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Profile-likelihood Bayesian model averaging for two-sample summary…
https://www.statslab.cam.ac.uk/~qz280/publication/mr-model-averaging/3 Jun 2024: Search. Profile-likelihood Bayesian model averaging for two-sample summary data Mendelian randomization in the presence of horizontal pleiotropy. Chin Yang Shapland, Qingyuan Zhao, Jack Bowden. February 2020Type. Publication. Statistics in Medicine. -
Confounder selection: Objectives and approaches | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/confounder-selection/3 Jun 2024: Search. Confounder selection: Objectives and approaches. F Richard Guo, Anton Rask Lundborg, Qingyuan Zhao. August 2022Abstract. Confounder selection is perhaps the most important step in the design of observational studies. A number of criteria, -
Powerful three-sample genome-wide design and robust statistical…
https://www.statslab.cam.ac.uk/~qz280/publication/mr-partially-bayes/3 Jun 2024: Search. Powerful three-sample genome-wide design and robust statistical inference in summary-data Mendelian randomization. Qingyuan Zhao, Yang Chen, Jingshu Wang, Dylan Small. April 2018Abstract. We extend the MR-RAPS method in our previous paper -
A fun model to explain the surging popularity of Mendelian…
https://www.statslab.cam.ac.uk/~qz280/post/mr-vs-gwas-2021/3 Jun 2024: Search. A fun model to explain the surging popularity of Mendelian randomization. 2021-03-23 2 min read. I was preparing for my talk in EPFL’s statistics seminar today and discovered an interesting model. As many people know, the popularity of -
Mendelian-Randomization | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/3 Jun 2024: Search. Mendelian-Randomization. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. By combining causal graphs and -
A crash course on causal inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/ccaim-summer-school-2022/3 Jun 2024: Search. A crash course on causal inference. Date. 2022-09-07 1:00 PM — 2:00 PM. CCAIM Summer School (AI and Machine Learning in Healthcare). Location. CCAIM Summer School. 2024. Powered by the Academic theme forCite. -
Selecting and ranking individualized treatment rules with unmeasured…
https://www.statslab.cam.ac.uk/~qz280/talk/selective-inference-webinar-2021/3 Jun 2024: Search. Selecting and ranking individualized treatment rules with unmeasured confounding. Date. 2021-01-14 4:30 PM — 5:30 PM. Event. International Seminar on Selective Inference. Location. Selective Inference Webinar. 2024. Powered by the -
Instrumental-Variables | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/3 Jun 2024: Search. Instrumental-Variables. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. By combining causal graphs and -
Comment on 'Causal inference using invariant prediction' |…
https://www.statslab.cam.ac.uk/~qz280/publication/invariant-prediction-comment/3 Jun 2024: Search. Comment on 'Causal inference using invariant prediction'. Qingyuan Zhao, Charles Zheng, Trevor Hastie, Robert Tibshirani. May 2016Abstract. This is a contributed discussion on the article ‘Causal inference by using invariant prediction’ -
Qingyuan Zhao | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/author/qingyuan-zhao/3 Jun 2024: Search. Qingyuan Zhao. University Associate Professor in Statistics. I am a University Associate Professor of Statistics in the Statistical Laboratory, Department of Pure Mathematics and Mathematical Statistics (DPMMS) at University of Cambridge, a -
Sensitivity analysis for observational studies | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020-2/3 Jun 2024: Search. Sensitivity analysis for observational studies. Abstract. Sensitivity analysis is widely recognized as a critical step in an observational study but is seldom found in applications. One reason for its underuse is the various forms of model, -
Toward Better Practice of Covariate Adjustment in Analyzing…
https://www.statslab.cam.ac.uk/~qz280/publication/covariate-adjustment/3 Jun 2024: Search. Toward Better Practice of Covariate Adjustment in Analyzing Randomized Clinical Trials. Ting Ye, Jun Shao, Yanyao Yi, Qingyuan Zhao. September 2020Abstract. In randomized clinical trials, adjustments for baseline covariates at both design -
A note on post-treatment selection in studying racial discrimination…
https://www.statslab.cam.ac.uk/~qz280/publication/policing-risk-ratio/3 Jun 2024: Search. A note on post-treatment selection in studying racial discrimination in policing. Qingyuan Zhao, Luke Keele, Dylan Small, Marshall Joffe. September 2020Abstract. We discuss some causal estimands used to study racial discrimination in policing -
Mendelian randomization with coarsened exposures | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/publication/mr-latent-exposure/3 Jun 2024: Search. Mendelian randomization with coarsened exposures. Matt Tudball, Jack Bowden, Rachael Hughes, Amanda Ly, Marcus Munafo, Kate Tilling, Qingyuan Zhao, George Davey Smith. August 2020Abstract. A key assumption in Mendelian randomisation is that -
