aggregates              'dgo' example data: aggregated item responses
annual_state_race_targets
                        'dgo' example data: annual U.S. population
                        targets by state and race
dgodata                 dgodata: Data for the 'dgo' Package
opinion                 'dgo' example data: item responses
states                  'dgo' example data: state demographics
targets                 'dgo' example data: U.S. population targets
