86cb294949
test(tradein/backtest): эталон гейта после снятия квартала соседа
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Гейт `test_backtest_regression_gate` реплеит замороженную фикстуру (277 сделок)
прямо через `_price_from_inputs` с `target_house_cadnum=None`, минуя
`estimate_quality`. То есть на фикстуре меряется ровно снятие поправки по кварталу
СОСЕДА (координатный резолв в реплей не попадает — его делает вызывающий код).
Затронуто 30 сделок из 277 (10.8% — сходится с прод-оценкой поверхности ~10%);
множитель цены стало/было: min 0.704, медиана 1.019, max 1.661 (17 вверх / 13 вниз).
Сдвиг метрик (эталон → стало):
expected_sold.overall.mape_pct 13.18 → 12.63 (−0.55)
calibration.low.mape_pct 13.2 → 12.67 (−0.53)
студии mape 19.38 → 16.96 (−2.42)
3к mape 9.34 → 7.79 (−1.55)
2к mape 18.26 → 17.39 (−0.87)
комфорт mape 11.80 → 10.14 (−1.66)
бизнес mape 14.65 → 13.65 (−1.00)
УХУДШИЛОСЬ:
эконом mape 13.71 → 14.20 (+0.49), bias 2.54 → 3.33
4+ mape 16.30 → 16.38 (+0.08), bias 3.34 → −1.32
хвосты: студии p75 34.32 → 38.82, бизнес p25 −22.93 → −27.15
Покрытие (82.09/82.16), sharpness (0.743), n по всем бакетам и headline не менялись.
Атрибуция: на origin/main регенерация тем же путём даёт эталон байт-в-байт,
расхождение появляется ровно от правки резолва квартала.
2026-08-12 20:35:52 +05:00
8b79e9659b
fix(tradein/estimate): не строить цену по одному-двум аналогам, не отдавать 0 ₽ ( #2629 )
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2026-08-02 12:41:48 +00:00
bot-backend
c1a01fdbf9
fix(tradein/estimator): СберИндекс — только вторичка + confidence dispersion-ceiling (R2 H1+H2)
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H1 (деньги, каждая оценка): time-adjust ДКП-коридора брал СберИндекс `residential_real_estate_prices`,
а для обл.66 это 100% «Первичный рынок» (новостройки) → коррекция направленно противоположна
вторичке (первичка Jan→May +0.89% vs вторичка −0.39%). Fix: SBER_COEFF_DASHBOARDS →
(real_estate_deals, dinamika-tsen-obyavlenii) — обе вторичка; + segment-guard в SQL
(`segment ILIKE '%вторичн%'`) как defense-in-depth. Live-verified: остаются только Вторичный-серии.
H2 (честность): `_compute_confidence` ветка «≥4 адреса» не имела потолка разброса → пул с ±45%
IQR + «расширили радиус из-за нехватки данных» уходил как «medium» вопреки объяснению. Fix:
medium требует IQR/median < 0.35; + force-low при fallback-расширении с разбросом > 0.30.
Regression-гейт: перегенерён baseline (dedup OFF, как в гейте) — ровно 1 из 277 фикстур-кейсов
medium→low (высокодисперсный, справедливо): calibration.medium.n 2→1 (mape 14.64→6.99 —
ненадёжный ушёл), low.coverage 81.82→81.88. Δ минимальна и обоснована. 127 тестов зелёные.
Stale-СберИндекс (72д) — НЕ трогаю в коде: time-adjust валидно ре-базит Jan→May; сброс потерял
бы валидную коррекцию. Реальный gap операционный (pull не гонялся с 19.06) — в scheduler/ops.
2026-07-12 22:03:59 +03:00
a5097c3a97
fix(tradein/estimator): rebase ground-floor hedonic term onto current main ( #2002 , #2382 ) ( #2391 )
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2026-07-04 07:33:37 +00:00
c45445b726
feat(tradein/estimator): hedonic year+area correction on expected_sold ( #2002 )
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2026-06-27 16:06:08 +00:00
9448a945d4
feat(tradein/estimator): calibrated 80% prediction interval for expected_sold range ( #1966 )
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2026-06-27 14:01:24 +00:00
ec9ed56fad
feat(tradein/backtest): hermetic estimator regression gate — frozen fixture + baseline ( #1966 PR 3/3)
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2026-06-27 12:55:35 +00:00