Update an nlme Object
Usage
update(object, model, data, fixed, random, groups, start,
correlation, weights, subset, method, na.action, naPattern,
control, verbose)
Arguments
object
|
an object inheriting from class nlme , representing
a fitted nonlinear mixed-effects model.
|
other arguments
|
defined as in nlme . See the
documentation on that function for descriptions of and default values
for these arguments.
|
Description
The non-missing arguments in the call to the update.nlme
method
replace the corresponding arguments in the original call used to
produce object
and nlme
is used with the modified call to
produce an updated fitted object.Value
an updated nlme
object.Author(s)
Jose Pinheiro and Douglas BatesSee Also
nlme
Examples
library(lme)
data(Soybean)
fm1 <- nlme(weight ~ SSlogis(Time, Asym, xmid, scal), data = Soybean,
fixed = Asym + xmid + scal ~ 1, start = c(18, 52, 7.5))
fm2 <- update(fm1, weights = varPower())