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3 Jun 2024: Search. Randomization Inference. Almost exact Mendelian randomization. By combining causal graphs and randomization inference, a formal justification for Mendelian randomization is given in the context of with-family studies. The randomization

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,

3 Jun 2024: Search. A constructive approach to selective risk control. Zijun Gao, Wenjie Hu, Qingyuan Zhao. February 2024Abstract. Many modern applications require the use of data to both select the statistical tasks and make valid inference after selection. In

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.

3 Jun 2024: Search. Multiple testing when many $p$-values are uniformly conservative. with application to testing qualitative interaction in educational interventions. Qingyuan Zhao, Dylan Small, Weijie Su. March 2017Abstract. Qualitative interaction is an

3 Jun 2024: Search. Talks. 2024. Design: The Elusive Principle of Statistics. 2024-03-07 1:00 PM — 2:00 PM University of Oxford. 2024-02-13 2:00 PM — 3:00 PM University of East Anglia. 2024-02-08 2:00 PM — 3:00 PM London School of Economics and Political

3 Jun 2024: Search. On testing mean proportionality of multivariate normal variables. Etaash Katiyar, Qingyuan Zhao. March 2021Abstract. This short note considers the problem of testing the null hypothesis that the mean values of two multivariate normal

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

3 Jun 2024: Search. A unified analysis of regression adjustment in randomized experiments. Katarzyna Reluga, Ting Ye, Qingyuan Zhao. October 2022Abstract. Regression adjustment is broadly applied in randomized trials under the premise that it usually improves

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

3 Jun 2024: Search. Small Data, Big Time—A retrospect of the first weeks of COVID-19. April 2021Abstract. This article reviews some early investigations and research studies in the first weeks of the coron- avirus disease 2019 (COVID-19) pandemic from a

3 Jun 2024: Search. Seeking a summer research intern (EXPIRED). 2021-01-29 2 min read. I am posting a summer research project that may be suitable for Cambridge Part II students (or senior undergraduate students from other universities). Cambridge students can

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

3 Jun 2024: Search. Selective Randomization Inference for Adaptive Experiments. Tobias Freidling, Qingyuan Zhao, Zijun Gao. May 2024Abstract. Adaptive experiments use preliminary analyses of the data to inform further course of action and are commonly used in

3 Jun 2024: Search. Amusing counterfactual inference (by words). 2022-05-19 2 min read. My good friend Joshua Loftus and I spent some 30 minutes to crack (at least we think we did!) a counterfactual inference made in a speech in the House of Commons in London

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.

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

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’

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

3 Jun 2024: Search. Publications. Type. Uncategorized. Conference paper. Journal article. Preprint. Date. 2024. 2023. 2022. 2021. 2020. 2019. 2018. 2017. 2016. 2015. Tobias Freidling, Qingyuan Zhao, Zijun Gao (2024). Zixuan Wu, Ethan Lewis, Qingyuan Zhao,

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

23 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.

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

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

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

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

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

3 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

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

3 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")).

3 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")).

3 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. >

3 Jun 2024: 2. Download the Cambridge Colleges data with. > path <- "http://www.statslab.cam.ac.uk/rds37/teaching/statistical_modelling/". >

3 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"

3 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. >

3 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. >

3 Jun 2024: li> <li> <a href="https://core.ac.uk/download/pdf/208248069.pdf" target="_blank" rel="noopener">Models and statistical inference: The Fisher.

3 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,

3 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. >

3 Jun 2024: uk-biobank/CAD Nikpay 26343387 http://www.cardiogramplusc4d.org/data-downloads/CAD Nelson 28714975 http://www.cardiogramplusc4d.org/data-downloads/.

3 Jun 2024: uk-biobank/CAD Nikpay 26343387 http://www.cardiogramplusc4d.org/data-downloads/CAD Nelson 28714975 http://www.cardiogramplusc4d.org/data-downloads/.

3 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