Noncentral beta and noncentral F distribution
Download R Project package source:
fpow_0.0-2.tar.gz
fpow package (CRAN)
Download source code:
ncbeta.svb
(Statistica Visual Basic)
These source files can be used to compute the cdf of the noncentral beta and noncentral
F distribution, and to calculate minimal detectable differences for general ANOVA
models (sample size calculations, power analysis) in R and in Statistica Visual
Basic.
The codes contain comments, the theoretical background is discussed in the paper
On the computation of the noncentral F and noncentral beta distribution,
preprint available
in PDF format here.