Working Papers

• Graph estimation based on neighborhood selection for matrix-variate data. (2025) Shin, M. and Park, S-O.

• BiGER: Bayesian rank aggregation in genomics with extended ranking schemes. (2025) Wang, K, Wang, X. et al.

• Bayesian variable selection for synthetic control method. (2025) with Lee, Seul, Wang, X., and Kim, J. 

• Ideal point estimation under protest voting: A robust Bayesian IRT model with an EM algorithm. (2025) with Seo, K. Lee, S. and Park, J-H. under revision.

• Conformalized Shewart chart. (2025) with Kim, J-J. et al. 

• Stong consistency of sparse K-means clustering. (2025) with Kim, J-J. under revision. 

• Empirical Bayes method for large scale multiple testing with heteroscadastic errors. (2025) with Seo, K. et al. 

• Outlier detection for hisogram-valued data using Wassersetin distance based one class SVM. (2025) with Lee, Seul et al. revised. 

• Shapley-based fault variable identification in MSPC. (2024) with Lee, S.I., Kim, J. and Lee, Seul. under revision. 

• Conformalized outlier detection for mass spectrometry data. (2024) with Chung, Y.H., Ahn, S.H., and Wang, X. revised. 

• Where is the Squad?: Robust ideal point estimation in the presence of protest votes. (2024) Seo, K., Kim, J.Y. and Park, J-H. revised. 

• Linear shrinkage convexification of penalized linear regression with missing data (2024) with Park, S-O et al. revised. 

• Multiple testing of one-sided hypothes with conservative nulls (2024) with Seo, K. et al. under revision. 

Published or Accepted Papers (Google Scholar)

• Simultaneous detection of change points and outliers. (2025) Korean J. Applied Stat. with Tak, Y.J., Yu, D., and Lee, K-E. 

• t-Distributed stochastic neighborhood embedding of matrix-variate data. (2024) Ahn, S.H., Wang, X., and Lee, S-I. Computational and Structural Biotechnology Journal, 27, 1614-1635. 

• Synthetic data generation for enhanced covariance matrix estimation (2024) with Kim, S. and Yu, D. To appear in Computational Statistics

• Two-Stage multiple test procedures controlling false discovery rate with auxiliary variable and their application to Set4 mutant data. (2024) Hwang,S., Park, D-H, Park, J. et al. To appear in Biometrical Journal

• Multiple testing of one-sided hypotheses under general dependence (2025) with Cho, S-H et al. To appear in Statistica Sinica.

• Cross covariance matrix estimation for directional integration of dual omics data. (2025) with Cho, S-H., Koh, H. and Choi, H.W. To appear in JSCS. 

• Asymptotic error of Bonferroni procedure under weak dependence via Chen-Stein method. (2025) with Seo, K. and Cho, S-H. To appear in JKSS.

• A comprehensive and empirical review of the synthpop for synthetic data generation. (2025) with Yu, D. and Kim, S-K. To appear in Korean JAS. 

• Change point detection in high dimensional covariance matrix using Pillai's statistics. (2025) with Cho, S-H., Shin, M. and Cho, Y.  To appear in AStA Advance in Statistical Analysis 

• l1-norm based Bayesian multivariate IRT model (2025) with Shin, S. and Park, J-H. To appear in Journal of the American Statistical Association

• Efficient ARL estimation for general control charts using censored run lengths (2025) with Lee, S-I.  To appear in Quality Engineering

• Double truncation method for controlling local false discovery rate in case of spiky null. (2025) with J.S. Jeong et al. To appear in Comp. Stat.

• New scheme of empirical likelihood method for ranked set sampling: Applications to two one sample problems. (2025) with Ahn, S, Wang, X., and Moon, C. To appear in International Statistical Review.

• Group-wise monitoring of multivariate data with missing values. (2024) with Seo, K. and Kim, Y.  Journal of Quality Technology, 56(4), 293-311. 

• Segmentation of binary sequence via minimizing least square error with total variation regularization (2024) with Kim, J-J. CSAM, 31(5), 487-496. 

• Variable selection in Bayesian multiple instance regression using shortgun stochastic search. (2024) with Park, S-O, Kim, J. and Wang, X. CSDA,  196, 107594. 

• Asymptotic of the number of false change points of the fused lasso signal approximator. (2024) with Son, W. and Yu, D. JKSS, 53(2), 381-397.

