Link Functions for VGLMs
Returns the link functions, and parameter names, for vector generalized linear models (VGLMs).
linkfun.vglm(object, earg = FALSE, ...)
object |
Object of class |
earg |
Logical.
Return the extra arguments associated with each
link function? If |
... |
Arguments that might be used in the future. |
All fitted VGLMs have a link function applied to each parameter. This function returns these, and optionally, the extra arguments associated with them.
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.
link |
The default output. |
earg |
The extra arguments, in order. |
Presently, the multinomial logit model has only
one link function, multilogitlink, so a warning
is not issued for that link.
For other models, if the number of link functions does
not equal M then a warning may be issued.
Thomas W. Yee
fit1 <- vgam(cbind(r1, r2) ~ s(year, df = 3), gev(zero = 2:3), venice) coef(fit1, matrix = TRUE) linkfun(fit1) linkfun(fit1, earg = TRUE)
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