag/causal-inference/index.xml
www.statslab.cam.ac.uk/~qz280/tag/causal-inference/index.xml3 Jun 2024: https://www.statslab.cam.ac.uk/qz280/talk/ccaim-summer-school-2022/ Multiple conditional randomization tests https://www.statslab.cam.ac.uk/qz280/talk/mcp-2022/ Wed, 31 Aug 2022 ... 31 Aug 2022 10:21:40 0200 -
www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/index.xml
www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/index.xml3 Jun 2024: tests for instrumental variable designs with an application to tendency to operate https://www.statslab.cam.ac.uk/qz280/publication/iv-falsification/ Wed, 01 Aug 2018 00:00:00 0000 -
Randomization | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/randomization/3 Jun 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments. ... The meaning of randomization tests has become obscure in statistics education and practice over the last century. -
Causal interpretations of black-box models | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/pdp/3 Jun 2024: Publication. Journal of Business & Economic Statistics (2019). 2024. Powered by the Academic theme forCite. -
Useful links | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/links/3 Jun 2024: R Packages: Organize, Test, Document, and Share Your Code by Hadley Wickham. -
www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/index.xml
www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/index.xml3 Jun 2024: well this model stands the test of time.</p> Seeking a summer research intern (EXPIRED) https://www.statslab.cam.ac.uk/qz280/post/summer-intern-2021/ Fri, 29 Jan 2021 -
Multiple conditional randomization tests
www.statslab.cam.ac.uk/~qz280/talk/ims-2022/slides.pdf3 Jun 2024: This is a permutation test, although resampling is not needed. Qingyuan Zhao (University of Cambridge) Multiple conditional randomization tests June 27, 2022 @ IMS Annual Meeting 14 / 26. ... Permutation tests for treatment effect in randomizedexperiments -
Randomization (project page) | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/project/randomization/3 Jun 2024: We apply ideas from post-selection inference to randomization tests for adaptive experiments. ... August 2022The meaning of randomization tests has become obscure in statistics education and practice over the last century. -
Randomization Inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/randomization-inference/3 Jun 2024: The meaning of randomization tests has become obscure in statistics education and practice over the last century. ... A new term---'quasi-randomization test'---is …. We propose a general framework for (multiple) conditional randomization tests that -
Multiple Testing | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/multiple-testing/3 Jun 2024: Motivated by a real proteomic dataset, we will present three promising and closely connected …. Multiple conditional randomization tests. ... We propose a general framework for (multiple) conditional randomization tests that incorporate several
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