statistical-problem-formulation

statistical-problem-formulation is a skill for Claude Code, Codex from aiming-lab/AutoResearchClaw. It costs 30 tokens per session (609 once invoked), scanned A, original, MIT.

A guide for turning a broad statistics topic into a precise research problem. It defines the data, the quantity or decision being studied, the assumptions, the claims, and the success measures.

In plain words
What is it for?
Use it to describe sampling, data models, target parameters, hypotheses, evaluation criteria, and theoretical goals such as bias, consistency, or error bounds.
Why use it?
It prevents research from starting with an unfocused method or experiment before it is clear what should be learned and under which conditions.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/aiming-lab/autoresearchclaw/statistical-problem-formulation
Any agent
npx skills add aiming-lab/AutoResearchClaw --skill statistical-problem-formulation
Clone the repo
git clone --depth 1 https://github.com/aiming-lab/AutoResearchClaw

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for statistical-problem-formulation

README.md
[![agentmods](https://agentmods.dev/badge/skills/aiming-lab/autoresearchclaw/statistical-problem-formulation.svg)](https://agentmods.dev/skills/aiming-lab/autoresearchclaw/statistical-problem-formulation)
Your own site
<a href="https://agentmods.dev/skills/aiming-lab/autoresearchclaw/statistical-problem-formulation"><img src="https://agentmods.dev/badge/skills/aiming-lab/autoresearchclaw/statistical-problem-formulation.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 609 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00030 $0.00609
Opus 5 $0.00015 $0.00304
Sonnet 5 $0.00006 $0.00122
Haiku 4.5 $0.00003 $0.00061

Measured 4d ago against content hash 8e2bc671e730, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

statistical-problem-formulation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

external/agents/stat_research_agent/skills/statistical-problem-formulation/SKILL.md · 111 lines

How it starts

The opening of the file, as written. The whole thing — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Statistical Problem Formulation

Overview

Use this skill before any method design, theory, experiment, or report writing. The goal is to transform a broad topic into a precise statistical problem.

Required Formulation Elements

Element Questions
Observed data What is observed? What is the sample size? Are samples iid, dependent, clustered, censored, or selected?
Data model What family of distributions or data-generating processes is considered?
Target What parameter, decision, prediction, or risk is the object of study?
Assumptions What must hold for the target to be identifiable or the method to work?
Hypotheses What claims should be supported, refuted, or made inconclusive?
Criteria What metrics define success or failure?
Theory target What property should be derived: bias, variance, consistency, rate, coverage, error bound, robustness, or impossibility?

Handoff Schema

The problem formulation should be precise enough to support this structured handoff:

topic_id: TXX
title: ""
research_question: ""
observed_data:
  notation: ""
  sampling: iid | dependent | clustered | time_series | selected | unknown
data_model:
  notation: ""
  family: ""
target:
  name: ""
  notation: ""
  type: estimand | decision | prediction | risk | descriptive_quantity
  truth_source: analytic | simulation | oracle | empirical_reference | not_applicable
assumptions:
  structural: []
  sampling: []
  regularity: []
  identifiability: []
claims:
  - id: C1
    statement: ""
    formal_statement: ""
evaluation_criteria:
  - name: ""
    direction: ""
theory_targets:
  - identifiability
  - bias
  - consistency
blocking_ambiguities: []

Template

# Problem Formulation

## Research Question
...

## Observed Data
Let ...

## Data-Generating Model
Assume ...

## Target / Estimand
Define ...

## Candidate Procedure Class
We consider procedures ...

## Assumptions
1. ...

## Claims / Hypotheses
- ...

## Evaluation Criteria
- ...

## Theoretical Questions
- ...

## Experimental Questions
- ...

Read the full file on GitHub · 111 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 111 lines · 30 tokens per session scan A 8e2bc671e730

Subscribe to this mod's changes

statistical-problem-formulation is a skill published in the GitHub repository aiming-lab/AutoResearchClaw (14,325 stars, last pushed 16d ago), licensed MIT. It adds 30 tokens to every session and 609 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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