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    2016

  • Invited Speaker, The Nonparametric Statistics Workshop: Integration of Theory, Methods and Applications, Ann Arbor, MI, OCT 6-7, 2016. Efficient estimation of partially linear models for spatial data over complex domains.
  • Invited Speaker, 2016 IISA International Conference on Statistics, Corvallis, Oregon, AUG 18-21, 2016. Efficient estimation of partially linear models for spatial data over complex domains.
  • Topic Contributed Speaker, 2016 Joint Statistical Meetings, Chicago, Illinois, JUL 30-AUG 4, 2016. Nonparametric estimation and inference for covariance functions.
  • Invited Speaker, 25th ICSA Applied Statistics Symposium, Atlanta, GA, JUN 12-15, 2016. Efficient estimation of partially linear models for spatial data over complex domains.
  • Invited Speaker, 15th International Conference in Approximation Theory, San Antonio, Texas, May 22-25, 2016. Bivariate penalized splines for geo-spatial regression.
  • 2015

  • Invited Speaker, 8th International Conference of the ERCIM WG on Computational and Methodological Statistics, University of London, UK, December 12-14, 2015. Polynomial spline estimation for generalized partially linear single-index model.
  • 2014

  • Invited Speaker, 2014 Joint Applied Statistics Symposium of ICSA & KISS, Portland, Oregon, June 15-18, 2014. Bivariate penalized splines for regression.
  • Invited Speaker, Workshop on "Nonparametric Estimation and Functional Data", Corvallis, Oregon, JUN 13, 2014. Bivariate penalized splines for regression.
  • Topic Contributed, Eastern North American Region Meeting, MAR 16-19, 2014, Baltimore, MA. Bivariate penalized splines for regression.
  • 2013

  • Invited Speaker, The Second Taihu International Statistics Forum, JUL 6-8, 2013, Suzhou, China. Simultaneous inference for repeated functional data.
  • Invited Speaker, Graybill Conference on Modern Survey Statistics, JUN 9-12, 2013, Fort Collins, CO. Estimation of small area means under semi-parametric measurement error model.
  • Topic Contributed Speaker, Eastern North American Region Meeting, MAR 9-13, 2013, Orlando, FL. Variable Selection and Estimation for Longitudinal Survey Data.
  • 2012

  • Invited Speaker, The 4th International Conference on Establishment Surveys, JUN 12, 2012, in Montreal, Quebec, Canada. Identifying factors affecting nonresponse rates of complex surveys.
  • Invited Poster, Coalition for National Science Funding Exhibition & Reception on Capitol Hill, MAY 15, 2012, Washington, DC. Using Statistics to understand causes of diabetes. [Featured on the Amstat News, JUL 2012]
  • Invited Speaker, Workshop on Biostatistics and Bioinformatics, MAY 6, 2012, in Atlanta, Canada. Nonparametric estimation and model selection with applications to pima indian diabetes study.
  • Topic contributed Speaker, Eastern North American Region Meeting, APR 1-4, 2012, in Washington DC. Simultaneous variable selection and estimation in semiparametric modeling of longitudinal/clustered Data.
  • 2011

  • Invited Speaker, US Bureau of Labor Statistics, JUL 14, 2011, in Washington DC. Identifying factors affecting nonresponse rates of complex surveys.
  • Invited Speaker, Annual ICSA Applied Statistics Symposium, JUN 26-29, 2011, in New York City. Estimation and variable selection for longitudinal survey data.
  • Invited Speaker, SRCOS 2011 Summer Research Conference, JUN 5-8, 2011, in McCormick, SC. Modeling and forecasting functional time series.
  • Invited Speaker, US Bureau of Labor Statistics, MAR 3, 2011, in Washington DC. Estimation and variable selection for longitudinal survey data.
  • Invited Speaker, Department of Statistics, Purdue University, JAN 28, 2011, in West Lafayette, IN. Estimation and variable selection for generalized additive partial linear models.
  • Invited Speaker, Department of Statistics, Oregon State University, JAN 24, 2011, in Corvallis, OR. Estimation and variable selection for generalized additive partial linear models.
  • 2010

