oc.twostage.bdry | R Documentation |
Calculates the operating characteristics of a two-stage boundary.
oc.twostage.bdry(pu, pa, r1, n1, r, n)
pu |
unacceptable response rate |
pa |
response rate that is desirable |
r1 |
first stage threshold to declare treatment undesirable |
n1 |
first stage sample size |
r |
overall threshold to declare treatment undesirable |
n |
total sample size |
oc.twostage.bdry returns the type I and II error rates as well as the probability of early temination and expected sample size under pu for a specific boundary.
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