@article{yang2024accelerated,title={Accelerated gradient methods for sparse statistical learning with nonconvex penalties},author={Yang, Kai and Asgharian, Masoud and Bhatnagar, Sahir},journal={Statistics and Computing},volume={34},number={1},pages={59},year={2024},publisher={Springer US New York},doi={10.1007/s11222-023-10371-8},}
Variable selection for individualised treatment rules with discrete outcomes
Zeyu Bian, Erica EM Moodie, Susan M Shortreed, Sylvie D Lambert, and Sahir Bhatnagar
Journal of the Royal Statistical Society Series C: Applied Statistics, 2024
@article{bian2024variable,title={Variable selection for individualised treatment rules with discrete outcomes},author={Bian, Zeyu and Moodie, Erica EM and Shortreed, Susan M and Lambert, Sylvie D and Bhatnagar, Sahir},journal={Journal of the Royal Statistical Society Series C: Applied Statistics},volume={73},number={2},pages={298--313},year={2024},publisher={Oxford University Press US},doi={10.1093/jrsssc/qlad096},}
Case-Base Neural Network: Survival analysis with time-varying, higher-order interactions
Jesse Islam, Maxime Turgeon, Robert Sladek, and Sahir Bhatnagar
@article{islam2024case,title={Case-Base Neural Network: Survival analysis with time-varying, higher-order interactions},author={Islam, Jesse and Turgeon, Maxime and Sladek, Robert and Bhatnagar, Sahir},journal={Machine Learning with Applications},volume={16},pages={100535},year={2024},publisher={Elsevier},doi={10.1016/j.mlwa.2024.100535},}
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
@article{genest2024investigating,title={Investigating Sensitive Issues in Class Through Randomized Response Polling},author={Genest, Christian and Hanley, James A and Bhatnagar, Sahir R},journal={Journal of Statistics and Data Science Education},pages={1--7},year={2024},publisher={Taylor \& Francis},doi={10.1080/26939169.2024.2302179},}
Comparing GPT-3.5 and GPT-4 accuracy and drift in radiology diagnosis please cases
David Li, Kartik Gupta, Mousumi Bhaduri, Paul Sathiadoss, Sahir Bhatnagar, and Jaron Chong
@article{li2024comparing,title={Comparing GPT-3.5 and GPT-4 accuracy and drift in radiology diagnosis please cases},author={Li, David and Gupta, Kartik and Bhaduri, Mousumi and Sathiadoss, Paul and Bhatnagar, Sahir and Chong, Jaron},journal={Radiology},volume={310},number={1},pages={e232411},year={2024},publisher={Radiological Society of North America},doi={10.1148/radiol.232411},}
A multimodal neural network with gradient blending improves predictions of survival and metastasis in sarcoma
Anthony Bozzo, Alex Hollingsworth, Subrata Chatterjee, Aditya Apte, Jiawen Deng, Simon Sun, William Tap, Ahmed Aoude, Sahir Bhatnagar, and John H Healey
@article{bozzo2024multimodal,title={A multimodal neural network with gradient blending improves predictions of survival and metastasis in sarcoma},author={Bozzo, Anthony and Hollingsworth, Alex and Chatterjee, Subrata and Apte, Aditya and Deng, Jiawen and Sun, Simon and Tap, William and Aoude, Ahmed and Bhatnagar, Sahir and Healey, John H},journal={npj Precision Oncology},volume={8},number={1},pages={188},year={2024},publisher={Nature Publishing Group UK London},doi={10.1038/s41698-024-00695-7},}
Development of Machine Learning Models for Predicting the 1-Year Risk of Reoperation After Lower Limb Oncological Resection and Endoprosthetic Reconstruction Based on Data From the PARITY Trial
Jiawen Deng, Myron Moskalyk, Matthew Shammas-Toma, Ahmed Aoude, Michelle Ghert, Sahir Bhatnagar, and Anthony Bozzo
@article{deng2024development,title={Development of Machine Learning Models for Predicting the 1-Year Risk of Reoperation After Lower Limb Oncological Resection and Endoprosthetic Reconstruction Based on Data From the PARITY Trial},author={Deng, Jiawen and Moskalyk, Myron and Shammas-Toma, Matthew and Aoude, Ahmed and Ghert, Michelle and Bhatnagar, Sahir and Bozzo, Anthony},journal={Journal of surgical oncology},year={2024},doi={10.1002/jso.27854},}
Hierarchical selection of genetic and gene by environment interaction effects in high-dimensional mixed models
Julien St-Pierre, Karim Oualkacha, and Sahir Rai Bhatnagar
