ncp_power: Find the approximate non-centrality parameter and power of a...

In dominicmagirr/modestWLRT: Functions for implementing modestly-weighted logrank tests.

Description

ncp_power returns the approximate non-centrality parameter and power of a modestWLRT for a range of possible values of t*.

Usage

ncp_power(t_star, model, recruitment, dco, length_t,
  alpha_one_sided = 0.025)

Arguments

t_star	A vector. A range of possible values for t*.
model	A piecewise constant hazard model. A list containing the change_points; the rates lambdas_0 on the control arm; and the rates lambdas_1 on the treatment arm.
recruitment	List of recruitment information. Containing Sample size on control, n_0 Sample size on treatment, n_1 Recruitment period, r_period Recruitment parameter for power model, k
dco	Time of data cut-off.
length_t
alpha_one_sided

Value

A list containing

1. non-centrality parameter corresponding to each t* ncp

2. power corresponding to each t* power

dominicmagirr/modestWLRT documentation built on Sept. 16, 2020, 2:43 p.m.