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  2. www.statslab.cam.ac.uk/~qz280/tag/fun-posts/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/fun-posts/index.xml
    3 Jun 2024: As many people know, the popularity of Mendelian randomization (MR) has been fast growing in the last few years.
  3. www.statslab.cam.ac.uk/~qz280/teaching/index.xml

    www.statslab.cam.ac.uk/~qz280/teaching/index.xml
    3 Jun 2024: href="https://www.biostat.washington.edu/people/ting-ye" target="_blank" rel="noopener">Ting Ye</a>, <a href="https://www.statslab.cam.ac.uk/qz280/qz280">Qingyuan Zhao</a>.</li> ... Teaching assistant: <a
  4. Effect Modification | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/effect-modification/
    3 Jun 2024: Optimal individualized treatment rules try to assign the best treatment to every individual, but it may be very sensitive to unmeasured confounding bias for groups of people exhibiting small treatment effect
  5. Resources for Mendelian randomization | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/mr-software/
    3 Jun 2024: This page collects some useful resources for people interested in Mendelian randomization.
  6. Sensitivity Analysis | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/tag/sensitivity-analysis/
    3 Jun 2024: Optimal individualized treatment rules try to assign the best treatment to every individual, but it may be very sensitive to unmeasured confounding bias for groups of people exhibiting small treatment effect
  7. www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/instrumental-variables/index.xml
    3 Jun 2024: https://www.statslab.cam.ac.uk/qz280/post/mr-software/ <p>This page collects some useful resources for people interested in Mendelian randomization.</p> <h2 id="software">Software</h2> <h3
  8. BETS: The dangers of selection bias in early analyses ...

    www.statslab.cam.ac.uk/~qz280/talk/ghent-2021/slides.pdf
    3 Jun 2024: Wuhan-exposed population PIntuitively, P = All people who stayed in Wuhan between 12am December 1, 2019(time 0) and 12am January 24, 2020 (time L, the lockdown). ... We do not differentiate between people who stayed in Wuhan orwent to a different location
  9. www.statslab.cam.ac.uk/~qz280/tag/freedman/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/freedman/index.xml
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  10. BETS: The dangers of selection bias in early analyses ...

    www.statslab.cam.ac.uk/~qz280/talk/osu-2020/slides.pdf
    3 Jun 2024: Wuhan-exposed population PIntuitively, P = All people who stayed in Wuhan between 12am December 1, 2019(time 0) and 12am January 24, 2020 (time L, the lockdown). ... We do not differentiate between people who stayed in Wuhan orwent to a different location
  11. Confounder adjustment in large-scale linear structural models

    www.statslab.cam.ac.uk/~qz280/publication/cate-mutual-fund/slides.pdf
    3 Jun 2024: tj︸︷︷︸idiosyncratic risk. People have discovered many systematic risk factors Z over the years:I Market-average: this is the Capital Asset Pricing Model (CAPM).
  12. Machine Learning meets Biostatistics IIA crash course on Causal ...

    www.statslab.cam.ac.uk/~qz280/talk/ccaim-summer-school-2022/slides.pdf
    3 Jun 2024: But in the earlydays, many people find it difficult to accept.
  13. www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/mendelian-randomization/index.xml
    3 Jun 2024: As many people know, the popularity of Mendelian randomization (MR) has been fast growing in the last few years. ... collects some useful resources for people interested in Mendelian randomization.</p> <h2 id="software">Software</h2> <h3
  14. 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: As many people know, the popularity of Mendelian randomization (MR) has been fast growing in the last few years.
  15. Selecting and ranking individualized treatment rules with unmeasured…

    https://www.statslab.cam.ac.uk/~qz280/publication/individualized-rule-sensitivity/
    3 Jun 2024: June 2019Abstract. Optimal individualized treatment rules try to assign the best treatment to every individual, but it may be very sensitive to unmeasured confounding bias for groups of people exhibiting small
  16. Statistical Modeling: Returning to its roots | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/breiman-reprint-2021/
    3 Jun 2024: Causal inference was a niche research area (if not still a niche area now); at least very few people around me knew much about it. ... In the clinic, I have met many people who need help with statistical methodology.
  17. www.statslab.cam.ac.uk/~qz280/tag/workflow/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/workflow/index.xml
    3 Jun 2024: md demo.md hero.md projects.md tags.md accomplishments.md experience.md index.md skills.md teaching.md contact.md featured.md people.md slider.md welcome.md </code></pre>
  18. BETS: The dangers of selection bias in early analyses ...

