statistical-analysis

statistical-analysis is a skill for Claude Code, Codex from synthetic-sciences/openscience. It costs 58 tokens per session (5,137 once invoked), scanned A, a copy of statistical-analysis, Apache-2.0.

A guide to statistical analysis, the process of testing claims and measuring relationships in data. It covers test selection, checking assumptions, power analysis, effect sizes, and APA-style reporting.

In plain words
What is it for?
Use it for t-tests, ANOVA, chi-square tests, regression, correlation, Bayesian analysis, power calculations, and academic research reports.
Why use it?
It helps you choose an appropriate statistical test and avoid reporting results without checking whether its assumptions hold.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for t-tests, ANOVA, chi-square tests, regression, correlation, Bayesian analysis, power calculations, and academic research reports.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/synthetic-sciences/openscience/statistical-analysis
About the project

synthetic-sciences/openscience is an AI workbench that carries out scientific research by reading papers, forming hypotheses, writing and running code, conducting experiments, analyzing results, and preparing reports. Researchers use it for work in machine learning, biology, physics, and chemistry with remote or local models. Catalogue add-ons extend its scientific workflows through skills and instructions.

synthetic-sciences/openscience · 3,501 stars · on GitHub · openscience.sh

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.

Any agent
npx skills add synthetic-sciences/openscience --skill statistical-analysis
Clone the repo
git clone --depth 1 https://github.com/synthetic-sciences/openscience

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-analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/synthetic-sciences/openscience/statistical-analysis.svg)](https://agentmods.dev/skills/synthetic-sciences/openscience/statistical-analysis)
Your own site
<a href="https://agentmods.dev/skills/synthetic-sciences/openscience/statistical-analysis"><img src="https://agentmods.dev/badge/skills/synthetic-sciences/openscience/statistical-analysis.svg" alt="Measured on agentmods" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,137 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 95% copy Near-identical to another mod 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 5.1 $0.00058 $0.05137
Opus 5 $0.00029 $0.02568
Sonnet 5 $0.00012 $0.01027
Haiku 4.5 $0.00006 $0.00514

Measured 4d ago against content hash cb28c07262cc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

statistical-analysis 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/assumption_checks.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

This is a copy

95% identical to statistical-analysis — 3 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

backend/cli/skills/coding/statistical-analysis/SKILL.md · 632 lines

How it starts

The opening of the file, as written. The whole thing — 632 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Statistical Analysis

Overview

Statistical analysis is a systematic process for testing hypotheses and quantifying relationships. Conduct hypothesis tests (t-test, ANOVA, chi-square), regression, correlation, and Bayesian analyses with assumption checks and APA reporting. Apply this skill for academic research.

When to Use This Skill

This skill should be used when:

  • Conducting statistical hypothesis tests (t-tests, ANOVA, chi-square)
  • Performing regression or correlation analyses
  • Running Bayesian statistical analyses
  • Checking statistical assumptions and diagnostics
  • Calculating effect sizes and conducting power analyses
  • Reporting statistical results in APA format
  • Analyzing experimental or observational data for research

Core Capabilities

1. Test Selection and Planning

  • Choose appropriate statistical tests based on research questions and data characteristics
  • Conduct a priori power analyses to determine required sample sizes
  • Plan analysis strategies including multiple comparison corrections

2. Assumption Checking

  • Automatically verify all relevant assumptions before running tests
  • Provide diagnostic visualizations (Q-Q plots, residual plots, box plots)
  • Recommend remedial actions when assumptions are violated

3. Statistical Testing

  • Hypothesis testing: t-tests, ANOVA, chi-square, non-parametric alternatives
  • Regression: linear, multiple, logistic, with diagnostics
  • Correlations: Pearson, Spearman, with confidence intervals
  • Bayesian alternatives: Bayesian t-tests, ANOVA, regression with Bayes Factors

4. Effect Sizes and Interpretation

  • Calculate and interpret appropriate effect sizes for all analyses
  • Provide confidence intervals for effect estimates
  • Distinguish statistical from practical significance

5. Professional Reporting

  • Generate APA-style statistical reports
  • Create publication-ready figures and tables
  • Provide complete interpretation with all required statistics

Workflow Decision Tree

Read the full file on GitHub · 632 lines

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 632 lines · 58 tokens per session scan A cb28c07262cc

Subscribe to this mod's changes

statistical-analysis is a skill published in the GitHub repository synthetic-sciences/openscience (3,501 stars, last pushed today), licensed Apache-2.0. It adds 58 tokens to every session and 5,137 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to statistical-analysis, differing in 3 lines, and is treated as a copy.