• Comparisons of parametric and non-parametric methods for analyzing RT-PCR experiment data. (2024) with Kim,B. et al. CHEMOLAB, 242, 104982. 

• Bayesian multiple instance classification based on hierarchical probit regression. (2024) with Xiong. D., Park, S-O, Wang, X. et al. AOAS, 81(1), 80-99. 

• Post Hotelling's T-square Procedure to Identify Fault Variables (2024) with Kim, J., Kim Y. and Lee, S. JSCS, 91(1), 1-28.

• Improved control schemes for statistical process control using combined X and delayed EWMA statistics. (2023) with Lee, S. JKSS, 52(4), 944-959. 

• A Bayesian goodness-of-fit test for meta-analysis of rare binary events. (2023) with X. Wang et al. Sci. Reports, 13(1), 177

• Tuning parameter selection for fused lasso signal approximator. (2023) with Son, W and Yu, D. BJPS, 37(3), 463-492.  

• Bayesian estimation and testing in random-effects meta-analysis of rare binary events allowing for flexible group variability. (2023) with Zhang, M., Wang, X. et al. To appear in Statistics in Medicine.

• Sparse Hanson-Wright inequality for bilinear form of sub-Gaussian variables. (2023) with S. Park and X. Wang. 12(1), e539, Stat.

• Testing independence of bivariate incomplete data using random walk on restricted permutation graph. (2023) with Cho, S-H and Yu, D. To appear JKSS.

• Robust tests for scatter separability beyond Gaussianity. (2023) with Kim, S.G., Park, S-O, and Lee, S. 179, 107633, CSDA.

• Path Algorithms for fused lasso signal approximator with application to COVID-19 spread in Korea. (2023) with Yu, D. and Son, W. To appear in ISR.

• Semi-parametric hidden Markov model for large scale multiple testing under dependency. (2023) with Kim, J. and Lee, J-S. to appear in Statistical Modelling.

• Monitoring multivariate data with high missing rate by pooling univariate statistics. (2022) with Kim, Y-R and Cho, S-H. JKSS.

• Estimation of high dimensional sparse cross-correlation matrix. (2022) with Cao, Y. Seo, K. and Ahn. S. Communication for Statistcal Applications and Methods.

• Empirical likelihood inference for area under the ROC curve using ranked set samples. (2022) with Moon, C. and Wang, X. Pharmaceutical Statistics.

• Efficient sample allocation by local adjustment for unbalanced ranked set sampling. (2022) with Ahn, S. and Wang, X. To appear in Springer book "Recent Advances on Sampling Methods and Educational Statistics - In Honor of S. Lynne Stokes"

• Prediction Survey of 20th Presidential Election for Chanel A.

• Metabolic and cardiovascular benefits of apple and apple-derived products: A systematic review and meta-analysis of randomized controlled trials. (2002) with Kim. S.J., Park, S. Kwon, S.W. et al. Frontiers in Nutrition.

• Linear profile monitoring with random covariate. (2022) with Lee, S. and Kim, D. Korean J. Applied Stat.

• An empirical evidence of inconsistency of the ell_1 trend filtering in change point detection. (2022) Son, W. and Yu, D. Korean J. Applied Stat.

• An overview of heavy-tail extensions of multivariate Gaussian distribution and their relations. (2022) with Park, S. JAS, 49(7), 1890-1899

• Lipidome profile predictive of disease evolution and activity in rheumatoid arthritis. (2022) with Kwon, S.W. et al. Experimental & Molecular Medicine.

• On continuity correction for RSS-structured cluster randomized designs with binary outcomes. (2020) with Wang, X. et al. to appear in Metron

• RCRdiff: a fully integrated method for differential expression analysis using raw NanoString nCounter data. (2021) with Wang, X. et al. Statistics in Medicine, 41(4), 665-680.

• Comments on "Online estimation of the case fatality rate using a run-off triangle data approach: An application to the Korean MERS outbreak in 2015" by Sungim Lee and Johan Lim published in Statistics in Medicine (vol. 38, 2644-2679, 2019). (2021) with Kim, B. et al. Statistics in Medicine, 41(9), 1728-1732.

• Frequentist's resolution to exchange paradox. (2021) with Cho. S-H. Comm. Stat. T-M, 50(20), 4879-4889.

