gs_create_arm: Create npsurvSS arm object

In gsDesign2: Group Sequential Design with Non-Constant Effect

Create npsurvSS arm object

Description

Create npsurvSS arm object

Usage

gs_create_arm(enroll_rate, fail_rate, ratio, total_time = 1e+06)

Arguments

enroll_rate	Enrollment rates from define_enroll_rate().
fail_rate	Failure and dropout rates from define_fail_rate().
ratio	Experimental:Control randomization ratio.
total_time	Total analysis time.

Value

A list of the two arms.

Specification

The contents of this section are shown in PDF user manual only.

Examples

enroll_rate <- define_enroll_rate(
  duration = c(2, 2, 10),
  rate = c(3, 6, 9)
)

fail_rate <- define_fail_rate(
  duration = c(3, 100),
  fail_rate = log(2) / c(9, 18),
  hr = c(.9, .6),
  dropout_rate = .001
)

gs_create_arm(enroll_rate, fail_rate, ratio = 1)

gsDesign2 documentation built on April 3, 2025, 9:39 p.m.