Power and sample size for the F distribution given non-centrality, degrees of freedom, alpha, N (for f.power), and power (for f.sample.size)
f.power(n, nc, df1, alpha)
f.power.dif(n, nc, df1, alpha, power)
f.sample.size(nc, df1, alpha, power, lower=20, upper=10000)sample size
non-centrality parameter
degrees of freedom for numerator of f distribution
type-I error
desired power (for sample size)
lower limit for search space for sample size solution
upper limit for search space for sample size solution
power, the difference in power from target power, and sample size, respectively for the three functions, assuming an F distribution for the test statistic