Mixture models, Nonparametric density estimation, Minimum distance estimation
Education
(Ph.D.) Pennsylvania State University
(B.S.) Seoul National University
Experience
Assistant professor at Texas Tech University
Professor at Sungkyunkwan University
Journal Articles
(2024)
Semiparametric mixture of linear regressions with nonparametric Gaussian scale mixture errors.
ADVANCES IN DATA ANALYSIS AND CLASSIFICATION.
18,
1
(2023)
Merging Components in Linear Gaussian Cluster-Weighted Models.
JOURNAL OF CLASSIFICATION.
40,
1
(2023)
Accelerated failure time modeling via nonparametric mixtures.
BIOMETRICS.
79,
1
(2022)
Penalized maximum likelihood estimation with symmetric log-concave errors and LASSO penalty.
Communications for Statistical Applications and Methods.
29,
6
(2022)
Density deconvolution under a k-monotonicity constraint.
STATISTICS AND COMPUTING.
32,
5
(2021)
Omnibus goodness of fit test based on quadratic distance.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION.
91,
18
(2021)
Semiparametric estimation for nonparametric frailty models using nonparametric maximum likelihood approach.
STATISTICAL METHODS IN MEDICAL RESEARCH.
30,
11
(2021)
Modal linear regression using log-concave distributions.
JOURNAL OF THE KOREAN STATISTICAL SOCIETY.
50,
2
(2020)
Semiparametric estimation for linear regression with symmetric errors.
COMPUTATIONAL STATISTICS & DATA ANALYSIS.
152,
1
(2018)
Linear regression under log-concave and Gaussian scale mixture errors: comparative study.
Communications for Statistical Applications and Methods.
25,
6
(2017)
The doubly smoothed maximum likelihood estimation for location-shifted semiparametric mixtures.
COMPUTATIONAL STATISTICS & DATA ANALYSIS.
108,
1
(2017)
Adaptive robust regression with continuous Gaussian scale mixture errors.
JOURNAL OF THE KOREAN STATISTICAL SOCIETY.
46,
1
(2016)
Semiparametric maximum likelihood estimation of stochastic frontier model with errors-in-variables.
JOURNAL OF THE KOREAN STATISTICAL SOCIETY.
45,
2
(2015)
Family strategy of economic inequality among brothers in Korean rural society, 1690-1795.
HISTORY OF THE FAMILY.
20,
2
(2015)
A new algorithm for maximum likelihood estimation in normal scale-mixture generalized autoregressive conditional heteroskedastic models.
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION.
85,
1
(2014)
Assessment of the number of components in Gaussian mixture models in the presence of multiple local maximizers.
JOURNAL OF MULTIVARIATE ANALYSIS.
125,
3
(2013)
Nearly universal consistency of maximum likelihood in discrete models.
STATISTICS & PROBABILITY LETTERS.
83,
7
(2013)
A universally consistent modification of maximum likelihood.
STATISTICA SINICA.
23,
2
(2012)
Root selection in normal mixture models.
COMPUTATIONAL STATISTICS & DATA ANALYSIS.
56,
8
Honors / Awards
KOFST 23rd Research Award, Korean Federation of Science and Technology Societies, 2013
Research Promotion Award, Korean Statistical Society, 2017
Conference Paper
(2022)
Accelerated failure time modelling via nonparametric mixtures.
5th International Conference on Econometrics and Statistics.
JAPAN
(2021)
A semiparametric AFT random-effect model.
4th International Conference on Econometrics and Statistics.
HONG KONG
(2019)
Accelerated failure time model based on nonparametric Gaussian scale mixtures.
12th International Conference of the Computational and Methodological Statistics.
UNITED KINGDOM
(2019)
Efficient and robust estimation of regression parameters.
2019년도 한국 통계학회 춘계 학술논문 발표회.
KOREA, REPUBLIC OF
(2018)
Robust regression with Gaussian scale mixture errors.
Advances in finite mixture and ohter non-regular models.
CHINA
(2018)
Doubly smoothed MLE in location-shifted semiparametric mixtures.
The 27th South Taiwan Statistics Conference.
TAIWAN
(2018)
Doubly smoothed maximum likelihood estimation iwth application to semiparametric structural measurement error models.
2nd International Conference on Econometrics and Statistics.
HONG KONG
(2017)
Doubly Smoothed MLE in Semiparametric Mixtures.
2017 Joint Statistical Meetings.
UNITED STATES
(2017)
Accelerated Failure Time Model with Log-Concave Error Distribution.
2017 Joint Statistical Meetings.
UNITED STATES
(2016)
Stochastic frontier models with errors-in-variables.
2016년도 한국통계학회 춘계 학술논문발표회 프로시딩.
KOREA, REPUBLIC OF
(2015)
Semiparametric maximum likelihood estimation of stochastic frontier model with errors-in-variables.
2015 추계 한국통계학회.
KOREA, REPUBLIC OF
(2014)
Finite mixtures with nonparametric symmetric component densities.
2014 추계 한국통계학.
KOREA, REPUBLIC OF
(2014)
On singular and spurious solutions in finite mixture models.
21st Internal Conference on Computational Statistics.
SWITZERLAND
(2014)
A new ECM algorithm for finite mixtures.
2014 춘계 한국통계학회.
KOREA, REPUBLIC OF
(2013)
Unstricted MLE for semiparametric models with missing covariates.
2013 추계한국통계학회.
KOREA, REPUBLIC OF
(2012)
Adaptive robust regression with infinite Gaussian scale mixture errors.
추계한국통계학회.
KOREA, REPUBLIC OF
(2012)
Estimated Quasi-maximum likelihood estimator for GARCH models based on non-parametric MLE.
The 2nd institute of mathematical statistics Asia pacific rim meeting.
JAPAN
(2012)
Root selection in normal mixture models.
춘계 한국 통계학회.
KOREA, REPUBLIC OF
(2011)
A latent class selection model for missing data.
2011년도 추계 학술논문발표회 프로시딩.
KOREA, REPUBLIC OF