Bayesian Stopping Rules
Futility at 0.20 abandons 59.51% of no-effect experiments; the median sample across all runs is 500. The simulated power falls by about 15 points with a real lift.
Futility at 0.20 abandons 59.51% of no-effect experiments; the median sample across all runs is 500. The simulated power falls by about 15 points with a real lift.