Phase B: Household sampling, structural edges, identity clustering#64
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…tering (Phase B) B1: Household-based sampling - Add HouseholdType enum, Dependent model, scope field on AttributeSpec - New households.py with Census-derived correlation tables for assortative mating - Rewrite sample_population to produce household units with correlated partner demographics - Add households table to study_db and save/get methods - CLI reports household type distribution B2: Structural edge generation - Add structural/context fields to Edge model - Generate deterministic edges: partner, household, coworker, neighbor, congregation, school_parent - Structural edges protected from calibration pruning and rewiring - Add degree_distribution_target and power_law_exponent to NetworkConfig B3: Identity clustering + conformity - Add identity_clustering_attributes and boost to NetworkConfig - Boost similarity for agents sharing identity-relevant attributes - Add STANDARD_PERSONALITY_ATTRIBUTES constant (includes conformity) All 181 tests pass (39 new + 142 existing, zero regressions).
… household Phase A's generate_name() was only called in _sample_single_agent. Partner agents from _sample_partner_agent now also get first names, and partners share the primary adult's last name.
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Summary
sample_populationproduces household units with correlated partner demographics (age gap, assortative mating on education/religion/politics, intermarriage rates). NPC dependents generated.householdstable in study DB.conformityadded as standard personality attribute.generate_name().Files changed
extropy/core/models/population.py—HouseholdType,Dependent,scopeonAttributeSpecextropy/core/models/network.py—structural,contextonEdgeextropy/population/sampler/households.py— Census correlation tables + sampling helpersextropy/population/sampler/core.py— Household-awaresample_population(backward compat)extropy/population/network/generator.py—_generate_structural_edges(), identity clustering boostextropy/population/network/config.py—degree_distribution_target,identity_clustering_*extropy/storage/study_db.py—householdstableextropy/cli/commands/sample.py— Household stats in reportTest plan
test_household_sampling.py(24 tests) — models, helpers, household sampling, backward compat, correlated demographicstest_structural_edges.py(15 tests) — edge generation, model enhancements, config🤖 Generated with Claude Code