blindrecalc (version 1.1.0)

n_fix,FarringtonManning-method: Fixed Sample Size

Description

Returns the sample size of a fixed design without sample size recalculation.

Usage

# S4 method for FarringtonManning
n_fix(design, nuisance, rounded = TRUE, ...)

Value

One value of the fixed sample size for every nuisance parameter and every value of n1.

Arguments

design

Object of class FarringtonManning created by setupFarringtonManning.

nuisance

Value of the nuisance parameter. For the Farrington-Manning test this is the overall response rate.

rounded

Whether the calculated sample size should be rounded up such that the allocation ratio is preserved.

...

Further optional arguments.

Details

The method is only vectorized in either nuisance or n1.

Examples

d <- setupFarringtonManning(alpha = 0.025, beta = 0.2, r = 1,
                            delta = 0, delta_NI = 0.25)
n_fix(d, nuisance = 0.3)