amitdhanda48
a6e4cdbbeb
feat(data-analysis): data-quality-auditor
Adds a new data-quality-auditor skill with three stdlib-only Python tools:
- data_profiler.py: full dataset profile with DQS (0-100) across 5 dimensions
- missing_value_analyzer.py: MCAR/MAR/MNAR classification + imputation strategies
- outlier_detector.py: IQR, Z-score, and Modified Z-score (MAD) outlier detection
Validator: 86.4/100 (GOOD). Security audit: PASS (0 critical/high).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>