Research Areas
Bootstrap; grouped data; density estimation; observational studies; applied probability; worst case analysis of heuristics; complex sample surveys; applications in the law, operations management and marketing
Current Projects
Developing new statistical methodology with applications for real-world problems. Recent study undertaken, sponsored by AARP, to help frame health care legislation.
Representative Publications
(with P.J. Bickel)
"Extensions of Chebyehev's Inequality with Applications." Probability and Mathematical Statistics 13.
(with P.Green)
"Linear Composites in Multiattribute Judgment and Choice." British Journal of Mathematics and Statistical Psychology 49.
(with D. Pfeffermann)
"Maximum Likelihood Estimation from Complex Surveys." Survey Methodology 18
Education
PhD, Harvard University, 1974; MS, Harvard University, 1973; BS, MS, Massachusetts Institute of Technology, 1972
Recent Consulting
Consultant to several major companies in the areas of data analysis, statistical methodology, mathematical modeling, and marketing research
Career and Recent Professional Awards; Teaching Awards
Fellow, American Statistical Association, 1992; Alpha Kappa Psi Award, Journal of Marketing, 1991; Lindback Award for Distinguished Teaching, University of Pennsylvania, 1978; Helen Kardon Moss Anvil Award for Teaching Excellence in the Graduate Division, 1977; Undergraduate Division Excellence in Teaching Award, 1991, 1995, 1996; David W. Hauck Award for Outstanding Teaching in the Undergraduate Division,1996
Academic Positions Held
Wharton: 1974-present (Chairperson, Statistics Department, 2002-2008; named Robert Steinberg Professor, 1996).
