a list
with components
Zttranspose of the sparse model matrix for the random effects
thetainitial values of the covariance parameters
Lindan integer vector of indices determining the mapping of
the elements of the theta
vector to the "x"
slot of
Lambdat
Gpa vector indexing the association of
elements of the conditional mode vector
with random-effect terms; if nb
is the vector of numbers
of conditional modes per term (i.e. number of groups times number
of effects per group), Gp
is c(0,cumsum(nb))
(and conversely nb
is diff(Gp)
)
lowerlower bounds on the covariance parameters
Lambdattranspose of the sparse relative covariance factor
flistlist of grouping factors used in the
random-effects terms
cnmsa list of column names
of the random effects according to the grouping factors
Ztlistlist of components of the transpose of the
random-effects model matrix, separated by random-effects term