glsStruct list
are initialized.## S3 method for class 'glsStruct':
Initialize(object, data, control, \dots)glsStruct,
representing a list of linear model components, such as
corStruct and varFunc objects.formula(object).gls. Defaults to list(singular.ok = FALSE, qrTol =
.Machine$single.eps), implying that linear dependencies are not
glsStruct object similar to object, but with
initialized model components.gls, Initialize.corStruct ,
Initialize.varFunc