Link Functions
Generic function for returning the link functions of a fitted object.
linkfun(object, ...)
object |
An object which has parameter link functions. |
... |
Other arguments fed into the specific methods function of the model. |
Fitted models in the VGAM have parameter link functions. This generic function returns these.
The value returned depends specifically on the methods function invoked.
Thomas W. Yee
pneumo <- transform(pneumo, let = log(exposure.time)) fit1 <- vglm(cbind(normal, mild, severe) ~ let, propodds, data = pneumo) coef(fit1, matrix = TRUE) linkfun(fit1) linkfun(fit1, earg = TRUE) fit2 <- vglm(cbind(normal, mild, severe) ~ let, multinomial, data = pneumo) coef(fit2, matrix = TRUE) linkfun(fit2) linkfun(fit2, earg = TRUE)
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