oc.twostage.bdry {clinfun}R Documentation

Two-stage boundary operating characteristics

Description

Calculates the operating characteristics of a two-stage boundary.

Usage

oc.twostage.bdry(pu, pa, r1, n1, r, n)

Arguments

pu unacceptable response rate
pa response rate that is desirable
r1 first stage threshold to declare treatment undesirable
n1 first stage sample size
r overall threshold to declare treatment undesirable
n total sample size

Value

oc.twostage.bdry returns the type I and II error rates as well as the probability of early temination and expected sample size under pu for a specific boundary.


[Package clinfun version 0.8.4 Index]