Modelling
Purpose
Describe model classes, inference contracts, diagnostics, and decision-layer semantics for DSAMbayes.
Audience
- Practitioners building and interpreting DSAMbayes models.
- Reviewers validating modelling assumptions and outputs.
Pages
| Page | Topic |
|---|---|
| Model Classes | BLM, hierarchical, and pooled class constructors, fit support, and limitations |
| Model Object Lifecycle | State transitions from construction through fitting to post-fit extraction |
| Priors and Boundaries | Prior schema, defaults, overrides, boundary controls, and scale semantics |
| Minimal-Prior Policy | Governance guidance for prior specification in MMM |
| Response Scale Semantics | Identity vs log response, KPI-scale conversion, Jensen-safe reporting |
| Diagnostics Gates | Policy modes, threshold tables, identifiability gate, and remediation actions |
| CRE / Mundlak | Correlated random effects for hierarchical models |
| Time Components | Managed holiday feature generation and weekly anchoring |
| Budget Optimisation | Decision-layer budget allocation, objectives, risk scoring, and response transforms |