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a593921a83
Field-level bias scan (scripts/corpus_1000/field_bias.py) flagged solid-brick + internal-insulation certs (wall_con+ins=(3,3)) systematically under-rating (median -0.40, n=18). Root cause: _insulation_bucket routed insulation that is KNOWN PRESENT but with a thin lodged thickness (5-24mm, below the smallest tabulated 50mm column) to bucket 0 (uninsulated, U 1.7) - WORSE than the present-but-unknown case, which the RdSAP Table 6 footnote correctly routes to the 50mm row. A known 10mm shouldn't read as higher-U than not knowing at all. Now present insulation never falls to bucket 0; thin/unknown thickness both round up to the 50mm row. Only genuinely absent insulation maps to 0. Corpus cert 5117280 (10mm internal, no wall thickness -> bucket path): Δ -4.44 -> +1.08. Corpus MAE 0.641 -> 0.637, PE MAE 3.0 -> 2.9. Gauge 77.7% holds; 44 RealCert pins + 342 fabric tests green. TDD: 2 new unit tests. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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| .. | ||
| addresses | ||
| billing | ||
| data_transformation | ||
| elmhurst | ||
| epc | ||
| epc_prediction | ||
| fuel_rates | ||
| geospatial | ||
| magicplan | ||
| modelling | ||
| property | ||
| property_baseline | ||
| sap10_calculator | ||
| sap10_ml | ||
| tasks | ||
| building_geometry.py | ||
| postcode.py | ||