pFstopEstop: Operating characteristics of a single-arm trial with a binary...

Description Usage Arguments Examples

View source: R/pFstopEstop.R

Description

Determines the operating characteristics of a single-arm trial with a binary endpoint (success - failure) on the basis of analytical derivations. The design allows for stopping for futility and stopping for efficacy. Outputs are

Usage

1
pFstopEstop(p, vn.int, v.critE, v.critF)

Arguments

p

true response rate

vn.int

vector of sample sizes at the interim analyses

v.critE

vector of critical boundaries for calling efficacy at the interim analyses (stop for efficacy if number of successes >= boundary)

v.critF

vector of critical boundaries for futility stopping at the interim analyses (stop for futility if number of successes <= boundary). Choose boundary=-1 if no stopping for futility is allowed.

Examples

1
pFstopEstop(p=0.3,vn.int=c(3,9,13,18,20),v.critE=4:8, v.critF=c(0,1,2,3,3))

BDP2 documentation built on May 1, 2019, 9:03 p.m.