| 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]