Normalise the year variable name in an auxiliary change table

Finds the column whose name contains "year", renames it to "surveyid_year" if needed, and returns a unique two-column data.table of country_code and surveyid_year.

Usage

fix_year_var(dt)

Arguments

dt

A data.table from an auxiliary-change comparison.

Value

A data.table with columns country_code and surveyid_year.

See also

Other pd_process_data pipeline: add_attr(), aux_hash_candidates(), build_pip_inventory(), create_attr(), data_to_dt(), filter_aux_data(), filter_aux_inv(), 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()