An abstract class from which SDMX Data classes are derived
object of class "XMLInternalDocument derived from XML package
object of class "data.frame" given the list of namespace URIs
an object of class "SDMXData"
Object of class "character" giving the DSD Reference
Object of class "SDMXDataStructureDefinition"
This class is not useful in itself, but all SDMX Data classes in this package derive from it.
Emmanuel Blondel, email@example.com