International Conferences and Seminars
- "Replacement Measure" - ASA ENAR, Lexington, Kentuky (Apr. 1987)
- "Overdispersion in Mixture Models" - ASA Summer, Boston, Massachusetts (Aug. 1992)
- "Diagnostics in Kernel Density Estimation" - Okayama, Japan (Oct. 1994)
- "Cook's Distance in Density Estimation" - ASA Winter, Raleigh, N. Carolina (Feb. 1995)
- "Cook's Distance in Spline Smoothing" - Statistics Department Weekly Seminar, Texas A&M University (Feb. 1995)
- "Nonparametric Density Estimation via the Bezier Curve" - ASA Summer, Chicago, Illinois (Aug. 1996)
- "Nonparametric Variance Function Estimation" - IEEE Meeting, Santa Fe, NM (Feb. 1999)
- "Bezier Curve Smoothing of Kaplan-Meier Estimator" - Statistics Department Weekly Seminar, University of Wisconsin (Mar. 2002)
- "Prediction of survival times using the gene expression profiles" - Proceedings of the ISM/KIER Joint Conference on Nonparametric and Semiparametric Statistics, ISM, Tokyo(March 2005)
- "Classification of suepervised data with ordered category" - International Statistical Institute, Sydney(April 2005)
- "Prediction of survival times using the gene expression data" - International Statistical Institute, Sydney(April 2005)
- "A background correction method for DNA microarray spots by kernel density estimation" - The 5th IASC Asian Conference on Statistical Computing, Hong Kong (December 2005)
- "Locus ordering for genetic maps" - German Open Conference on Probability and Statistics, Frankfurt (March 2006)
- "Background correction for microarray data" - German Open Conference on Probability and Statistics, Frankfurt (March 2006)
- "Influence diagnostics in the varying coefficent model with longitudinal data" - 31st International Conference on Stochastic Processes and their Applications, Paris (July, 2006)
- "Influence diagnostics in the varying coefficient model with longitudinal data" - Multivariate Methods in Environmetrics, Chicago, IL. (October 2006)
- "A classification method using the Fiedler vector, with application to microarray data" - ENAR 07, Atlanta, GA (March 2007)
- "Estimation of survival time using cDNA microarray data" - ENAR 07, Atlanta, GA (March 2007)
- "Bezier curve smoothing of the Kaplan-Meier estimator" - ENAR 08, Crystal City, VA (March 2008)
- "Nonparametric hazard function estimation" - ENAR 08, Crystal City, VA (March 2008)
- "Mean integrated squared reduction in kernel density estimation" - 1st APRM (Asia Pacific Rim Meeting), Seoul, Korea (2009)
- "Influence diagnostics in the lasso regression" - ICORS10 (International Conference on Robust Statistics 2010), Praha, Czech, (2010)
- "Influential observations on the Mallows' Cp" - ICORS10 (International Conference on Robust Statistics 2010), Praha, Czech, (2010)
- "Influential observations on the variable selection criteria" - The 2nd International Conference for Industrial Statistics, 중앙대학교 (2011)
- "Mean squared error reduction in kernel density estimation" - 2011 KSS International Conference on Statistics and Probability, 웨스틴 조선호텔, 부산 (2011)
- "Bias and variance reduction in kernel density estimation" - ISI Satellite Meeting (Dynamic Statistical Models), Copenhagen, Denmark (2011)
- "Clustering, Classification and ordering via a graph theory" - 7th Conference of the Asian Regional Section of the IASC, Taipei, Taiwan (2011)
- "Influence diagnostics in variable selection criteria" - Conference on Applied Mathematics, Singapore, (2012)
- "A logistic regression method in estimating median survival time in interval-censored data" - APRM 2012, Tsukuba, Japan (2012)
- "Influence diagnostics in LASSO regression" - 2012 Annual IMS meeting in probability and statistics, Istanbul, Turkey (2012)
- "Some useful results in Gaussian graphical models" - DAGStat 2013 (Deutsche Arbeitsgemeinschaft Statistik), Freiburg, Germany (2013)
- "Clustering and detection of hub in a complex networks via the Laplacian matrix" - The 2013 International Conference of Computational Statistics and Data Engineering, London, England (2013)
- "Some results in a Gaussian graphical models" - The International Conference on Robust Statistics (ICORS 2013), St. Petersburg, Russia (2013)
- "Clustering and detection of hub in a complex networks via the Laplacian matrix" - Joint Meeting of the IASC Satellite Conference, Seoul, Korea (2013)
- "Bezier curve estimation of survival function in interval censored data" - 2nd ISNPS (International Society for NonParametric Statistics), Cadiz, Spain (2014)
- "Some recent issues in complex neworks (Methodological Advances in Statistics Related to Big Data)" - Castro Urdiales (Cantabria), SPAIN (2015)
- "GPSD(German Probability and Statistics Days)" - Bochum, Germany (2016)
- "Harnessing the potential of citizen-generated data for well-being" - The 6th OECD World Forum, Inchon, KOREA (2018)
Domestic Conferences and Seminars
- August 1986 Weekly Seminar (Seoul National University)
- May 1990 Weekly Seminar (Seoul National University)
- May 1990 Pusan-Kyungnam Statistical Association (Dong Eui University)
- May 1990 Korean Statistical Association (Chunbuk University)
- November 1991 Seminar for Engineering Statistics (Seoul National University)
- December 1991 Winter Workshop (Seoul National University)
- October 1992 Korea Mathematical Society (Pohang Institute of Technology)
- October 1992 Seminar for Engineering Statistics (Seoul National University)
- October 1993 Weekly Seminar (Yonsei University)
- October 1993 Invited Talk (Inje University Hospital)
- February 1994 Weekly Seminar (Kyungsang University)
- April 1994 Weekly Seminar (Korea University)
- July 1994 Pusan-Kyungbuk Semiar (Kyungbuk National University)
- September 1994 Invited Talk (Pusan National University Hospital)
- May 1995 Weekly Seminar (Kemyung University)
- August 1995 Invited Talk (Donga Hospital)
- December 1995 Wavelet Workshop (Pusan National University)
- July 1996 Pusan-Kyungbuk Seminar (Kyungju)
- October 1996 Weekly Seminar (Hallym University)
- May 1997 Korean Statistical Association (Wonkwang University)
- June 1997 Weekly Seminar (Joongang University)
- July 1997 Dermatology Association (Donga University)
- September 1997 Weekly Seminar (Bukyung University)
- May 1998 Invited Talk (Soongsil University)
- February 2001 Invited Talk (Seoul National University)
- August 2001 Symposium (Donga University)
- March 2003 Invited Talk (Seoul National University)
- May 2003 Invited Talk (NRL in Pusan National University)
- January 2004 Invited Talk (Seoul National University)
- May 2004 Invited Talk (NRL in Pusan National University)
- November 2004 Invited Talk (Inha University)
- December 2004 Invited Talk (Kemyung University)
- February 2005 Invited Talk (Workshop in Genetics _ Muju)
- December 2005 Invited Talk (Workshop in Bioinformatics - Cheonnam University) A simple segmentation method for DNA microarray spots by kernel density estimation
- February 2006 Invited Talk (Seminar on Computational and Graphical Statistics - Bukyung University) Nonparametric hazard function estimation using the Kaplan-Meier estimator
- May 2006 Invited Talk (International Symposium of Biostatistics & Bioinformatics - Korea Open University) Survival Analysis Using Microarray Data
- May 2006 Korean Statistical Association (Kyungbuk National University)
- June 2006 Invited Talk (Yonsei University)
- October 2006 Invited Talk (Seoul National University)
- May 2007 Korean Statistical Association (Pusan National University)
- May 2007 Invited Talk (Korean Statistical Society - Pusan National University) Clustering, classification and ordering via a graph theory
- May 2008 Korean Statistical Association (Chonnam National University)
- May 2008 Invited Talk (Korean Statistical Society - Chonnam National University) Case influence diagnostics in the ridge regression model
- June 2008 Invited Talk (Soongshil University)
- June 2011 Invited Talk (Pusan National University) The use of R in statistics.
- May 2011 Invited Talk (Korean Statistical Society - KAIST) Bezier curve estimation of survival function in censored data
- August 2014 Invited Talk (Korean Statistical Society - Chung Ang University) Recent issues in the complex networks
- May 2016 Invited Talk (Korean Statistical Society - Kyungpook National University) Case influence diagnostics in SVM
- May 2016 Invited Talk (Korean Statistical Society - Statistics Training Institute) Diagnostics in the goodness-of-fit measures
- September 2016 Invited Talk (Korean Statistical Society - Statistics Training Institute) Case influence in LASSO
- November 2018 National Assembly Forum (서형수 의원 주관, 국회의사당) 통계청의 중립과 독립
- November 2018 National Assembly Forum (정성호 의원 주관, 국회의사당) 통계청의 전문성과 중립성