A 1H NMR-based metabolomics approach to evaluate the geographical authenticity of herbal medicine and its application in building a model effectively assessing the mixing … HT Nguyen, DK Lee, YG Choi, JE Min, SJ Yoon, YH Yu, J Lim, J Lee, ...
Journal of pharmaceutical and biomedical analysis 124, 120-128, 2016
46 2016 Colchicine use in patients with COVID-19: A systematic review and meta-analysis L Chiu, CH Lo, M Shen, N Chiu, R Aggarwal, J Lee, YG Choi, H Lam, ...
PLoS One 16 (12), e0261358, 2021
41 2021 The protective association between statins use and adverse outcomes among COVID-19 patients: a systematic review and meta-analysis R Chow, J Im, N Chiu, L Chiu, R Aggarwal, J Lee, YG Choi, EH Prsic, ...
PLoS One 16 (6), e0253576, 2021
37 2021 The association between statin and COVID-19 adverse outcomes: national COVID-19 cohort in South Korea R Chow, J Lee, H Noh, J Lee, HJ Shin, YG Choi
medRxiv, 2021.07. 30.21261329, 2021
11 2021 High-dimensional Markowitz portfolio optimization problem: empirical comparison of covariance matrix estimators YG Choi, J Lim, S Choi
Journal of Statistical Computation and Simulation 89 (7), 1278-1300, 2019
11 2019 Fixed support positive-definite modification of covariance matrix estimators via linear shrinkage YG Choi, J Lim, A Roy, J Park
Journal of Multivariate Analysis 171, 234-249, 2019
9 2019 Discrimination between genetically identical peony roots from different regions of origin based on 1 H-nuclear magnetic resonance spectroscopy-based … JA Um, YG Choi, DK Lee, YS Lee, CJ Lim, YA Youn, HD Lee, HJ Cho, ...
Analytical and bioanalytical chemistry 405, 7523-7534, 2013
8 2013 Generalized estimating equations with stabilized working correlation structure Y Kwon, YG Choi, T Park, A Ziegler, MC Paik
Computational statistics & data analysis 106, 1-11, 2017
7 2017 Semi-parametric contextual bandits with graph-laplacian regularization YG Choi, GS Kim, S Paik, MC Paik
arXiv preprint arXiv:2205.08295, 2022
6 2022 Estimation and inference on high-dimensional individualized treatment rule in observational data using split-and-pooled de-correlated score M Liang, YG Choi, Y Ning, MA Smith, YQ Zhao
Journal of Machine Learning Research 23 (262), 1-65, 2022
3 2022 The association between immunosuppressants use and COVID-19 adverse outcome: National COVID-19 cohort in South Korea HJ Shin, R Chow, H Noh, J Lee, J Lee, YG Choi
medRxiv, 2021.08. 17.21262183, 2021
3 2021 An efficient parallel block coordinate descent algorithm for large-scale precision matrix estimation using graphics processing units YG Choi, S Lee, D Yu
Computational Statistics 37 (1), 419-443, 2022
2 2022 Simultaneous spatial smoothing and outlier detection using penalized regression, with application to childhood obesity surveillance from electronic health records YG Choi, LP Hanrahan, D Norton, YQ Zhao
Biometrics 78 (1), 324-336, 2022
2 2022 Positive-definite modification of a covariance matrix by minimizing the matrix norm with applications to portfolio optimization S Cho, S Katayama, J Lim, YG Choi
AStA Advances in Statistical Analysis 105 (4), 601-627, 2021
2 2021 Test for uniformity of exchangeable random Variables on the circle S Cho, YG Choi, J Lim, WJ Lee, HJ Bai, S Kwon
Journal of the Korean Statistical Society 50, 615-630, 2021
2 2021 Positive-definite correction of covariance matrix estimators via linear shrinkage YG Choi
서울대학교 대학원, 2015
2 2015 The association between the risk perceptions of COVID-19, trust in the government, political ideologies, and socio-demographic factors: A year-long cross-sectional study in … YH Lee, HH Heo, H Noh, DH Jang, YG Choi, WM Jang, JY Lee
Plos one 18 (6), e0280779, 2023
1 2023 A comprehensive landscape of de novo malignancy after double lung transplantation J Lee, AWJ Yang, LIY Chung, J Yu, Y Lee, HS Kim, HJ Shin, YG Choi, ...
Transplant International 36, 11552, 2023
1 2023 A GENERAL CLASS FOR QUASI-INDEPENDENCE TESTS FOR LEFT-TRUNCATED RIGHT-CENSORED DATA YG Choi, WY Tsai, MC Paik
Statistica Sinica 29 (2), 789-808, 2019
1 2019 Regression with Partially Observed Ranks on a Covariate: Distribution-Guided Scores for Ranks Y Kim, J Lim, YG Choi, S Choi, DH Park
arXiv preprint arXiv:1701.01097, 2017
1 2017