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On Sensitivity Value of Pair-Matched Observational Studies
https://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 ...
https://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
https://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
https://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
https://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. -
https://www.statslab.cam.ac.uk/~qz280/tag/fisher/index.xml
https://www.statslab.cam.ac.uk/~qz280/tag/fisher/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 -
BETS: The dangers of selection bias in early analyses ...
https://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. -
SISCER Module 12 Lecture 6: Negative Controls and…
https://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. -
CAUSAL INFERENCE Part III / Michaelmas 2023Example Sheet 2 ...
https://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” -
Using sparsity to overcome unmeasured confounding:Two examples…
https://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. -
https://www.statslab.cam.ac.uk/~qz280/author/yao-zhang/index.xml
https://www.statslab.cam.ac.uk/~qz280/author/yao-zhang/index.xml3 Jun 2024: 00:00 0000 https://www.statslab.cam.ac.uk/qz280/publication/marginal-sensitivity-semiparametric/ What is a randomization test? ... tests https://www.statslab.cam.ac.uk/qz280/publication/multiple-crts/ Thu, 22 Apr 2021 09:27:32 0000 -
https://www.statslab.cam.ac.uk/~qz280/tag/randomization-inference/inde…
https://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 -
BETS: The dangers of selection bias in early analyses ...
https://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…
https://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? ## -
https://www.statslab.cam.ac.uk/~qz280/post/index.xml
https://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 -
https://www.statslab.cam.ac.uk/~qz280/tag/multiple-testing/index.xml
https://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 -
https://www.statslab.cam.ac.uk/~qz280/tag/randomization/index.xml
https://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 -
https://www.statslab.cam.ac.uk/~qz280/author/dylan-small/index.xml
https://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 -
Research
https://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. -
https://www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml
https://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
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