• Adaptive local false discovery rate procedures for highly spiky data and their application to protein Set4 data. (2020) with Park, D.H. et al. Biometrical J. 63(8), 1729-1744

• Estimating high-dimensional covariance and precision matrices under general missing dependence (2020) with Park, S.O. and Wang, X. EJS, 15(2), 4868-4915

• Constrained principal component analysis with stochastically ordered scores for the discrimination of natural products admixtures. (2021) with Hyun, H.J., Kim, Y-R et al. Chemometrics and Intelligent Laboratory Systems, 215, 104376.

• Homogeneity test of the variance of price change by sales volume in scanner data. (2021) (in Korean) with Kim, Y.R. and Lee, S. to appear in JKDAS.

• Positive definite modification of covariance matrix by minimizing matrix l_{infty}-norm with applications to portfolio optimization. (2021) with Cho, S-H et al. AStA Advances in Statistical Analysis, 105, 601?627.

• How many people participated in candlelight protests? Counting the size of a dynamic crowd. (2021) with Cho, S-H. and Jang, W. to appear in Journal of Applied Statistics.

• Effects of beta-cryptoxanthin on improvement in osteoporosis risk: A systematic review and meta-analysis of observational studies. (2021) Kwon, S.W. et al. Foods, 10(2), 296.

• Estimation of the case fatality rate based on stratification for the COVID-19 outbreak. (2020) with Kim, B. et al. PLoS ONE 16(2): e0246921.

• Isolation and metabolic assessment of cancer cell mitochondria. (2020) with Kwon, S.W. et al. ACS Omega, 5(42), 27304-27313.

• Test for uniformity of exchangeable random variables on the circle. (2020) with Cho, S-H et al. JKSS, 50(2), 615-630.

• Self-consistent estimator for interval valued data. (2020) with Choi, H-J. et al. Statistics, 54(5), 1005-1029.

• Two sample tests for interval valued data. (2020), with Choi, H-J et al. JKSS, 50, 233-271.

• Bayesian multiple instance regression for modeling immunogenic neoantigens. (2020) with Park, S-O. et al, to appear in Statistical Methods in Medical Research.

• Research quality-based multivariate modeling for comparison of the pharmacological effects of black and red ginseng. (2020) with Kwon, S.W. et al. to appear Nutrients.

• An invariant test for equality of two large scale covariance matrices. (2020) with Koo, T-H and Cho, S-H.

• Covariate-dependent control limits for the detection of abnormal price changes in scanner data. (2020) with Kim, Y.R., Lee, S. et al. To appear in Applied Stochastic Models in Business and Indsustry.

• Clustering of longitudinal interval valued data via mixture distribution under covariance separability. (2020) with Park, S-O. et al. J. Applied Stat. 47(10), 1739-1756

• Using ranked set sampling with binary outcomes in cluster randomized designs. (2020) with Wang, X. et al. Canadian J. Stat., 48(3), 342-365.

• Self-semi-supervised clustering for large scale data with a massive null. (2020) with Ahn, S. et al. JKSS, 49(1), 161-176.

• Testing for stochastic order in interval-valued data. (2019). with Choi, H-J. et al. Korean J. Applied Stat. 32(6), 879-887.

• Note on mean vector testing for high-dimensional dependent observations. (2019) with Cho, S-H, Park,J. et al.

• Non-asymptotic rate for high-dimensional covariance estimation with non-independent missing observations. (2019) with Park, S-O. SPL,153. 113-123.

• Truncated rank correlation (TRC) for mass spectral data with application to test-retest reliability. (2019) with Yu, D. et al. SAGMB, 18(4).

• Interval prediction on the sum of binary random variables indexed by a graph. (2019) with Park, S-O, Son, W., and Hahn, K.S. CSAM, 26(3), 261-272

• Metabolomics approach based on multivariate techniques for blood transfusion reactions. (2019) with S.W.Kwon et al. Scientific Report, 9(1), Article 1740.

• On-line estimation of case fatality rate using run-off triangle data: an application to Korean MERS outbreak in 2015. (2019) with Lee, S. Statistics in Medicine, 38(14), 2664-2679.

• High-dimensional Markowitz portfolio optimization problem: Empirical comparison of covariance matrix estimators. (2019) with Y-G. Choi and S. Choi. JSCS, 89(7), 1278-1300.

• Permutation based testing on covariance separability. (2019) with Park, S-O. et al. Comp. Stat. 34(2), 865-883.