Comment: Will competition-winning methods for causal inference also…
https://www.statslab.cam.ac.uk/~qz280/publication/acic-competition-comment/3 Jun 2024: Search. Comment: Will competition-winning methods for causal inference also succeed in practice? Qingyuan Zhao, Luke Keele, Dylan Small. November 2018Abstract. This is an invited commentary for Statistical Science on the causal inference data -
Sample-constrained partial identification with application to…
https://www.statslab.cam.ac.uk/~qz280/publication/selection-bias-interval/3 Jun 2024: Search. Sample-constrained partial identification with application to selection bias. Matthew Tudball, Rachael Hughes, Kate Tilling, Jack Bowden, Qingyuan Zhao. July 2019Abstract. Many partial identification problems can be characterized by the -
Quantifying and addressing the prevalence and bias of study designs…
https://www.statslab.cam.ac.uk/~qz280/publication/design-bias-conservation/3 Jun 2024: Search. Quantifying and addressing the prevalence and bias of study designs in the environmental and social sciences. Alec Christie,. , Qingyuan Zhao, William Sutherland. December 2020Abstract. Building trust in science and evidence-based -
Selecting and ranking individualized treatment rules with unmeasured…
https://www.statslab.cam.ac.uk/~qz280/publication/individualized-rule-sensitivity/3 Jun 2024: Search. Selecting and ranking individualized treatment rules with unmeasured confounding. Bo Zhang, Jordan Weiss, Dylan Small, Qingyuan Zhao. June 2019Abstract. Optimal individualized treatment rules try to assign the best treatment to every -
The philosophy behind hypothesis testing | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/philosophy-testing-2021/3 Jun 2024: Search. The philosophy behind hypothesis testing. 2021-04-21 4 min read. I read a few interesting articles this week on the Fisher-Neyman debate on the foundation of hypothesis testing:. The first paper is written by Erich Lehmann and argues that -
IV & MR (project page) | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/project/iv-mr/3 Jun 2024: Search. IV & MR (project page). 2019-07-18. Related. Publications. Causal mediation analysis for time-varying heritable risk factors with Mendelian Randomization. A new Bayesian full-information method for life-course Mendelian randomization. Zixuan -
Bounds and semiparametric inference in $L^.Inf$- and…
https://www.statslab.cam.ac.uk/~qz280/publication/marginal-sensitivity-semiparametric/3 Jun 2024: Search. Bounds and semiparametric inference in $L.Inf$- and $L2$-sensitivity analysis for observational studies. Yao Zhang, Qingyuan Zhao. November 2022Type. 2024. Powered by the Academic theme forCite. -
Geoffrey Grimmett's Recent Work
www.statslab.cam.ac.uk/~grg/preprints.html23 Apr 2024: If you have trouble printing pages 86–87, or want a version which prints two pages on one side, you might prefer to download this version. -
Migrating my website to Hugo + Academic + ox-hugo | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/migrating/3 Jun 2024: Search. Migrating my website to Hugo Academic ox-hugo. 2020-06-13 9 min read. Update <2021-05-30 Sun>: A template of this website is now available on GitHub. Being stuck at home during the pandemic, as miserable as it is, actually helps me to -
Letter to the editor: Generation interval for COVID-19 based on…
https://www.statslab.cam.ac.uk/~qz280/publication/covid-19-generation-interval-comment/3 Jun 2024: Search. Letter to the editor: Generation interval for COVID-19 based on symptom onset data. Sergio Bacallado, Qingyuan Zhao, Nianqiao Ju. July 2020Abstract. The purpose of this letter is to raise a few issues with the methodology of a recent paper -
Statistical Modeling: Returning to its roots | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/breiman-reprint-2021/3 Jun 2024: Search. Statistical Modeling: Returning to its roots. 2021-04-05 10 min read. Over this Easter weekend, I wrote the following commentary for the reprinting on Leo Breiman’s paper “Statistical Modeling: The Two Cultures” by Observational Studies -
Is this estimand really an average treatment effect? | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/policing-ate-estimand/3 Jun 2024: Search. Is this estimand really an average treatment effect? 2020-06-27 9 min read. Update <2020-09-11 Fri> See the preprint here based on this blog post. Background. My Stanford office-mate and good friend Josh Loftus messaged me about an -
The origin of randomization | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/randomization-origin/3 Jun 2024: Search. The origin of randomization. 2022-04-22 14 min read. This post is derived from my talk “Fisher, Statistics, and Randomization” in the Fisher in the 21st Century Conference organized by Fisher’s College, Gonville & Caius. In the first -
