nlme (version 3.1-1)

initialize.lmeStruct: Initialize an lmeStruct Object

Description

The individual linear mixed-effects model components of the lmeStruct list are initialized.

Usage

initialize(object, data, groups, conLin, control)

Arguments

object
an object inheriting from class lmeStruct, representing a list of linear mixed-effects model components, such as reStruct, corStruct, and varFunc objects.
data
a data frame in which to evaluate the variables defined in formula(object).
groups
a data frame with the grouping factors corresponding to the lme model associated with object as columns, sorted from innermost to outermost grouping level.
conLin
an optional condensed linear model object, consisting of a list with components "Xy", corresponding to a regression matrix (X) combined with a response vector (y), and "logLik", corresponding t
control
an optional list with control parameters for the initialization and optimization algorithms used in lme. Defaults to list(niterEM=20, gradHess=TRUE), implying that 20 EM iterations are to be used in the derivation of

Value

  • an lmeStruct object similar to object, but with initialized model components.

See Also

lme, initialize.reStruct, initialize.corStruct , initialize.varFunc