• A general algorithm for non-parametric maximum likelihood estimator of stochastically ordered survival functions from case 2 interval-censored data (2019) with Kim, Y. and Son, W. Comm. Stat. S-C. 48(3), 807-818.

• Fixed support positive-definite modification of covariance matrix estimators via linear shrinkage. (2019) with Choi, Y-G. et al. JMVA, 171, 234-249.

• Modified path algorithm of fused lasso signal approximator for consistent recovery of change points. (2019) with Son, W. JSPI, 200, 223-238.

• An integrative data mining and omics-based translational model for the identification and validation of oncogenic biomarkers of pancreatic cancer. (2019) with Long, N.P., Park S.O., Kwon, S.W. et al. Cancers 11 (2), 155.

• High-throughput omics and statistical learning integration for the discovery and validation of novel diagnostic signatures in colorectal cancer. (2019) with Long, N.P., Park S.O., Kwon, S.W. et al. International Journal of Molecular Sciences, 20(2), 296.

• Efficacy of integrating a novel 16-gene biomarker panel and intelligence classifiers for differential diagnosis of rheumatoid arthritis and osteoarthritis. (2019) with Long, N.P., Park S.O., Kwon, S.W. et al. Journal of Clinical Medicine, 20(2), 296.

• An iterative sparse algorithm for the estimation of the mixed effects model. (2018) with Son, W. et al. JKSS, 47(4), 482-490.

• In vitro tracking of intracellular metabolism-derived cancer volatiles via isotope labeling. (2018) with Lee, D. et al. ACS-Central Sceicne, 4(8), 1037-1044.

• Control of two-dimensional false discovery rate by combining two univariate multiple testing results with application to mass spectral data. (2018) with Kim, Y.R. et al. Chenometrics and Intelligent Laboratory System, 182, 149-157.

• Fused lasso regression for identifying differential correlations in brain connectome graphs. (2018) with Lee, SH et al. Statistical Analysis and Data Mining, 11,203-226.

• Bayesian variable selection with heredity constraints. (2018) with Kim, J.Y. et al. JKSS, 47(3), 314-329.

• Order restricted inference for testing the investors¡¯ attention effect on stock returns (2018) with Kim, Y-R et al. Korean JAS.

• A least sqaures method for detecting multiple change points in a univariate time series (2018) Chapter 9 of Proceedings of the Pacific Rim Statistical Conference for Production Engineering. Springer Series in Statistics.

• Cox model with intervally-censored covariate in cohort studies. (2018) with M.C. Paik et al. Biometrical J. 60(4), 797-814.

• Assessment of chemical equivalence in herbal materials using chromatographic fingerprints by combination of three similarity indices and three-dimensional kernel density estimation. (2018) with J.M.Lee et al. Analytica Chimica Acta, 1037, 220-229.

• Nonparametric Sharpe ratio function estimation in heteroscedastic regression models via convex optimization. (2018) with Kim, S-J and Won, J-H. AISTAT 2018, PMLR 84:1495-1504

• Independence and maximal volume of random convex hull. (2018) with Son. W. et al. CSAM, 25(1), 79-89.

• Accuracy of regularized D-rule for binary classification. (2018) with Son, W. and Wang, X. JKSS, 47(2), 150-160.

• Empirical null estimation using discrete mixture distributions and its application to protein domain data. (2017) with Park,J.Y. et al. Biometrics, 74(2), 458-471.

• A peeling algorithm for multiple testing on a random field. (2018) with Kim, J. et al. Comp. Stat. 33(1), 503-525.

• Phase 2 monitoring of changes in mean from high dimensional data. (2017) with Lee, S. ASMBI, 33, 626-639.

• Regression with partially observed ranks on a covariate: Distribution guide for ranks. (2017) with Kim,Y-E. et al. unpublished manuscript.

• Large-scale structured sparsity via parallel fused lasso on multiple GPUs. (2017) with Lee, T-H et al. JCGS, 24(4), 851-864.

• Enhanced construction of gene regulatory networks using hub gene information. (2017) with Yu, D, G. Xiao, et al. Appeared in BMC-Bioinformatics, 18:186.

• Unbalanced ranked set sampling in cluster randomized studies. (2017) with Wang, X, Ahn, S. JSPI, 187, 1-16.

