Individual skill
pho-audit
Execute Public Health Observatory algorithmic audits from registered protocol specifications. Use when Codex needs to resolve evidence from the PHO task-environment portal, construct epidemiologic cohorts, implement statistical modules (fixed-effects, ridge, elastic net, GMM, conformal inference, wild cluster bootstrap, PCA clustering, sensitivity analysis, source perturbation), and apply controlled decision rules. Supports PHO_STATE_TRANSPORT_AUDIT_V1, PHO_COUNTY_MEDIATION_TRANSPORT_V1, PHO_STATE_ROBUSTNESS_TRANSPORT_V1, PHO_COUNTY_PANEL_TRANSPORT_V1 protocols, and custom country-level audits.
experiments/codex_skill_creator_comparison_deepseek_v4_pro_max/reports/skills/task_group_023/fewshot/codex/fewshot_attempt_02/SKILL.md
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- Last checked
- Nov 11, 2026
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- Repository last updated
- Oct 29, 2026
- License
- Apache-2.0
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# PHO Audit — Public Health Observatory Algorithmic Audit Execution
## Overview
This skill teaches Codex to execute Public Health Observatory algorithmic audits end-to-end: resolve evidence through the PHO portal API, construct analytic cohorts under registered release-and-completeness rules, implement statistical modules from modular protocol profiles, and apply controlled business decision predicates.
**Before starting, read these references:**
- [portal_api.md](references/portal_api.md) — PHO portal endpoint catalog, release resolution, revision priority, geography hierarchies
- [statistical_methods.md](references/statistical_methods.md) — Reusable statistical building blocks referenced by all protocols
## Core Workflow
Every audit follows the same pattern: