update.modelStruct {nlme} | R Documentation |
This method function updates each element of object
, allowing
the access to data
.
update(object, data)
object |
an object inheriting from class modelStruct ,
representing a list of model components, such as corStruct and
varFunc objects. |
data |
a data frame in which to evaluate the variables needed for
updating the elements of object . |
an object similar to object
(same class, length, and names),
but with updated elements.
This method function is primarily used within model fitting
functions, such as lme
and gls
, that allow model
components such as variance functions.
Jose Pinheiro and Douglas Bates