Decide what to do with outliers

Help me decide what to do with outliers.
Inputs: values; analysis; tool.

1. Separate recording errors, rare real values and regime changes.
2. compare retention, correction and robust methods.
3. report sensitivity of conclusions.

Deliver: Classification, Rule, Analysis approach, Reporting, Code.
Clarify critical gaps, separate facts from assumptions, and do not invent data, citations or completed actions.

My material: [fill in here]

Before you start

Provide values; analysis; tool.