@article{st2023hierarchical,title={Hierarchical selection of genetic and gene by environment interaction effects in high-dimensional mixed models},author={St-Pierre, Julien and Oualkacha, Karim and Rai Bhatnagar, Sahir},journal={Statistical Methods in Medical Research},pages={09622802241293768},year={2024},publisher={SAGE Publications Sage UK: London, England},doi={10.1177/09622802241293768},}
2023
A sparse additive model for high-dimensional interactions with an exposure variable
Sahir R Bhatnagar, Tianyuan Lu, Amanda Lovato, David L Olds, Michael S Kobor, Michael J Meaney, Kieran O’Donnell, Archer Y Yang, and Celia MT Greenwood
@article{bhatnagar2023sparse,title={A sparse additive model for high-dimensional interactions with an exposure variable},author={Bhatnagar, Sahir R and Lu, Tianyuan and Lovato, Amanda and Olds, David L and Kobor, Michael S and Meaney, Michael J and O'Donnell, Kieran and Yang, Archer Y and Greenwood, Celia MT},journal={Computational Statistics \& Data Analysis},volume={179},pages={107624},year={2023},publisher={North-Holland},doi={10.1016/j.csda.2022.107624},}
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
@article{st2023efficient,title={Efficient penalized generalized linear mixed models for variable selection and genetic risk prediction in high-dimensional data},author={St-Pierre, Julien and Oualkacha, Karim and Bhatnagar, Sahir Rai},journal={Bioinformatics},volume={39},number={2},pages={btad063},year={2023},publisher={Oxford University Press},doi={10.1093/bioinformatics/btad063},}
Predicting histopathology markers of endometrial carcinoma with a quantitative image analysis approach based on spherical harmonics in multiparametric MRI
Thierry L Lefebvre, Ozan Ciga, Sahir Rai Bhatnagar, Yoshiko Ueno, Sameh Saif, Eric Winter-Reinhold, Anthony Dohan, Philippe Soyer, Reza Forghani, Kaleem Siddiqi, and others
@article{hanley2022poisson,title={The “Poisson” distribution: history, reenactments, adaptations},author={Hanley, James A and Bhatnagar, Sahir},journal={The American Statistician},volume={76},number={4},pages={363--371},year={2022},publisher={Taylor \& Francis},doi={10.1080/00031305.2022.2046159},}
Novel mobility index tracks COVID-19 transmission following stay-at-home orders
Peter Hyunwuk Her, Sahar Saeed, Khai Hoan Tram, and Sahir R Bhatnagar
@article{her2022novel,title={Novel mobility index tracks COVID-19 transmission following stay-at-home orders},author={Her, Peter Hyunwuk and Saeed, Sahar and Tram, Khai Hoan and Bhatnagar, Sahir R},journal={Scientific reports},volume={12},number={1},pages={7654},year={2022},publisher={Nature Publishing Group UK London},doi={10.1038/s41598-022-10941-2},}
Considering strategies for SNP selection in genetic and polygenic risk scores
Julien St-Pierre, Xinyi Zhang, Tianyuan Lu, Lai Jiang, Xavier Loffree, Linbo Wang, Sahir Bhatnagar, and Celia MT Greenwood
@article{bozzo2022deep,title={Deep Learning and Multimodal Artificial Intelligence in Orthopaedic Surgery},author={Bozzo, Anthony and Tsui, James MG and Bhatnagar, Sahir and Forsberg, Jonathan},journal={JAAOS-Journal of the American Academy of Orthopaedic Surgeons},pages={10--5435},year={2022},publisher={LWW},doi={10.5435/JAAOS-D-23-00831},}
casebase: An Alternative Framework for Survival Analysis and Comparison of Event Rates
Sahir Bhatnagar, Maxime Turgeon, Jesse Islam, James A. Hanley, and Olli Saarela
Malignancy risk stratification of cystic renal lesions based on a contrast-enhanced CT-based machine learning model and a clinical decision algorithm
Jérémy Dana, Thierry L Lefebvre, Peter Savadjiev, Sylvain Bodard, Simon Gauvin, Sahir Rai Bhatnagar, Reza Forghani, Olivier Hélénon, and Caroline Reinhold
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, Sahir R Bhatnagar, Guillaume Pare, and J Brent Richards
@article{bian2023variable,title={Variable selection in regression-based estimation of dynamic treatment regimes},author={Bian, Zeyu and Moodie, Erica EM and Shortreed, Susan M and Bhatnagar, Sahir},journal={Biometrics},volume={79},number={2},pages={988--999},year={2021},doi={10.1111/biom.13608},}
