> "If one or both of the sample proportions are close to 0 or 1 then this approximation is not valid and you need to consider an alternative sample size calculation method."
0.86 is fairly close to 1. And they're not proportions but rather averages of Dice coefficients. The statistics used here seem very suspicious. I'd like to see a Monte Carlo simulation or at least the assumptions / derivation of the formula used.
> "If one or both of the sample proportions are close to 0 or 1 then this approximation is not valid and you need to consider an alternative sample size calculation method."
0.86 is fairly close to 1. And they're not proportions but rather averages of Dice coefficients. The statistics used here seem very suspicious. I'd like to see a Monte Carlo simulation or at least the assumptions / derivation of the formula used.