the estimation number to return; "last" will return the
last estimation results; otherwise, pass an integer indicating which
estimation results to return
...
not used
Value
A list with theta, omega and sigma elements,
depending on what was requested
Details
If run and project are supplied, the .xml file is
assumed to be located in run.xml, in directory run
off the project directory. If file is supplied,
run and project arguments are ignored.
This function requires that the xml2 package
be installed and loadable. If requireNamespace("xml2")
fails, an error will be generated.