Block coordinate descent algorithm improves variable selection and estimation in error-in-variables regression
@article{escribe2021block,title={Block coordinate descent algorithm improves variable selection and estimation in error-in-variables regression},author={Escribe, C{\'e}lia and Lu, Tianyuan and Keller-Baruch, Julyan and Forgetta, Vincenzo and Xiao, Bowei and Richards, J Brent and Bhatnagar, Sahir and Oualkacha, Karim and Greenwood, Celia MT},journal={Genetic Epidemiology},volume={45},number={8},pages={874--890},year={2021},doi={10.1002/gepi.22430},}
Improved detection of chronic obstructive pulmonary disease at chest ct using the mean curvature of isophotes
Peter Savadjiev, Benoit Gallix, Morteza Rezanejad, Sahir Bhatnagar, Alexandre Semionov, Kaleem Siddiqi, Reza Forghani, Caroline Reinhold, David H Eidelman, and Ronald J Dandurand
@article{bhatnagar2020simultaneous,title={Simultaneous SNP selection and adjustment for population structure in high dimensional prediction models},author={Bhatnagar, Sahir R and Yang, Yi and Lu, Tianyuan and Schurr, Erwin and Loredo-Osti, JC and Forest, Marie and Oualkacha, Karim and Greenwood, Celia MT},journal={PLoS genetics},volume={16},number={5},pages={e1008766},year={2020},publisher={Public Library of Science San Francisco, CA USA},doi={10.1371/journal.pgen.1008766},}
Development of a polygenic risk score to improve screening for fracture risk: a genetic risk prediction study
Vincenzo Forgetta, Julyan Keller-Baruch, Marie Forest, Audrey Durand, Sahir Bhatnagar, John P Kemp, Maria Nethander, Daniel Evans, John A Morris, Douglas P Kiel, and others
@article{forgetta2020development,title={Development of a polygenic risk score to improve screening for fracture risk: a genetic risk prediction study},author={Forgetta, Vincenzo and Keller-Baruch, Julyan and Forest, Marie and Durand, Audrey and Bhatnagar, Sahir and Kemp, John P and Nethander, Maria and Evans, Daniel and Morris, John A and Kiel, Douglas P and others},journal={PLoS medicine},volume={17},number={7},pages={e1003152},year={2020},publisher={Public Library of Science San Francisco, CA USA},doi={10.1371/journal.pmed.1003152},}
Improved prediction of fracture risk leveraging a genome-wide polygenic risk score
Tianyuan Lu, Vincenzo Forgetta, Julyan Keller-Baruch, Maria Nethander, Derrick Bennett, Marie Forest, Sahir Bhatnagar, Robin Walters, Kuang Lin, Zhengming Chen, and others
@article{lu2020improved,title={Improved prediction of fracture risk leveraging a genome-wide polygenic risk score},author={Lu, Tianyuan and Forgetta, Vincenzo and Keller-Baruch, Julyan and Nethander, Maria and Bennett, Derrick and Forest, Marie and Bhatnagar, Sahir and Walters, Robin and Lin, Kuang and Chen, Zhengming and others},booktitle={Journal of Bone and Mineral Research},volume={35},pages={134--134},year={2020},organization={Wiley 111 RIVER ST, HOBOKEN 07030-5774, NJ USA},doi={10.1186/s13073-021-00838-6},}
2019
Identification of new therapeutic targets for osteoarthritis through genome-wide analyses of UK Biobank data
Ioanna Tachmazidou, Konstantinos Hatzikotoulas, Lorraine Southam, Jorge Esparza-Gordillo, Valeriia Haberland, Jie Zheng, Toby Johnson, Mine Koprulu, Eleni Zengini, Julia Steinberg, Jeremy Wilkinson, Sahir Bhatnagar, and others
@article{bhatnagar2018analytic,title={An analytic approach for interpretable predictive models in high-dimensional data in the presence of interactions with exposures},author={Bhatnagar, Sahir Rai and Yang, Yi and Khundrakpam, Budhachandra and Evans, Alan C and Blanchette, Mathieu and Bouchard, Luigi and Greenwood, Celia MT},journal={Genetic epidemiology},volume={42},number={3},pages={233--249},year={2018},doi={10.1002/gepi.22112},}
2016
Gene coexpression analyses differentiate networks associated with diverse cancers harboring TP53 missense or null mutations
Kathleen Oros Klein, Karim Oualkacha, Marie-Hélène Lafond, Sahir Bhatnagar, Patricia N Tonin, and Celia MT Greenwood
Tailoring variable selection and ranking for optimal treatment decisionsHandbook of Statistical Methods for Precision Medicine, 2023
