1{2 "task_id": "F1-conf-01",3 "first_growth_month": "2001-01",4 "last_month": "2026-09",5 "n_months_growth": 308,6 "n_months_missing_growth": 1,7 "n_analysed": 308,8 "mean_growth_12m": 2.57412,9 "mean_growth_12m_2001_2013": 2.361215,10 "mean_growth_12m_2014_2026": 2.792628,11 "growth_2014_06": 2.097634,12 "growth_2016_07": 0.868363,13 "growth_2020_05": 0.198201,14 "growth_2022_06": 8.979361,15 "growth_2026_09": 3.717251,16 "max_growth_12m": 8.979361,17 "max_growth_month": "2022-06",18 "min_growth_12m": -1.958761,19 "min_growth_month": "2009-07",20 "feasibility": "partial",21 "feasibility_reason": "1 month(s) of the window have no computable g_t because the source publishes no index level for 2025-10; summary statistics are over the remaining months.",22 "data_issues": [23 {24 "issue": "cpi_assembled.csv has no row for 2016-07 and contains a row dated 2026-10 (outside the vintage coverage); from 2016-08 onward every value is shifted one month later than its true date (e.g. the 2016-07 value 240.101 is labelled 2016-08).",25 "handling": "cpi_assembled.csv not used for estimation; series rebuilt directly from the two authoritative vintage files."26 },27 {28 "issue": "cpi_assembled.csv uses the older 2016-07-15 vintage for 30 overlap months 2014-01..2016-06, although the 2026-10-28 vintage covers them (values differ by seasonal-factor revisions).",29 "handling": "Per the availability rule, the 2026-10-28 vintage value is used for every month it covers."30 },31 {32 "issue": "2026-10-28 vintage reports no value for 2025-10 (empty cpi cell); the 2016-07-15 vintage does not cover that month either.",33 "handling": "No interpolation; g_t for 2025-10 (and for 2026-10, outside the window) is not computable and is counted as missing."34 },35 {36 "issue": "cpi_assembled.csv has an empty cpi at row labelled 2025-11 (this is the 2025-10 gap, mislabelled by the one-month shift).",37 "handling": "Not used; see shift issue."38 },39 {40 "issue": "Growth rates for 2014-01..2014-12 combine a 2026-10-28-vintage numerator with a 2016-07-15-vintage lag (2013 months not in the recent extract); seasonal factors for 2013 were later revised.",41 "handling": "Applied the stated rule (most recent vintage available per month) as specified; flagged as a limitation in the report."42 }43 ],44 "n_input_rows": {45 "cpi_vintage_2016-07-15.csv": 834,46 "cpi_vintage_2026-10-28.csv": 153,47 "cpi_assembled.csv": 95748 },49 "random_seed": null50}