  • Invited Speaker, Department of Mathematics, Statistics and Computer Science, University of Illinois at Chicago, NOV 23, 2010, in Chicago, IL. Estimation and variable selection for generalized additive partial linear models.
  • Invited Speaker, Department of Mathematics, University of Georgia, OCT 12, 2010, in Athens GA. Spline-backfitted kernel smoothing of additive models in nonlinear time series.
  • Invited speaker (Two Minutes Madness). SAMSI Workshop, SEP 11-15, 2010, in Research Triangle Park, NC. Confidence envelopes for covariance functions in functional data.
  • Invited Speaker, Joint Statistical Meetings, JUL 31-AUG 5, 2010, in Vancouver, BC Canada. Semiparametric Marginal Mean Models for Longitudinal Survey Data.
  • Invited Speaker, Summer At Census, JUL 12-16, 2010, at Census Bureau, Washington, DC. Semiparametric Marginal Mean Models for Longitudinal Survey Data.
  • Discussant. Annual ICSA Applied Statistics Symposium, JUN 20-23, 2010, in Indianapolis, IN. Discussion on "Applications of Non- and Semiparametric Methods to Time Series and Longitudinal Data".
  • Invited Speaker, Annual ICSA Applied Statistics Symposium, JUN 20-23, 2010, in Indianapolis, IN. Estimation and variable selection for generalized additive partial linear models.
  • 2009

  • Discussant. Joint Statistical Meetings, AUG 1-6, 2009, in Washington, DC. Discussion on "Recent Advances in the Applications and Theory of Spline Smoothing".
  • Topic-contributed Speaker, Joint Statistical Meetings, AUG 1-6, 2009, Washington, DC. Semiparametric Estimation of ARCH(infinity) Models.
  • New-researcher Speaker, 12th IMS New Researchers Conference, JUL 27-31, 2009, in Baltimore, MD. Spline-backfitted kernel smoothing of additive models in time series.
  • Invited Speaker, Annual ICSA Applied Statistics Symposium, JUN 21-24, 2009, in San Francisco, CA. Spline-backfitted kernel smoothing of additive models in time series.
  • New-researcher Speaker, Symposium on New Directions in Asymptotic Statistics, MAY 15-16, 2009, in Athens, GA.Semiparametric Estimation of ARCH(infinity) Models.
  • Colloquium Speaker, Department of Biostatistics and Bioinformatics, Emory, JAN 29, 2009, in Altanta, GA.Spline-backfitted kernel smoothing of additive models in time series.
  • Poster, University of Florida 11th Annual Winter Workshop: Semiparametric Statistics, JAN 8-10, 2009, Gainesville, FL.
  • 2008

  • Colloquium Speaker, Department of Mathematical Sciences, Clemson, OCT 30, 2008, in Clemson, SC.Semiparametric Estimation of ARCH(infinity) Models.
  • Colloquium Speaker, Department of Mathematics, Georgia Tech, OCT 29, 2008, in Atlanta, GA.Semiparametric Estimation of ARCH(infinity) Models.
  • Student Seminar Speaker, Department of Statistics, University of Georgia, OCT 28, 2008, in Athens, GA.Semiparametric Estimation of ARCH(infinity) Models.
  • Contributed Speaker, Joint Statistical Meetings, AUG 2-7, 2008, Denver, CO. A Simple Semiparametric Method for Estimating ARCH(infinity) Models.
  • 2007

  • Student Seminar Speaker, Department of Statistics, University of Georgia, SEP 18, 2007, in Athens, GA.
  • Colloquium Speaker, Computational Systems Biology Lab, University of Georgia, AUG 30, 2007, in Athens, GA. Polynomial spline smoothing for nonlinear time series.
  • Invited Speaker, University of Miami, California State University at Long Beach, University of Kansas, Indiana University, Colorado State University, University of Georgia, Penn State University, George Washington University, Georgia Tech, College of William and Mary.
  • 2006

  • Colloquium Speaker, Department of Statistics and Probability, Michigan State University, OCT 24, 2006, in East Lansing, MI.Spline-backfitted kernel smoothing of additive models in time series.
  • Colloquium Speaker, Department of Statistics, Texas A and M University, OCT 5, 2006, in College Station, TX. Spline single-index prediction model.
  • Contributed Speaker, Joint Statistical Meetings, AUG 6-10, 2006, Seattle, WA. Spline single-index prediction model.
  • Contributed Speaker, the 69th IMS Annual Meeting, JUL 30-AUG 4, 2006, Rio de Janeiro, Brazil. Spline single-index prediction model.
  • Invited Speaker, Annual ICSA Applied Statistics Symposium, JUN 14-17, 2006, Storrs, CT. Nonparametric quantification of economic intervention's impact on the environmental change.
  • Invited Speaker, the 38th Symposium of the Interface of Statistics, Computer Science and Applications, May 24-27, 2006, Pasadena, CA. Spline-backfitted kernel smoothing of the nonlinear additive autoregression models.
  • Poster, University of Florida Eighth Annual Winter Workshop: Frontiers of Theoretical Statistics, JAN 14-16, 2006, Gainesville, FL.
  • 2005

  • Poster, NISS/SAMSI workshop on Financial Mathematics, Statistics and Econometrics, SEP 18-21, 2005, in Research Triangle Park, NC.