Individual skill

pho-algorithmic-audit

Solve Public Health Observatory (PHO) registered algorithmic-audit tasks. Use when a task gives an analysis_request.json plus an answer_template.json and points to a read-only PHO web portal (state/county/country health & socioeconomic data), asking for a multi-module statistical audit — release/cohort resolution, fixed-effects / GMM / ridge / elastic-net, nested cross-validation, wild cluster bootstrap-t, split/grouped conformal, trajectory PCA + deterministic k-means stability, source perturbation / Shapley — returned as one JSON object conforming to the template. Recompute every value live from the portal; never reuse numbers across tasks.

experiments/claude_code_opus_4_8_xhigh/reports/skills/task_group_023/fewshot/fewshot_attempt_03/SKILL.md

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Last checked: Nov 6, 2026

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Repository stars (not skill ratings): 121
Repository last updated: Oct 29, 2026
License: Apache-2.0

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SKILL.mdcore · 7,211 bytes
SKILL.mdcore · 7,211 bytes
SKILL.mdcore · 7,211 bytes
SKILL.mdcore · 7,211 bytes
references/methods.mddoc · 14,610 bytes
references/portal.mddoc · 4,819 bytes

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# PHO algorithmic audit

You are handed three things per task:

- `prompt.txt` — the business framing and the portal reference `<TASK_ENV_BASE_URL>`.
- `payloads/analysis_request.json` — the **registered spec**: bindings (entities,
  measures, years, sources, filters), the ordered audit **modules** (each with a
  `method` name and `required_evidence`), reporting rules, and the
  **decision rule**.
- `payloads/answer_template.json` — the **response contract**: exact top-level
  keys, per-field types, array lengths/orderings, enum values, precision.

Deliverable: **exactly one JSON object** conforming to the template, with no
narrative outside it. This is a reproducibility audit — a favorable headline