make.link {stats} | R Documentation |
Create a Link for GLM Families
Description
This function is used with the family
functions in
glm()
.
Given the name of a link, it returns a link function, an inverse link
function, the derivative dmu/deta and a function
for domain checking.
Usage
make.link(link)
Arguments
link |
character; one of "logit" ,
"probit" , "cauchit" , "cloglog" , "identity" ,
"log" , "sqrt" , "1/mu^2" , "inverse" .
|
Value
A object of class "link-glm"
, a list with components
linkfun |
Link function function(mu) |
linkinv |
Inverse link function function(eta) |
mu.eta |
Derivative function(eta) dmu/deta |
valideta |
function(eta) { TRUE if
eta is in the domain of linkinv }. |
name |
a name to be used for the link |
.
See Also
power
, glm
, family
.
Examples
utils::str(make.link("logit"))
[Package
stats version 2.11.0
Index]