# MAGIC Actuarial models are **retrospective by nature** — pricing models are trained on historical experience, # MAGIC but the features used must reflect what was *known at the time* of each ...

# MAGIC 1. **Data Setup** — Read `gold_claims_monthly` from the declarative pipeline (52 segments × 84 months) # MAGIC 2. **Macro Integration** — Join real StatCan macro data; visualize claims vs ...