data-analysis
Installation
SKILL.md
Data Analysis Skill
Every analysis begins with the decision being supported, works backward to the evidence required, and only then touches the data. This prevents the common failure mode where analysis produces impressive summaries that answer the wrong question. Analysis without a decision is just arithmetic.
Reference Loading Table
| Signal | Load These Files | Why |
|---|---|---|
| extended pattern catalog: methodology, statistical, communication, process fixes | preferred-patterns.md |
Loads detailed guidance from preferred-patterns.md. |
| writing analysis scripts: tool detection and metric computation code | compute-examples.md |
Loads detailed guidance from compute-examples.md. |
| errors, error handling | error-handling.md |
Loads detailed guidance from error-handling.md. |
| writing analysis-report.md per analysis type (A/B, trend, distribution) | output-templates.md |
Loads detailed guidance from output-templates.md. |
| applying Phase 4 statistical gates: adequacy, fairness, correction, significance | rigor-gates.md |
Loads detailed guidance from rigor-gates.md. |
| end-to-end phase walkthroughs on realistic inputs | worked-examples.md |
Loads detailed guidance from worked-examples.md. |