Weibull: Weibull Curve constructor function

In gestate: Generalised Survival Trial Assessment Tool Environment

Weibull Curve constructor function

Description

This creates a Curve object for a Weibull distribution.
Curve objects contain all necessary information to describe a distribution, including functions and parameters describing it.
Parameterisation follows that used by pweibull etc. See Details for more information on parameterisation.

Usage

Weibull(alpha, beta = 1)

Arguments

alpha	Scale parameter for Weibull distribution.
beta	Shape parameter for Weibull distribution. Default is 1; an exponential distribution.

Details

The Weibull distribution with shape parameter beta and scale parameter alpha has parameterisation:
f(x) = (beta/alpha) (x/alpha)^(beta-1) exp(- (x/alpha)^beta)
F(x) = 1 - exp(- (x/alpha)^beta)

Author(s)

James Bell

Examples

Weibull(alpha=100,beta=0.8)

gestate documentation built on April 26, 2023, 5:10 p.m.