Audita modelos de ML: contradições vs regras de negócio, comparação multi-modelo, drift de explicação e fairness — via SHAP
Project description
modelcheck
Valida modelos de ML contra regras de negócio, detecta drift de explicação e fairness — tudo via SHAP.
Por quê?
Seu modelo pode ter boa acurácia e ainda assim decidir pelo motivo errado.
Instalação
pip install -e .
Uso
from modelcheck.guard import ModelGuard
from modelcheck.report import summary
guard = ModelGuard(models, X, rules_path="rules.yaml",
sensitive_features=["idade"])
report = guard.run(X)
print(summary(report))
# monitorar drift depois:
report2 = guard.run(X_novo, baseline_snapshots=report["snapshots"])
Features
- Contradições: modelo vs regras de negócio (raro no mercado)
- Comparação multi-modelo: onde XGBoost e LogReg discordam
- Drift de explicação: alerta se o "porquê" das previsões mudou
- Fairness: features sensíveis pesando demais
- RuleLearner: aprende regras dos dados automaticamente
from modelcheck.rules.rule_learner import RuleLearner
learner = RuleLearner()
learner.to_yaml(learner.learn(X, y), "rules.yaml")
Regras (rules.yaml)
rules:
- feature: price
expected_direction: negative
description: "Preço alto reduz venda"
Testes
pytest tests/
Licença
MIT
Project details
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