Discussion on (quasi-)randomization inference | Qingyuan Zhao
https://www.statslab.cam.ac.uk/~qz280/post/randomization-hyunseung/3 Jun 2024: Search. Discussion on (quasi-)randomization inference. 2023-01-10 12 min read. The following is an email exchange with Hyunseung Kang on the nature of randomization inference. This was sparked by a couple of papers by David Freedman and David -
Practical: Randomization inference
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/P1.pdf3 Jun 2024: How was itcarried out? 2. Download the patient-level data, then run the following code in R (you may need to install the readxlpackage first by install.packages("readxl")). -
Practical: Randomization inference
www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/S1.pdf3 Jun 2024: 2. Download the patient-level data, then run the following code in R (you may need to install the readxlpackage first by install.packages("readxl")). -
STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 7: Binomial…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P7.pdf3 Jun 2024: 20, based on our fitted model.Download the remaining fixtures from the course webpage using. > ... sim_table <- sim_table[, -1]. Now download the current standings of the teams with. > -
www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml
www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml3 Jun 2024: li> <li> <a href="https://core.ac.uk/download/pdf/208248069.pdf" target="_blank" rel="noopener">Models and statistical inference: The controversy between Fisher and Neyman–Pearson</a>.</li> </ol> ... href="https://core.ac.uk/download/pdf/208248069.pdf" -
STATISTICAL MODELLING Part IIC / Michaelmas 2022Example Sheet 3 ...
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/E3.pdf3 Jun 2024: 2. Download the Cambridge Colleges data with. > path <- "http://www.statslab.cam.ac.uk/rds37/teaching/statistical_modelling/". > -
STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 5: ANOVA and …
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P5.pdf3 Jun 2024: S. A. Bacallado and Dr. R. Shah. ANOVA. Download the EssayMarks dataset from my webpage:. > ... How about EssayMarksLM2 andEssayMarksLM4? ANCOVA. Download the Cycling data from the course webpage. > -
STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 6: Binomial…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P6.pdf3 Jun 2024: Download the data from the course webpage:. > path <- "http://www.statslab.cam.ac.uk/rds37/teaching/statistical_modelling/". > ... 2. Binomial responses with multiple trials. Download the Smoking data from the course webpage with. > -
STATISTICAL MODELLING Part IIC, Michaelmas 2021 Practical 8:…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P8.pdf3 Jun 2024: The original data areavailable at http://andrewgelman.com/2008/01/21/the_speeddating_1/. Download an editedversion of the data from the course webpage with. > ... Download the data from the course webpage with. > Drinks <- read.table(paste(file_path, -
www.statslab.cam.ac.uk/~qz280/post/index.xml
www.statslab.cam.ac.uk/~qz280/post/index.xml3 Jun 2024: li> <li> <a href="https://core.ac.uk/download/pdf/208248069.pdf" target="_blank" rel="noopener">Models and statistical inference: The Fisher. -
MR Data Challenge 2019 — The role of lipoprotein subfractions in…
www.statslab.cam.ac.uk/~qz280/publication/mr-lipids/report.pdf3 Jun 2024: uk-biobank/CAD Nikpay 26343387 http://www.cardiogramplusc4d.org/data-downloads/CAD Nelson 28714975 http://www.cardiogramplusc4d.org/data-downloads/. -
STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 3: Linear…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P3.pdf3 Jun 2024: Theread.csv function creates data frames from comma-separated value files. Download the students’ brainsize data from my website and store it in the data frame BrainSize. > -
www.statslab.cam.ac.uk/~qz280/index.xml
www.statslab.cam.ac.uk/~qz280/index.xml3 Jun 2024: Qingyuan Zhao https://www.statslab.cam.ac.uk/qz280/ Qingyuan Zhao Source Themes Academic (https://sourcethemes.com/academic/) en-us 2024 Tue, 14 May 2024 20:43:39 0100 -
MR Data Challenge 2019 — The role of lipoprotein subfractions in…
www.statslab.cam.ac.uk/~qz280/talk/mr-raps-markdown/report.pdf3 Jun 2024: uk-biobank/CAD Nikpay 26343387 http://www.cardiogramplusc4d.org/data-downloads/CAD Nelson 28714975 http://www.cardiogramplusc4d.org/data-downloads/. -
STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 4: More on…
www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P4.pdf3 Jun 2024: 2. Download the data for film earnings in 2010. > Movies2010 <- read.csv(paste(file_path, "Movies2010.csv", sep ="")). Compute 95% prediction intervals (see? predict.lm) for each of the earnings of
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