Previous Work

• Beckman, Baggerley & McKay (1996)

• State-of-the-art application of IPF for census

• Geography attribute gets special treatment

• • Due to nature of data in PUMS and census tables

• Two approaches: zone-by-zone, or all zones at once

• Treats final table as a PMF

• • Monte Carlo draws used to integerize
  • Hurts fit to target margins

• Limited number of attributes