Institution: | 1 Department of Statistics, University of Central Florida, P.O.Box 162370, Orlando, Florida 32816, U.S.Azhang{at}mail.ucf.edu wliu{at}mail.ucf.edu 2 MathSoft, Inc., 1700 Westlake Avenue No., Suite 500, Seattle, Washington 98109, U.S.A. yzhan{at}statsci.com |