The gov-EPC API lodges a two-main dwelling's main_heating_fraction pair in two incompatible encodings — a decimal fraction summing to ~1.0 ([0.8, 0.2]) or an integer percent summing to ~100 ([80, 20]) — while every consumer divides by 100 unconditionally. A decimal pair therefore collapsed the second main's share to ~1% of its true value, billing almost the whole load to the first system's fuel/efficiency. Normalise once at the mapper via a shared pair-sum discriminator (_normalised_main_heating_fraction): a genuine two-main split summing nearer 1.0 than 100 is scaled to percent; a percent pair and any single main are left exactly as lodged, so the 3 percent-encoded corpus certs do not regress. Wired across the seven from_rdsap_schema_* branches and the SAP-17.1 path, whose old int(fraction) floor silently deleted a decimal-lodged second main (int(0.35)=0). Spec: RdSAP 10 item 7-5 (percent is canonical), p.81. Corpus: within-0.5 80.3% -> 80.6%, MAE 0.584 -> 0.578. Example cert 10070086972 17.59 -> 18.73 (toward lodged 18). Closes #1666. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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| asset_list | ||
| backend | ||
| backlog | ||
| datatypes | ||
| deployment/terraform | ||
| docs | ||
| domain | ||
| epr_data_exports | ||
| etl | ||
| harness | ||
| infrastructure | ||
| model_data/requirements | ||
| orchestration | ||
| recommendations | ||
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| survey_report | ||
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| utils | ||
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| ara_backend_design.md | ||
| BaseUtility.py | ||
| CLAUDE.md | ||
| conftest.py | ||
| CONTEXT.md | ||
| devcontainer.sh | ||
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| Makefile | ||
| MEMORY.md | ||
| modelling_audit.md | ||
| next_claude_prompt.txt | ||
| P960-0001-001431-2.pdf | ||
| package-lock.json | ||
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| pytest.ini | ||
| README.md | ||
| run_lambda_local.sh | ||
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| Summary_001431-3.pdf | ||
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Model Repository
This repository contains the code pertaining to the development of the data science and machine learning products being utilised by Hestia.
The different folders in this repository relate to services that can be used independently, or can be imported and used as part of a larger application
Getting Started
Prerequisites
Dev Container Setup
This repo uses a Docker Compose-based dev container. The model-backend service joins a shared-dev Docker network so it can communicate with other local services (e.g. a frontend container) running on your machine.
VS Code users: The initializeCommand in devcontainer.json creates the shared-dev network automatically before the container starts. No manual step required — just open the repo and select Reopen in Container.
Non-VS Code / CI workflows: Run the following once before starting the container:
make dev-setup
This is idempotent and safe to re-run if the network already exists.
Folders
backend/
This folder contains the code for the fastapi backend service, which provides an interface to much of the functionality in this repository, for the frontend
model_data/
This folder contains related to the reading and preparation of assessment model data, including pulling out epc attributes
Testing
All tests can be run, against the configuration in pytest.ini running
pytest
This will run the complete panel of tests and report on coverage in the locations specified by the pytest.ini file.
To run tests in a specific service, e.g. inside of model_data, simply run
pytest --cov-config=model_data/.coveragerc --cov=model_data
This will produce the test results and coverage reports