Rick L. Williams

Product-limit survival functions with correlated survival times

Rick L. Williams, 1995, Lifetime data analysis.

Combining Probability and Non-Probability Sampling Methods: Model-Aided Sampling and the O*NET Data Collection Program

Paul P. Biemer, Marcus E. Berzofsky, Rick Williams, 2009 .

Ratio estimates, the delta method, and quantal response tests for increased carcinogenicity.

R L Williams, G. Bieler, R. L. Williams, 1993, Biometrics.

Using a model-aided sampling paradigm instead of a traditional sampling paradigm in a nationally representative establishment survey

P. Biemer, M. Berzofsky, Rick L. Williams, 2008 .