Selected publications in reversed chronological order.


  1. Accelerated gradient methods for sparse statistical learning with nonconvex penalties
    Kai Yang ,  Masoud Asgharian ,  and  Sahir Bhatnagar
    Statistics and Computing, 2024
  2. Investigating Sensitive Issues in Class Through Randomized Response Polling
    Christian Genest ,  James A Hanley ,  and  Sahir R Bhatnagar
    Journal of Statistics and Data Science Education, 2024
  3. Comparing GPT-3.5 and GPT-4 Accuracy and Drift in Radiology Diagnosis Please Cases
    David Li ,  Kartik Gupta ,  Mousumi Bhaduri , and 3 more authors
    Radiology, 2024


  1. A sparse additive model for high-dimensional interactions with an exposure variable
    Sahir R Bhatnagar ,  Tianyuan Lu ,  Amanda Lovato , and 6 more authors
    Computational Statistics & Data Analysis, 2023
  2. Variable selection in regression-based estimation of dynamic treatment regimes
    Zeyu Bian ,  Erica EM Moodie ,  Susan M Shortreed , and 1 more author
    Biometrics, 2023
  3. Efficient penalized generalized linear mixed models for variable selection and genetic risk prediction in high-dimensional data
    Julien St-Pierre ,  Karim Oualkacha ,  and  Sahir Rai Bhatnagar
    Bioinformatics, 2023
  4. Novel insights into systemic sclerosis using a sensitive computational method to analyze whole-genome bisulfite sequencing data
    Jeffrey CY Yu ,  Yixiao Zeng ,  Kaiqiong Zhao , and 8 more authors
    Clinical Epigenetics, 2023
  5. Case-Base Neural Networks: survival analysis with time-varying, higher-order interactions
    Jesse Islam ,  Maxime Turgeon ,  Robert Sladek , and 1 more author
    arXiv preprint arXiv:2301.06535, 2023
  6. Socioeconomic factors impact the risk of HIV acquisition in the township population of South Africa: A Bayesian analysis
    Cindy Leung Soo ,  Nitika Pant Pai ,  Susan J Bartlett , and 3 more authors
    PLOS Global Public Health, 2023
  7. Variable selection in regression-based estimation of dynamic treatment regimes
    Zeyu Bian ,  Erica EM Moodie ,  Susan M Shortreed , and 1 more author
    Biometrics, 2023


  1. Sparse Bayesian Predictive Modelling of Tumor Response Using Radiomic Features
    Shirin Golchi ,  Jingyan Fu ,  Xiaoyang Liu , and 3 more authors
    Stat, 2022
  2. The “Poisson” distribution: history, reenactments, adaptations
    James A Hanley ,  and  Sahir Bhatnagar
    The American Statistician, 2022
  3. Novel mobility index tracks COVID-19 transmission following stay-at-home orders
    Peter Hyunwuk Her ,  Sahar Saeed ,  Khai Hoan Tram , and 1 more author
    Scientific reports, 2022
  4. Variable Selection for Individualized Treatment Rules with Discrete Outcomes
    Zeyu Bian ,  Erica EM Moodie ,  Susan M Shortreed , and 2 more authors
    arXiv preprint arXiv:2205.13609, 2022
  5. Considering strategies for SNP selection in genetic and polygenic risk scores
    Julien St- Pierre ,  Xinyi Zhang ,  Tianyuan Lu , and 5 more authors
    Frontiers in Genetics, 2022


  1. Polygenic risk score for low-density lipoprotein cholesterol is associated with risk of ischemic heart disease and enriches for individuals with familial hypercholesterolemia
    Haoyu Wu ,  Vincenzo Forgetta ,  Sirui Zhou , and 3 more authors
    Circulation: Genomic and Precision Medicine, 2021
  2. Improved prediction of fracture risk leveraging a genome-wide polygenic risk score
    Tianyuan Lu ,  Vincenzo Forgetta ,  Julyan Keller-Baruch , and 8 more authors
    Genome medicine, 2021
  3. Block coordinate descent algorithm improves variable selection and estimation in error-in-variables regression
    Célia Escribe ,  Tianyuan Lu ,  Julyan Keller-Baruch , and 6 more authors
    Genetic Epidemiology, 2021
  4. Improved Detection of Chronic Obstructive Pulmonary Disease at Chest CT Using the Mean Curvature of Isophotes
    Peter Savadjiev ,  Benoit Gallix ,  Morteza Rezanejad , and 7 more authors
    Radiology: Artificial Intelligence, 2021
  5. Combien y a-t-il de personnes vaccinées dans mon groupe?
    Christian Genest ,  James A Hanley ,  and  Sahir Rai Bhatnagar
    Bulletin AMQ, 2021


  1. Simultaneous SNP selection and adjustment for population structure in high dimensional prediction models
    Sahir R Bhatnagar ,  Yi Yang ,  Tianyuan Lu , and 5 more authors
    PLoS Genetics, 2020
  2. Development of a polygenic risk score to improve screening for fracture risk: a genetic risk prediction study
    Vincenzo Forgetta ,  Julyan Keller-Baruch ,  Marie Forest , and 8 more authors
    PLoS medicine, 2020


  1. A comparison of pathologic outcomes of open, laparoscopic, and robotic resections for rectal cancer using the ACS-NSQIP proctectomy-targeted database: a propensity score analysis
    Richard Garfinkle ,  Maria Abou-Khalil ,  Sahir Bhatnagar , and 5 more authors
    Journal of Gastrointestinal Surgery, 2019
  2. Identification of new therapeutic targets for osteoarthritis through genome-wide analyses of UK Biobank data
    Ioanna Tachmazidou ,  Konstantinos Hatzikotoulas ,  Lorraine Southam , and 8 more authors
    Nature genetics, 2019
  3. Genome-wide analyses using UK biobank data povide new therapeutic targets for osteoarthritis
    Konstantinos Hatzikotoulas ,  Ioanna Tachmazidou ,  Lorraine Southam , and 8 more authors
    Osteoarthritis and Cartilage, 2019


  1. An analytic approach for interpretable predictive models in high-dimensional data in the presence of interactions with exposures
    Sahir Rai Bhatnagar ,  Yi Yang ,  Budhachandra Khundrakpam , and 4 more authors
    Genetic epidemiology, 2018
  2. Genomic Prediction of Osteoporosis Using 426,000 Individuals from UK Biobank
    Vincenzo Forgetta ,  Julyan Keller-Baruch ,  Marie Forest , and 8 more authors
    Journal of Bone and Mineral Research, 2018


  1. Comparing alternating logistic regressions to other approaches to modelling correlated binary data
    SR Bhatnagar ,  J Atherton ,  and  A Benedetti
    Journal of Statistical Computation and Simulation, 2015