    www.statslab.cam.ac.uk/~qz280/talk/yale-biostats-2020/slides.pdf
    3 Jun 2024: Wuhan-exposed population PIntuitively, P = All people who stayed in Wuhan between 12am December 1, 2019(time 0) and 12am January 24, 2020 (time L, the lockdown). ... We do not differentiate between people who stayed in Wuhan orwent to a different location
  19. SISCER Module 12 Lecture 2: Matching for Cohort Studies

    www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/L2.pdf
    3 Jun 2024: In other words,. people who look comparable are comparable. This is called the no unmeasuredconfounders assumption (or strong ignorability, or conditional exchangeability).
  20. Mendelian randomization: From genetic association to epidemiological…

    www.statslab.cam.ac.uk/~qz280/publication/mr-partially-bayes/slides.pdf
    3 Jun 2024: β0?Genetic. association. Epidemiologicalcausation. 1/33. Motivation: Epidemiology of cardiovascular diseasesI Cardiovascular diseases take the lives of 17.7 million people every.
  21. Design: The Elusive Principle of Statistics

    www.statslab.cam.ac.uk/~qz280/talk/oxford-2024/slides.pdf
    3 Jun 2024: Illustration: Causal effect of the LDL-cholesterol. Basic idea: People who inherited certain alleles of rs17238484 and rs12916 have naturallylower LDL cholesterol that mimic the effect of statin.
  22. www.statslab.cam.ac.uk/~qz280/index.xml

    www.statslab.cam.ac.uk/~qz280/index.xml
    3 Jun 2024: href="https://www.biostat.washington.edu/people/ting-ye" target="_blank" rel="noopener">Ting Ye</a>, <a href="https://www.statslab.cam.ac.uk/qz280/qz280">Qingyuan Zhao</a>.</li> ... people who do conformal inference for example) would not consider
  23. Causal Inference: An Introduction Qingyuan Zhao Statistical…

    www.statslab.cam.ac.uk/~qz280/talk/ssrmp-2020/slides.pdf
    3 Jun 2024: Ethical problems, high cost, and many other reasons. Non-compliance. People may not comply with assigned treatment or drop out during the study. =
  24. CAUSAL INTERPRETATIONS OF BLACK-BOX MODELS QINGYUAN ZHAO AND TREVOR…

    www.statslab.cam.ac.uk/~qz280/publication/pdp/paper.pdf
    3 Jun 2024: algorithms in our first real data example. In an attempt to quantify people’s willingness. ... trend. This suggests that when two districts have the same other attributes, people.
  25. Migrating my website to Hugo + Academic + ox-hugo | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/migrating/
    3 Jun 2024: ls content/home. about.md demo.md hero.md projects.md tags.md accomplishments.md experience.md index.md skills.md teaching.md contact.md featured.md people.md slider.md
  26. Discussion on (quasi-)randomization inference | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/randomization-hyunseung/
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  27. Small Data, Big Time—A retrospect of the first weeks of COVID-19

    www.statslab.cam.ac.uk/~qz280/publication/covid-19-retrospect/paper.pdf
    3 Jun 2024: The 2002-2003 SARS epidemic infected atleast eight thousand people (mostly in China) and caused at least 774 deaths [17]. ... Before Wuhan’s eventuallockdown on January 23, five million people left Wuhan (typically to go back home or for tourism)
  28. PathGPS 1 PathGPS: Discover shared genetic architecture using GWAS ...

    www.statslab.cam.ac.uk/~qz280/publication/pathgps/paper.pdf
    3 Jun 2024: 2011). China kadoorie. 22 Biometrics, 000 0000. biobank of 0.5 million people: survey methods, baseline characteristics and long-term.
  29. www.statslab.cam.ac.uk/~qz280/tag/causal-inference/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/causal-inference/index.xml
    3 Jun 2024: In the clinic, I have met many people who need help with statistical methodology. ... As many people know, the popularity of Mendelian randomization (MR) has been fast growing in the last few years.
  30. www.statslab.cam.ac.uk/~qz280/post/index.xml

    www.statslab.cam.ac.uk/~qz280/post/index.xml
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  31. Statistical modellingLecturer: Alberto J. Coca…

    www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/notes_3Dec19.pdf
    3 Jun 2024: Statistical modellingLecturer: Alberto J. Coca. alberto.j.coca@statslab.cam.ac.uk1. Course website: https://albertococacabrero.wordpress.com/teaching/lectures/statistical-modelling-michaelmas-2019/. Acknowledgements: the following notes (and the
  32. www.statslab.cam.ac.uk/~qz280/tag/fisher/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/fisher/index.xml
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  33. Practical: Matching/Weighting and Sensitivity Analysis

    www.statslab.cam.ac.uk/~qz280/teaching/siscer-2023/P2.pdf
    3 Jun 2024: The treatment variable is physically.inactive.Following Davis et al. (1994), we excluded people who were quite ill at the time of the NHANES I survey.We included people aged between ... 45 and 74 at baseline, and excluded people who, prior to NHANES I,
  34. Lecture Notes on Statistical Modelling Qingyuan Zhao December 2, ...

