lmiranda
b6d210ec6b
Create neighbourhood-centric dbt transformation layer: Staging (5 models): - stg_toronto__neighbourhoods - Neighbourhood dimension - stg_toronto__census - Census demographics - stg_toronto__crime - Crime statistics - stg_toronto__amenities - Amenity counts - stg_cmhc__zone_crosswalk - Zone-to-neighbourhood weights Intermediate (5 models): - int_neighbourhood__demographics - Combined census with quintiles - int_neighbourhood__housing - Housing + affordability indicators - int_neighbourhood__crime_summary - Aggregated crime with YoY - int_neighbourhood__amenity_scores - Per-capita amenity metrics - int_rentals__neighbourhood_allocated - CMHC via area weights Marts (5 models): - mart_neighbourhood_overview - Composite livability score - mart_neighbourhood_housing - Affordability index - mart_neighbourhood_safety - Crime rates per 100K - mart_neighbourhood_demographics - Income/age indices - mart_neighbourhood_amenities - Amenity index Closes #60, #61, #62, #63 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
88 lines
2.6 KiB
YAML
88 lines
2.6 KiB
YAML
version: 2
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models:
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- name: int_rentals__annual
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description: "Rental data enriched with time and zone dimensions"
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columns:
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- name: rental_id
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tests:
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- unique
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- not_null
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- name: zone_code
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tests:
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- not_null
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- name: int_neighbourhood__demographics
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description: "Combined census demographics with neighbourhood attributes"
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columns:
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- name: neighbourhood_id
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description: "Neighbourhood identifier"
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tests:
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- not_null
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- name: census_year
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description: "Census year"
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tests:
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- not_null
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- name: income_quintile
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description: "Income quintile (1-5, city-wide)"
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- name: int_neighbourhood__housing
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description: "Housing indicators combining census and rental data"
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columns:
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- name: neighbourhood_id
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description: "Neighbourhood identifier"
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tests:
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- not_null
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- name: year
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description: "Reference year"
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- name: rent_to_income_pct
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description: "Rent as percentage of median income"
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- name: is_affordable
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description: "Boolean: rent <= 30% of income"
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- name: int_neighbourhood__crime_summary
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description: "Aggregated crime with year-over-year trends"
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columns:
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- name: neighbourhood_id
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description: "Neighbourhood identifier"
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tests:
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- not_null
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- name: year
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description: "Statistics year"
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tests:
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- not_null
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- name: crime_rate_per_100k
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description: "Total crime rate per 100K population"
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- name: yoy_change_pct
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description: "Year-over-year change percentage"
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- name: int_neighbourhood__amenity_scores
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description: "Normalized amenities per capita and per area"
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columns:
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- name: neighbourhood_id
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description: "Neighbourhood identifier"
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tests:
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- not_null
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- name: year
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description: "Reference year"
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- name: total_amenities_per_1000
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description: "Total amenities per 1000 population"
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- name: amenities_per_sqkm
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description: "Total amenities per square km"
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- name: int_rentals__neighbourhood_allocated
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description: "CMHC rental data allocated to neighbourhoods via area weights"
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columns:
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- name: neighbourhood_id
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description: "Neighbourhood identifier"
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tests:
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- not_null
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- name: year
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description: "Survey year"
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tests:
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- not_null
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- name: avg_rent_2bed
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description: "Weighted average 2-bedroom rent"
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- name: vacancy_rate
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description: "Weighted average vacancy rate"
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