coefvgam {VGAM} | R Documentation |
Extract Model Coefficients of a vgam() Object
Description
Extracts the estimated coefficients from vgam() objects.
Usage
coefvgam(object, type = c("linear", "nonlinear"), ...)
Arguments
object |
A
|
type |
Character. The default is the first choice. |
... |
Optional arguments fed into
|
Details
For VGAMs, because modified backfitting is performed,
each fitted function is decomposed into a linear and nonlinear
(smooth) part.
The argument type
is used to return which one is wanted.
Value
A vector if type = "linear"
.
A list if type = "nonlinear"
, and each component of
this list corresponds to an s
term;
the component contains an S4 object with slot names such as
"Bcoefficients"
,
"knots"
,
"xmin"
,
"xmax"
.
Author(s)
Thomas W. Yee
See Also
Examples
fit <- vgam(agaaus ~ s(altitude, df = 2), binomialff, data = hunua)
coef(fit) # Same as coef(fit, type = "linear")
(ii <- coef(fit, type = "nonlinear"))
is.list(ii)
names(ii)
slotNames(ii[[1]])
[Package VGAM version 1.1-11 Index]