C.Y. Joanne Peng (PhD, University of Wisconsin-Madison, Quantitative Methods with a minor in Statistics) is Professor of Educational Inquiry Methodology and Adjunct Professor of Statistics atIndianaUniversity. Her research interests include logistic regression, missing data methods, and statistical computing using SAS, SPSS, BMDP, Minitab, CLUSTAN, Systat, and S+. She has published more than 50 refereed articles, book chapters, technical reports, and encyclopedia entries on applied statistics, psychometrics, and statistical computing. She is the author or co-author of two books on using SAS(R) for statistical analyses and received one BEST PAPER Award at a SAS(R) users annual conference. She has taught applied statistics and data analysis courses at major Research I universities for the past 20 years, includingUniversity ofWisconsin,University ofIowa,University ofNorth Carolina, andIndianaUniversity. She is a member of the American Statistical Association, American Educational Research Association, American Psychological Association, and the SAS Users Group International.