Packages

CORE

  • primitives
  • extended primitives
  • identification, versioning
  • grouping, comparison
  • technical modeling stuff

CONCEPTUAL

  • universe, concept, category, unit
  • representations, codelists, classifications
  • represented variables, conceptual variables

STUDY

  • study info
  • study inception (design, data management planing)
  • collection
  • archiving, preservation
  • access, discovery

DATA

  • logical data structures
  • physical data structures
  • data sets
  • instance variables (raw and derived variables)

PROCESS

GEOGRAPHY

INSTRUMENT / DATA SOURCE

  • questionnaires, routing
  • access to administrative data
  • questions, items

METHODOLOGY

  • data transformations (e.g. formulas)