This is the S3 method generic for get_data_sigma_group()
Usage
get_data_sigma_group(obj, ...)
Value
A `factor` vector giving the error SD group ID for each observation,
as the interaction of the factors specified in
`obj$stat_error_model$error_group`.
Arguments
obj
An object.
...
Additional arguments currently not in use.
See Also
[get_data_sigma_group.pk()] for the method for class [pk()]