• Testing the effects of treatment on survival time with an immediate intermediate event. (2017) with Lee, S. Comm. Stat. T and M. 46(8), 3718-3727.

• ROC estimation from clustered data with an application to liver cancer data. (2017) Kim J. et al. Cancer Informatics, 15 (Suppl 4), 19.

• On unbalanced group sizes in clustered randomized designs using balanced ranked set sampling. (2017) with Ahn,S. and Wang, X. SPL, 123, 210-217.

• Regularized LRT for large scale covariance matrices: One sample problem. (2017) with Choi,Y-G. and Ng, C.T. JSPI, 180, 108-123.

• Exit Poll for 19th Presidential Election in Korea (MBC) Link .

• Using ranked set sampling with cluster randomized designs for improved inference on treatment effects (2016). with Wang, X. and Stoke, L. Journal of the American Statistical Association, 111, 1576-1590.

• 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 proportion of intentional admixtures: a case study of Panax ginseng. (2016) with Kwon S.W. et al. Journal of Pharmaceutical and Biomedical Analysis, 124,120-128.

• Meta-analysis of tumor stem-like breast cancer cells using gene set and network analysis. (2016) with Lee, W.J. et al. PLoS ONE 11(2): e0148818.

• Exit Poll for Election for the 20th National Assembly in South Korea (MBC). Media Link

• Detection of multiple change points using penalized least square methods: a comparative study between l0 and l1 penalty. (2016) with Son,W, and Yu, D. Korean JAS, 29(6).

• Metabolic response induced by parasitic plant-fungus interactions hinder amino sugar and nucleotide sugar metabolism in the host. (2016) With Kwon, S.W. et al. Scientific Reports. 6. Article Num: 37434.

• Logistic regression with fused lasso regularization to determine regional differences in the corpus callosum with application to sexual diversity. (2016) with Lee, S.H. et al. Alzheimer's and Dementia: DADM.

• Sparse computation for mixed effects model. (2015) with Son, W. et al. Korean J. Applied Stat.

• Expeditious discremination of four species of the Panax genus using direct infusion-MS/MS combined with multivariate statistical analysis. (2015) with Kwon, S.W. J. Chromatography B, 1002, 329-336.

• Testing independence of bivariate interval-censored data using modified Kendall's tau statistic. (2015) with Kim, Y. and Park, D-H. To appear in Biometrical J., 57(6), 1131-1145.

• A new integral representation of the coverage probability of a random convex hull. (2015) with Son, W. and Ng, C.T. Communications for Statistical Applications and Methodology, 22(1), 69-80.

• Statistical completion of partially identified graph. (2015). with Yu, D. et al. Biostatistics, 16(4), 672-685.

• Two sample test for high-dimensional partially paired data (2015). with Lee, S-H et al. Journal of Applied Statistics, 42(9), 1946-1961.

• Finding standard dental arch forms from a nationwide standard occlusion study using Gaussian functional mixture model (2015). with Lee, S. et al. JKSS, 44, 477-489.

• Classification of spectral data using fused lasso regression (2015). Yu, D. et al. Chenometrics and Intelligent Laboratory System, 142, 70-77.

• Detection of pancreatic cancer biomarkers using mass spectromery. (2015) with Jang, W. et al. Cancer Informatics, 2014:13(S7).

• Asymptotically efficient parameter estimation in hidden Markov spatio-temporal random fields. (2015) with T.Lai. Statistica Sinica, 25, 403-425.

• Regression shrinkage and equality selection for highly correlated predictors with HORSES. (2015) Jang, W. et al. To appear in JKSS.

• Use of geometric programming for estimating constrained contingency tables. (2015) with Wang, X. et al. To appear in Comp. Stat.

• High-dimensional fused lasso regression using majorization-minimization and parallel processing (2015). with Yu. D. et al. To appear in JCGS.

• Functional interpretation of metabolomics data as a new method for predicting long-term side effects: treatment of atopic dermatitis in infants. (2014) with Lee,S-J, Ahn,S., Kwon, S.W. et al. Scientific Reports, Article 7408.

• Generalized isotonized mean estimators for judgment post-stratification with multiple rankers. (2014) with Ahn, S., Wang, X., and Chen, M. JABES, 19(4), 405-418

• The analysis of roll call data from the 18th Korean National Assembly: A Bayesian approach. (2014) with Lee, K-E et al. Appeared in Korean J. Applied Stat.

