Returns the link functions, and parameter names, for vector generalized linear models (VGLMs).
linkfun(object, ...)
linkfunvlm(object, earg = FALSE, ...)Usually just a (named) character string, with the link functions
in order.
It is named with the parameter names.
If earg = TRUE then a list with the following components.
The default output.
The extra arguments, in order.
An object which has parameter link functions, e.g.,
has class "vglm".
Logical.
Return the extra arguments associated with each
link function? If TRUE then a list is returned.
Arguments that might be used in the future.
Thomas W. Yee
All fitted VGLMs have a link function applied to each parameter. This function returns these, and optionally, the extra arguments associated with them.
linkfun,
multilogitlink,
vglm.
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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