Filter auxiliary data by measure type and survey identifiers
filter_aux_data.RdApplies measure-specific filtering logic: CPI is filtered by
country, year, and survey acronym; PPP by country only (with a
computed ppp_version column); population, GDP, and PCE by
country and year.
See also
Other pd_process_data pipeline:
add_attr(),
aux_hash_candidates(),
build_pip_inventory(),
create_attr(),
data_to_dt(),
filter_aux_inv(),
fix_year_var(),
get_aux_hashes(),
inv_dlw_load(),
inv_to_process(),
log_report(),
pd_aux_attr(),
pd_deflation(),
save_pip_data(),
survey_id_to_attr(),
valid_dlw_load()