• Senescing human bone marrow derived clonal mesenchymal stem cells have altered lysophospholipid composition and functionality. (2014) with Kwon, S.W, Lee, S-J. et al. J. Proteome Research, 13(3), 1438-1449.

• Bootstrap method to evaluate tightness of clusters with application to the Korean standard occlusion study. (2014) with Lee, S. et al. JSCS, 84, 360-372.

• Functional clustering for clubfoot data: a case study.(2014) with Lee, K-E. et al. JKDISS, 25(5), 1069-1077.

• Study of new distance for image retrival. (2014) with Lee, S. and Cho, M. JKIIE, 40(4), 382-387.

• Monotone false discovery rate. (2014) with Won, J-H et al. SPL, 87, 86-93.

• Evaluation of four different analytical tools to determine the regional origin of gastrodia elata and rehmannia glutinosa on the basis of metabolomics study. (2014) with Kwon, S.W. et al. Molecules, 19(5), 6294-6308.

• Investigating the different mechanisms of genotoxic and non-genotoxic carcinogens by a gene set analysis (2014). with Kwon S.W, Kim, S-C. et al. PLoS One, 9(1), e86700.

• Student's t-approximation to pivotal statistic from RSS. (2014) with Ahn,S. et al. To appear in JKSS

• A fast algorithm to sample the number of vertices and the area of the random convex hull on the unit square. (2014) with Ng. et al. Appeared in Comp. Stat.

• Kernel density estimator from ranked set samples. (2014) with Wang et al. Appeared in Comm. Stat. T&M.

• Application of fused lasso logistic regression to the study of corpus callosum thickness in early Alzheimer's disease (2014).
  with Lee, S-H, Yu, D. et al. Journal of Neuroscience Methods, 221, 78-84.

• Discussion of "Large covariance estimation by thresholding principal orthogonal complements by Fan, J. et al." (2013). with Won, J-H and Jang, W., JRSS-B, 75.

• Discrimination between genetically identical peony roots from different regions of origin based on 1H-nuclear magnetic resonance spectroscopy-based metabolomics: determination of the geographical origins and estimation of the mixing proportions of blended samples (2013). with Um. J., Choi, Y.G., Kwon, S.W. et al. Analytical and Bioanalytical Chemistry, 405, 7523-7534.

• Distinguishing between genotoxic and non-genotoxic hepatocarcinogens by gene expression profiling and bioinformatic pathway analysis (2013). with Lee, S-J, Kim, S-C, Kwon, S-W. et al. Scientific Reports, 3, 2783.

• Stouffer's test in a large scale simultaneous hypothesis testing (2013). with Kim, S.C., Kwon, S.W. et al. PLoS One 8(5): e63290, 2013

• New statistical index for detecting cheaters (2013). with Lee, K-E and Han, E. Appeared in Korean JAS.

• Investigation of metabolite alteration in dimethylnitrosamine-induced liver fibrosis by GC-MS (2013). with Kwon S.W. et al. Bioanalysis, 5(1): 41-51.

• Regularizing sample estimates of covariance matrices by condition number. (2013) with Won, J.H., Kim, S.J., and Rajaratnam, B. JRSS-B, 75, 428-450.

• Politics behavior data analysis using the adaptive Neyman test. (2013) with Lee, K-E. et al. Appeared in JKDISS.

• Determination of bioactive compounds in fermented soybean products using GC/MS and further investigation of correlation of their bioactivities (2012). with Kown S.W. et al. J Chromatogr B. 880(1):42-49.

• Parameter estimation in the spatial auto-logistic model with varying independent subblocks (2012) with Lee, K.S., Liu, H., and Sherman, M. CSDA, 56(12), 4421-4432.

• Statistical properties of news coverage data (2012). with Hahn, K. et al. Korean Comm. Stat., 19(6),771-780.

• Input permutation method to detect active voxels in fMRI Study (2012). with Lee, S-H et al. MRI, 30(10), 1495-1504.

• Order test for high-dimensional two sample means. (2012) with Lee, S-H. et al. JSPI, 142, 2719-2725

• Estimation of convex ROC curve: ROC convex hull, conditional, and unconditional maximum likelihood estimator. (2012) with Won, J-H., Machine Learning, 88(3), 433-444.

• Isotonized estimation of cumulative distribution functions from JPS Data with empty strata. (2012) with Wang, X. and Wang, K. Biometrics, 68(1), 194-202.

