February, 2003
© 2000, 2001
Scott S. Emerson, M.D., Ph.D.
Lan and DeMets (1983)
approach (cont.)
More
recently authors have focussed on error spending functions of the
form
(Kim and
DeMets, 1987; Jennison and Turnbull, 1989; Hwang, Shih, and DeCani,
1990)