# Data audit

• File: data/panel.csv, SHA-256 968410b993df4d696194ba82b35a030d9c4f5f69e3c2de2c16c7b304d55ce5a8 (matches bundle.json)
• 2000 rows x 3 columns: firm_id (int64), x (float64, dimensionless), y (float64, dimensionless). No dates (cross-section/panel without time index).
• Missing values: 0 in all columns. Non-finite values: 0. Exact duplicate rows: 0.
• firm_id: 50 distinct firms (0..49), balanced: exactly 40 observations each.
• x: mean 0.161, sd 1.325, range [-4.34, 4.99]; y: mean 1.573, sd 1.782, range [-3.50, 7.20]. No apparent anomalies.
• Information availability: only input is the allowed file; no violations.
• Exclusions: none needed (ledger records a no-op completeness step).