• Regression model for the AUC of clustered ordinal test results and working independent optimal weights. (2012) with Lee, W.J. et al. Comm. Stat. S&C, 41(8), 1397-1410.

• Distribution-free tests of mean vectors and covariance matrices for multivariate paired data. (2012) with Li, E., Lee, S-J., and Kim, K.A. To appear in Metrika.

• On the effect of imperfect ranking on the amount of fisher information in ranked set samples. (2012) with Park, S. Comm. Stat. T&M.

• Permutation test for incomplete paired data with application to CDNA microarray data. (2012) with Yu, D. et al. CSDA, 56(3), 510?521.

• Detection of differentially expressed gene sets using a multivariate test statistic in a partially paired microarray data set. (2012) with Kim, B.S. and Kim, K-A et al. SAGMB, 11(3), 5

• Method to classify dental arch forms. (2011). with Lee, S-J. et al. Am J Orthod Dentofacial Orthop., 140(1):87-96.

• Multiple testing for gene sets from a microarray experiment. (2011) with Jung, S-H. et al. BMC-Bioinformatics, 12:209

• Hyper-parameter estimation in hidden Markov random field. (2011) with Yu, D. and Pyun. K. Korean. J. App. Stat. 24(1), 177-183.

• Effects of storage period and heat treatment on phenolic compound composition in dried Citrus peels (Chenpi)
  and discrimination of Chenpi with different storage periods through targeted metabolomic study using HPLC-DAD analysis. (2011) with Kwon S.W. et al. JPBA, 54(4), 638-645.

• A study on classifiction model of Bothron origin. (2011). JKS of Health Information and Statistics. 36(2), 183-192. Lee, S., Kwon. S.W. et al.

• Sparse computation in updating Markov centrality (2011). with Park, J. and Lee, H.B. Journal of Statistical Theory and Applications, 10(1), 99-110.

• Modified maximum likelihood estimator of concave ROC curve (2011). with Lee, K-E. Bulletin of KMS, 48(3), 513-537.

• Estimating variances of strata in ranked set sampling. (2011) with Chen, M. JSPI, 141(8), 2513-1518.

• Testing Stochastic orders in tails of contingency tables. (2011) with Ng, C-T. and Hahn, K. JAS, 38(6), 1133-1149.

• The hierarchical-likelihood approach to autoregressive stochastic volatility models. (2011) with Lee, W. et al. CSDA, 55(1), 248-260.

• A note on independence assumption on biological sequence analysis. with Lee, K-E. (2011) JKSS, 40, 45-53.

• Variation of the inter-maxillary tooth-size relationship in normal occlusion. (2011) with Lee, S-J. et al. The European Journal of Orthodontics, 33, 9-14.

• Ideal point estimation of Korean national assembly. DongA Daily News, Jan. 19. 2010. A1 , A4 and A5 .

• Discussion of Maximum likelihood estimation of a multidimensional log-concave density by Cule, Samworth and Stewart. with Jang, W., JRSS-B, 72, 596.

• Determination of coffee origins by integrated metabolomic approach of combining multiple analytical data. (2010) with Kwon, S.W. et al. Food Chemistry, 121(4), 1260-1268.

• An alternative model for type A dependence in a gene set of correlated genes. (2010) with Kim, J. and Kim, B.S.. SAGMB, 9(1), Article 12.

• Likelihood ratio tests of correlated multivariate samples. (2010) with Li, E. and Lee, S-J. Journal of Multivariate Analysis, 101(3), 541-553.

• Multivariate analysis of pyrolysis mass spectra of Scutellaria baicalensis to identify its origin. (2010) with Kwon et al. Kor J Pharmacogn, 41(4), 303-307.

• Analyzing survival data as binary outcomes with logistic regression. (2010) with Lee, K-E. et al. Korean Comm. Stat., 17(1), 117-126.

• Covariance adjustemnt in Gaussian mixture compressed domain for noisy image segmentation. (2009) with Pyun K.S. and Gray, R.M. IEEE-TIP., 18, 1385-1394.

• Estimation of stochastically ordered survival functions by geometric programming. (2009) with Kim, SJ and Wang, X. JCGS, 18(4), 978-994.
  Supplementary Materials

• Predicting mating flights through meteological cues using multi-scale logistic regression. (2009) with Kim, M.S. and Wang, S. Environmetrics, 20, 275-282.

