Individual skill

metric-diagnostics

Diagnose why a metric changed or differs from expectation. Use when the task is to identify likely drivers of a metric movement, anomaly, gap, or discrepancy.

OpenAI/Codex/plugins/data-analytics/skills/metric-diagnostics/SKILL.md

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# Metric Diagnostics

Use this skill to diagnose why a metric changed or differs from expectation. Reproduce the metric, define the comparison, quantify the movement, validate likely drivers, and state what is verified, likely, unresolved, and useful to do next.

## Overall Instructions

- Follow the [shared Data instructions](../../shared/shared-skill-instructions.md) throughout this workflow.

## Dependencies

Apply the shared [dependency resolution policy](../../shared/shared-skill-instructions.md#dependency-resolution) to the categories below.

- Data Warehouse: Authoritative metric history, cohorts, and detail for reproducing and decomposing a change.
- Business Intelligence: Existing reporting views, definitions, and comparison baselines.
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