ppower {bda} | R Documentation |
To compute the power of an ANOVA-type test for proportions. It can be used for the sample size estimation.
ppower(effect.size, ngroup, n0, n1, range.p, alpha=0.05, gridsize=512)
effect.size |
Difference between the two proportions |
ngroup |
Levels of the treatment |
n0, n1 |
Sample sizes. |
range.p |
Approximate range of the proportion of control group. |
alpha |
Significance level: experimentwise error rate. |
gridsize |
A (fine) grid size to compute the power when no (less)
prior knowledge about |
The power of the test.
Wang, Bin. (TBA).