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Get Started Free →Track dataset lineage, transformation steps, merge logic, and reproducibility risks in Stata workflows. Use when the user needs to explain where data came from, how it changed, or why a pipeline can be trusted.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-20 | ✗→✓ | ▲ Improved | 76% | 0% |
| case-14 | ✓→✗ | ▼ Worse | -7% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | -33% | 0% |
| case-09 | ✓→✓ | ＝ Same ✓ | -5% | 0% |
| case-10 | ✓→✓ | ＝ Same ✓ | -25% | 0% |
Use this skill when lineage and reproducibility matter.
Read references/lineage.md for the provenance checklist.
Other measured skills in the registry, with their headline benchmark lift.