    www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/notes.pdf
    3 Jun 2024: Lecture Notes on Statistical Modelling. Qingyuan Zhao. December 2, 2021. Website for this course: http://www.statslab.cam.ac.uk/qz280/teaching/modelling-2021/. Copyright c2021 Dr Qingyuan Zhao (qyzhao@statslab.cam.ac.uk). This document should be
  35. Lecture Notes on Causal Inference(with corrections) Qingyuan Zhao May …

    www.statslab.cam.ac.uk/~qz280/teaching/causal-2023/notes-2021.pdf
    3 Jun 2024: Note the abuse of notation.Due to historical reasons, people often use the jargon SUTVA (stable unit treatment.
  36. www.statslab.cam.ac.uk/~qz280/tag/randomization/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/randomization/index.xml
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  37. Is this estimand really an average treatment effect? | Qingyuan Zhao

    https://www.statslab.cam.ac.uk/~qz280/post/policing-ate-estimand/
    3 Jun 2024: Counterfactual is a much richer language than graphs to describe causality, and people may interpret the same causal graph differently (see this paper for some possibilities).
  38. www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml

    www.statslab.cam.ac.uk/~qz280/tag/philosophy/index.xml
    3 Jun 2024: The discussion above seems to indicate that it is closer to Bayesian thinking/subjective probability, but interestingly most people who use it (not just Paul Rosenbaum, Lehmann-Romano, but also the ... people who do conformal inference for example) would
  39. Discovering Mechanistic Heterogeneity using Mendelian Randomization

    www.statslab.cam.ac.uk/~qz280/talk/pcic-2020/slides.pdf
    3 Jun 2024: Motivation. Example: Causal effect of the LDL-cholesterol. Basic idea: People who inherited certain alleles of rs17238484 and rs12916have naturally higher concentration of LDL cholesterol.
  40. STATISTICAL MODELLING Part IIC, Michaelmas 2021Practical 3: Linear…

    www.statslab.cam.ac.uk/~qz280/teaching/modelling-2022/P3.pdf
    3 Jun 2024: However, there is an important lesson to be learnt here. The way to interpret the negative coefficientis not that taller people have lower IQs, but that for a unit increase in ... Note the correlationmatrix obtained from cor(BrainSize[, -1]) shows a
  41. The Cycle of Statistical Research Qingyuan Zhao Statistical…

    www.statslab.cam.ac.uk/~qz280/talk/ccimi-2020/slides.pdf
    3 Jun 2024: Ethical problems, high cost, and other reasons. Non-compliance. People may not comply with assigned treatment or drop out during the study. ... Let WIt be the number of infected people in Wuhan on day t.
  42. SEISMIC: A Self-Exciting Point Process Model for Predicting Tweet…

    www.statslab.cam.ac.uk/~qz280/publication/seismic/slides.pdf
    3 Jun 2024: An information cascade occurs when people engage in the same actions.
  43. Selection bias in 2020 Qingyuan Zhao Statistical Laboratory,…

    www.statslab.cam.ac.uk/~qz280/talk/ocis-2020/slides.pdf
    3 Jun 2024: Wuhan-exposed population PIntuitively, P = All people who stayed in Wuhan between 12am December 1, 2019(time 0) and 12am January 24, 2020 (time L, the lockdown). ... We do not differentiate between people who stayed in Wuhan orwent to a different location
  44. Using Mendelian randomization to discover biological mechanisms

    www.statslab.cam.ac.uk/~qz280/talk/jsm-2023/slides.pdf
    3 Jun 2024: Basic idea: People who inherited certain alleles of rs17238484 and rs12916 havenaturally higher concentration of LDL cholesterol. ... Example: Causal effect of the LDL-cholesterol. Basic idea: People who inherited certain alleles of rs17238484 and
  45. Two high-profile examples of selection bias Qingyuan Zhao Statistical …

    www.statslab.cam.ac.uk/~qz280/talk/uw-csss-2022/slides.pdf
    3 Jun 2024: Wuhan-exposed population P. Intuitively, P = All people who stayed in Wuhan between 12am December 1, 2019 (time 0) and 12amJanuary 24, 2020 (time L, the lockdown). ... We do notdifferentiate between people who stayed in Wuhan or went to a different
  46. BETS: The dangers of selection bias in early analyses ...

    www.statslab.cam.ac.uk/~qz280/talk/ido-2021/slides.pdf
    3 Jun 2024: Wuhan-exposed population PIntuitively, P = All people who stayed in Wuhan between 12am December 1, 2019(time 0) and 12am January 24, 2020 (time L, the lockdown). ... We do not differentiate between people who stayed in Wuhan orwent to a different location

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