{"id":"lagged_relationships","columns":[{"name":"series_a_id","type":["string","null"]},{"name":"series_b_id","type":["string","null"]},{"name":"metric_a_id","type":["string","null"]},{"name":"metric_b_id","type":["string","null"]},{"name":"scenario_a","type":["string","null"]},{"name":"scenario_b","type":["string","null"]},{"name":"entity_a","type":["string","null"]},{"name":"entity_b","type":["string","null"]},{"name":"period_kind","type":["string","null"]},{"name":"category_a","type":["string","null"]},{"name":"category_b","type":["string","null"]},{"name":"source_family_a","type":["string","null"]},{"name":"source_family_b","type":["string","null"]},{"name":"unit_a","type":["string","null"]},{"name":"unit_b","type":["string","null"]},{"name":"lag_years_b_minus_a","type":["integer","null"]},{"name":"overlap_n","type":["integer","null"]},{"name":"first_period_a","type":["integer","null"]},{"name":"last_period_a","type":["integer","null"]},{"name":"first_period_b","type":["integer","null"]},{"name":"last_period_b","type":["integer","null"]},{"name":"pearson_r","type":["number","null"]},{"name":"spearman_rho","type":["number","null"]},{"name":"selection_rule","type":["string","null"]},{"name":"lag_definition","type":["string","null"]},{"name":"association_note","type":["string","null"]}],"empty_values":"CSV empty fields and JSON null mean unavailable; an explicit zero is numeric zero.","source_reference":"Source URL plus page, row, column, or line fields where supplied. Financial columns keep their own budget stages."}