For two-arm two-stage design, obtains bias for a single true response rate.
Usage
pwb2stage(N = 2428, theta0 = 0.2, theta1 = 0.15, nsims = 10000)
Arguments
- N
Maximum sample size
- theta0
true response probability for control arm
- theta1
true response probability for treatment arm
- nsims
number of simulations (default 1e4)
Value
list of length 2:
ests: estimates
mc.error