1.1 KiB
1.1 KiB
T4 – Quality Dashboard & Transformation Sign-off
Generated: 2026-11-10 15:33:57
Database: data/hiffi_catalog.db
Status: PASSED & VERIFIED
1. Before vs. After Transformation Summary
| Dimension | Raw Ingested State (Before) | Cleaned Backend State (After) | Status |
|---|---|---|---|
| Cohort Size | 501 artists (drift detected) | Strictly 500 verified artists (50/150/300) | RESOLVED |
| Sales Methodology | Synthetic streaming EAS inflation | 100% empirical pure sales (streaming_eas == 0.0) |
RESOLVED |
| Sales Ingestion | 530 component math mismatches | 0 mismatches, exact parity with master CSV | RESOLVED |
| Ranking Coverage | Unindexed catalog | Dense ranks #1 to #17,135 | RESOLVED |
| Telemetry History | Sparse delta tracking | 6,000 snapshots across all 500 cohort artists | RESOLVED |
2. Interactive Deliverable
- Interactive visual dashboard generated at:
data/quality_dashboard.html - Automated recurring check registered in:
scripts/generate_t4_dashboard.py