Most-cited Mathematics papers of 2022, with free PDFs

The 25 most-cited Mathematics research papers published in 2022, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. How much should we trust staggered difference-in-differences estimates?
   Andrew C. Baker, David F. Larcker et al. · 2022 · 3,250 citations
2. Global impact of the first year of COVID-19 vaccination: a mathematical modelling study
   Oliver John Watson, Gregory Barnsley et al. · 2022 · 1,782 citations
3. Estimating excess mortality due to the COVID-19 pandemic: a systematic analysis of COVID-19-related mortality, 2020–21
   Haidong Wang, Katherine R Paulson et al. · 2022 · 1,732 citations
4. Receiver operating characteristic curve: overview and practical use for clinicians
   Francis Sahngun Nahm · 2022 · 1,485 citations
5. When Should You Adjust Standard Errors for Clustering?
   Alberto Abadie, Susan Carleton Athey et al. · 2022 · 1,471 citations · Free PDF
6. Generalizing hierarchical and variation partitioning in multiple regression and canonical analyses using the rdacca.hp R package
   Jiangshan Lai, Yi Zou et al. · 2022 · 1,268 citations · Free PDF
7. The WHO estimates of excess mortality associated with the COVID-19 pandemic
   William Msemburi, Ariel Karlinsky et al. · 2022 · 1,068 citations · Free PDF
8. Target Trial Emulation
   Miguel Ángel Hernán, Wei Wang et al. · 2022 · 993 citations
9. Optimal ratio for data splitting
   V. Roshan Joseph · 2022 · 783 citations · Free PDF
10. Pretest with Caution: Event-Study Estimates after Testing for Parallel Trends
    Jonathan Roth · 2022 · 760 citations
11. A Crash Course in Good and Bad Controls
    Carlos Cinelli, Andrew Forney et al. · 2022 · 619 citations
12. Mitigating the Multicollinearity Problem and Its Machine Learning Approach: A Review
    Jireh Yi-Le Chan, Steven Mun Hong Leow et al. · 2022 · 613 citations · Free PDF
13. A Review of Wavelet Analysis and Its Applications: Challenges and Opportunities
    Tiantian Guo, Tongpo Zhang et al. · 2022 · 581 citations
14. glmm.hp: an R package for computing individual effect of predictors in generalized linear mixed models
    Jiangshan Lai, Yi Zou et al. · 2022 · 551 citations
15. Two-way fixed effects and differences-in-differences with heterogeneous treatment effects: a survey
    Clément de Chaisemartin, Xavier D’Haultfœuille · 2022 · 535 citations
16. Interpreting area under the receiver operating characteristic curve
    Anne de Hond, Ewout Willem Steyerberg et al. · 2022 · 497 citations · Free PDF
17. Real-world data: a brief review of the methods, applications, challenges and opportunities
    Fang Liu, Demosthenes B. Panagiotakos · 2022 · 490 citations · Free PDF
18. Cross validation for model selection: A review with examples from ecology
    Luke A. Yates, Zach Aandahl et al. · 2022 · 464 citations · Free PDF
19. Sample size calculation for prevalence studies using Scalex and ScalaR calculators
    Lin Naing, Rusli Bin Nordin et al. · 2022 · 437 citations · Free PDF
20. Pandemic preparedness and COVID-19: an exploratory analysis of infection and fatality rates, and contextual factors associated with preparedness in 177 countries, from Jan 1, 2020, to Sept 30, 2021
    Thomas J Bollyky, Erin N. Hulland et al. · 2022 · 427 citations
21. The triple difference estimator
    Andreas Olden, Jarle Møen · 2022 · 423 citations
22. Sample size determination: A practical guide for health researchers
    Alaa Althubaiti · 2022 · 403 citations
23. Handling missing data in clinical research
    Martijn W. Heymans, Jos W. R. Twisk · 2022 · 393 citations
24. A Practical Guide to Counterfactual Estimators for Causal Inference with Time‐Series Cross‐Sectional Data
    Licheng Liu, Ye Wang et al. · 2022 · 388 citations · Free PDF
25. Can Cross-Sectional Studies Contribute to Causal Inference? It Depends
    David A. Savitz, Gregory A. Wellenius · 2022 · 360 citations

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