| update.gls {nlme} | R Documentation |
The non-missing arguments in the call to the update.gls method
replace the corresponding arguments in the original call used to
produce object and gls is used with the modified call to
produce an updated fitted object.
update(object, model, data, correlation, weights, subset,
method, na.action, control, verbose, ...)
object |
an object inheriting from class gls, representing
a generalized least squares fitted linear model. |
other arguments |
defined as in gls. See
that function's documentation for descriptions of and default values
for these arguments. |
... |
some methods for this generic require additional arguments. None are used in this method. |
an updated gls object.
Jose Pinheiro and Douglas Bates
data(Ovary)
fm1 <- gls(follicles ~ sin(2*pi*Time) + cos(2*pi*Time), Ovary,
correlation = corAR1(form = ~ 1 | Mare))
fm2 <- update(fm1, weights = varPower())