February, 2003
© 2000, 2001 Scott S. Emerson, M.D., Ph.D.
Error
spending family (Kim and DeMets, 1987; Jennison and Turnbull, 1989)
Power family for
error spending function
Pampallona,
Tsiatis, and Kim (1995) describe a family by interpolating the
error spending function for tests defined on the sample mean scale