Orthogonal Arrays: Theory and Applications. Discussion leader for a roundtable discussion, First Midwest Conference for New Directions in Experimental Design, Columbus, OH, May 18-20, 2000.
Orthogonal arrays: Open problems and recent developments. Reflections on the Past and Visions for the Future, an International Conference in Honor of Professor C.R. Rao, San Antonio, TX, March 16-19, 2000.
Optimal Crossover Designs. Sixth International Conference on Statistics, Combinatorics, and Related Areas, Forum for Interdisciplinary Mathematics, Mobile, AL, December 18-20, 1999.
Studying dispersion effects through designed experiments. Seminar, Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago, Chicago, IL, November, 1999.
Compound Orthogonal Arrays. Annual Meeting of the Statistical Society of Canada, Regina, Canada, June 6-9, 1999.
Compound Orthogonal Arrays. Spring Research Conference (SRC) on Statistics and Technology, Minneapolis-St.Paul, MN, June 2-4, 1999.
Optimal and Efficient Crossover Designs. First International Workshop on Crossover Designs, Göteborg, Sweden, May 19-20, 1999.
Crossover Designs for Correlated Data. Fifth Annual Biopharmaceutical Applied Statistics Symposium (BASS), Hilton Head Island, SC, December 7-11, 1998 (presented jointly with A.S. Hedayat).
Compound Orthogonal Arrays. Experimental Design: Theory and Applications, Mathematisches Forschungsinstitut Oberwolfach, Germany, Nov. 1-7, 1998.
Orthogonal arrays and compound orthogonal arrays. Seminar, Department of Statistics, Virginia Tech, 1998.
Crossover Designs. Seminar, Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago, Chicago, IL, 1998.
Orthogonal Arrays. Two 2-hour lectures, Department of Statistics, University of Dortmund, Dortmund, Germany, November 17-21, 1997.
Crossover Designs. Seminar, Department of Statistics, University of Dortmund, Dortmund, Dortmund, Germany, 1997.
Crossover Designs. Longitudinal Data Analysis Workshop, Northern Illinois University, DeKalb, IL, November 6-7, 1997.
Crossover Designs. 50th Anniversary Conference of the Department of Statistics, Iowa State University, Ames, IA, October 16-18, 1997.
On the existence of p-trend-free block designs. Joint Statistical Meetings, Anaheim, CA, August 10-14, 1997 (contributed session).
Orthogonal arrays: Selected results and some open problems. Seminar, Institute of Statistical Science, Academia Sinica, Taipei, Taiwan, 1997.
Orthogonal arrays: Selected results and some open problems. Department of Mathematics and Department of Statistics, Tamkang University, Taipei, Taiwan, 1996.
Design of experiments in the presence of trends. First DeKalb Symposium on Recent Developments in Statistical Science, DeKalb, IL, September 27-29, 1996.