• Sequential estimation of monotone convex function. (2009) with Sanghan Lee et al. JSCS, 79, 989-1000.

• Cost effective HMM based image segmentation. (2009) with Pyun, K.S. IEEE-SPL. 16, 172-175.

• Maximum likelihood estimation of ordered multinomial parameters by geometric programing. (2009) with Wang, X. and Choi, WS. CSDA, 53, 889-893.

• A numerical study of PQL estimation biases in generalized linear mixed models under heterogeneity of random effects. (2009) with Jang, W. Comm. Stat. S&C, 38, 692-702.

• A report on the inter-gene correlations in cDNA microarray data sets. (2009). with kim, B.S. et al. Korean J. App. Stat. 22(3),517-623.

• A Covariance adjustment method in compressed domain for noisy image segmentation. with Pyun K. and Gray, R.M. ICIP-2008.

• Sequential shape modification for monotone convex function: L_2 monotonization and uniform convexification. with Lee, S.I., Korean Comm. Stat. , 15, 675-685.

• Application of JPS to EPR system. (2008). with Choi, W.S. et al. Korean Comm. Stat. , 15, 105-116.

• Estimation of liquidity cost in financial market (2008). with Lee, K. and Song, H-S. Korean Comm. Stat. , 15, 117-124.

• Order preserving dimension reduction to test the dominance between two high dimensional mean curves with application to testing tidal volume curves. (2008) with Lee SH, Vannucci, M. et al. Biometrics , 64, 931-939.

• A nonparametric mean estimator for judgment post-stratified data (2008) with X. Wang and L. Stokes. Biometrics , 64, 355-363.

• Testing constant mean in mixed effects model (2008) with Wang, X. et al. Stat. Med. , 27, 3833-3846.

• Cluster analysis of human tooth size in subjects with normal occulsion. (2007) with Lee, S-J. et al. AJODO , 132, 796-800.

• Estimation of entropy functional from dependent samples. (2007) Com. Stat. T-M , 36, 1577-1590.

• Multi-class image segmentation using hidden Markov Gauss mixture models. (2007) with Pyun, KS. et al. IEEE-TIP , 16, 1902-1911.

• Bayesian analysis of variance components model for heterogeneous frailty. (2007) with Chang, IS. JKSS , 36, 129-148.

• Almost sure limits of sample allignments in propotional hazards model (2007) with Kim, S.J. JKSS , 35, 251-260.

• An adjustment for edge effects using a random external field in the spatial auto logistic models. (2007) with Wang, X. and Sherman, M. CSDA , 51, 3679-3688.

• Testing independent sparse heterogeneous mixtures. (2006) SPL, 74, 205-211.

• Permutation procedures with censored Data. (2006) CSDA , 50, 332-345.

• Information loss from censoring in ranked based procedures. (2006) with Lee,S.I. and Choi, HW. SPL , 1705-1713.

• Forming post-strata via Bayesian treed capture-recapture model. (2006) with Wang, X. and Stokes, L. Biometrika , 93, 861-876.

• Optimal Trade-off Analysis with Linear Classifiers. (2006) with Kim, SJ. et al. ICML-2006 , 473-480.

• Comparison of information loss from Type I and Type II censoring. (2006) with Lee SI. and Song HS. Korean Comm. Stat. , 13, 441-448.

• Estimation of liquidity cost in financial market (2006) with Lee, KS and Song, HS. Korean Comm. Stat. , 15, 117-124.

• Concomitant of Multivariate order statistics with application to judgment post-stratification. (2006) with Wang, X. and Stokes, L. and Chen, M. JASA , 101, 1693-1704.

• Texture classification using Gauss mixture vecture quatizer with an MDI distortion: A comparative study with Gabor wavelet classifier. (2005) with Pyun et al. Asilomar Conf. on Signal Processing-2005 1222-1225.

• Joint image classification and segmentation using non-causal hidden Markov Gauss mixture model. (2002) with Pyun et al. ICIP-2002 , 3, 785-788.

• Texture classification based on multiple gauss mixture vector quantizers. (2002) with Pyun et al. ICME-2002 , 2, 510-504.

• Clinical and polysomnographic features in DQB1*0602 positive and negative narcolepsy patients. (2000) with Hong et al. Sleep Medicine, 1, 33-39.