bot-backend
a749151679
Apply quarter_price_index (FDW) via gap-correction to avoid double-counting location already encoded in the analog median: adjusted_ppm2 = base_median_ppm2 × (target_index / avg_analog_index) median_price/range_low/range_high scale by the same factor. Guards (no double-count + no regression): - feature flag estimate_quarter_index_enabled (default on) - pure-radius path only: skip if same-building anchor fired (anchor_tier) or any Avito IMV anchor influenced median/range (imv_anchor_present) - Guard-2: skip when >0.6 of analogs share the target quarter - sparse fallback: no row / n_deals<10 / FDW error → no-op - bimodal guard: price_index>2.0 & n_deals<50 → no-op (heterogeneous quarters) Analog quarter from listings.building_cadastral_number (added to analog SELECT); target quarter from dadata.house_cadnum. Batched single FDW lookup for analog indexes. Disclosure appended to confidence_explanation. Refs #764 |
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