update.modelStruct {nlme}R Documentation

Update a modelStruct Object

Description

This method function updates each element of object, allowing the access to data.

Usage

update(object, data)

Arguments

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.

Value

an object similar to object (same class, length, and names), but with updated elements.

Note

This method function is primarily used within model fitting functions, such as lme and gls, that allow model components such as variance functions.

Author(s)

Jose Pinheiro and Douglas Bates