Optimal critical values and times of intermediate testing points are determined to minimize expected sample size in a variety of situations. Two- stage and three-stage models are considered for a variety of values of power. We investigate the robustness of the optimality parameters.
ASJC Scopus subject areas
- Statistics and Probability
- Biochemistry, Genetics and Molecular Biology(all)
- Immunology and Microbiology(all)
- Agricultural and Biological Sciences(all)
- Applied Mathematics