audit_transformation    Audit geographic transformation
check_census_key        Check for Census API key
create_audit_report     Create complete audit report
extract_perturbed_population
                        Extract perturbation by receiving county
get_zcta_baseline       Get ACS baseline data for ZCTAs
pad_geoid               Pad GEOID to 5 digits
plot_baseline_zctas     Plot baseline ZCTAs
plot_geometric_vs_relationship
                        Plot geometric vs relationship membership
plot_transformation_perturbation
                        Plot transformation perturbation
prep_hud_crosswalk      Prepare HUD ZIP-County crosswalk data
prep_zip_zcta           Prepare ZIP-ZCTA crosswalk data
print.shellgame_audit   Print method for shellgame_audit
run_full_transformation
                        Run full transformation pipeline
summary.shellgame_audit
                        Summary method for shellgame_audit
transform_zcta_to_zip   Transform ZCTA data to ZIP level
transform_zip_to_county
                        Transform ZIP data to County level
