R: Create a Link for PTSR models

ptsr.link

R Documentation

Create a Link for PTSR models

Given the name of a link, this function returns a link function, an inverse link function, the derivative deta/dmu and the derivative dmu/deta.

ptsr.link(link = "log")

link

character; one of "log", "log1". See ‘Details’.

The available links are:

log: f(x) = log(x)

log1: f(x) = log(x-1)

An object of class "link-ptsr", a list with components

`linkfun`	Link function `function(mu)`
`linkinv`	Inverse link function `function(eta)`
`linkdif`	Derivative `function(mu)` deta/dmu
`mu.eta`	Derivative `function(eta)` dmu/deta
`name`	a name to be used for the link