Claude-51124
4794e564ad
Add comprehensive dynamic learning system (4.8)
포괄적 동적 학습 시스템 추가:
**4.8.1 Feature Engineering**:
- Stage → Continuous/Embedding (categorical split 제거)
- Industry → TF-IDF/Word2Vec embedding
- 연속 변수 추가: founding_year, total_funding, location
**4.8.2 Hyperparameter Learning**:
- K_min_tags, IQR_multiplier, burn_in_ratio 자동 최적화
- Cross-validation + MAPE
- 데이터 100개마다 재최적화
**4.8.3 Hierarchical Bayesian**:
- μ_base + stage_effect + industry_effect
- 모든 데이터(442개) 함께 사용
- Stage 간 관계 학습, shrinkage
**4.8.4 PostgreSQL 스키마**:
- learned_parameters 테이블
- investment_data 테이블
**4.8.5 자동 재학습**:
- PostgreSQL Trigger (10개 추가마다)
- pg_notify + asyncpg LISTEN
- Async 재학습 플로우
**교훈 7.7 추가**: 임의 경계의 문제
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-17 00:39:31 +09:00
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