1. Frames2::Dat
    Joint sample database
  2. Frames2::DatA
    Database of household expenses for frame A
  3. Frames2::DatB
    Database of household expenses for frame B
  4. Frames2::DatMA
    Database of students' program choice for frame A
  5. Frames2::DatMB
    Database of students' program choice for frame B
  6. Frames2::DatPopM
    Database of auxiliary information for the whole population of students
  7. Frames2::PiklA
    Matrix of inclusion probabilities for units selected in sample from frame A
  8. Frames2::PiklB
    Matrix of inclusion probabilities for units selected in sample from frame B