Insurance pricing education and open-source tooling for UK actuaries and pricing teams.
The site at burningcost.github.io publishes worked examples, methodology explainers, and links to all open-source libraries.
Model building
| Library | Description |
|---|---|
| shap-relativities | Extract rating relativities from GBMs using SHAP |
| insurance-interactions | Automated GLM interaction detection via CANN and NID scores |
| insurance-cv | Walk-forward cross-validation respecting IBNR structure |
Uncertainty quantification
| Library | Description |
|---|---|
| insurance-conformal | Distribution-free prediction intervals for Tweedie models |
| bayesian-pricing | Hierarchical Bayesian models for thin-data segments |
| credibility | Bühlmann-Straub credibility weighting |
Deployment and optimisation
| Library | Description |
|---|---|
| rate-optimiser | Constrained rate change optimisation with FCA PS21/5 compliance |
| insurance-demand | Conversion, retention, and price elasticity modelling |
Governance
| Library | Description |
|---|---|
| insurance-fairness | Proxy discrimination auditing for UK insurance models |
| insurance-causal | Double Machine Learning for causal pricing inference |
| insurance-monitoring | Model monitoring: PSI, A/E ratios, Gini drift test |
Spatial
| Library | Description |
|---|---|
| insurance-spatial | BYM2 spatial territory ratemaking for UK personal lines |
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