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ClaudSkills / Science & Research / math-stats

Sample Size Basic

Category: Science & Research  ·  Sub-category: math-stats  ·  Last updated:
Basic sample size estimator for clinical research planning. Computes per-group and total N for two-sample/paired t-tests, chi-square tests, and proportion comparisons, reporting alpha, power, effect size, and statistical assumptions summary for grant proposals and preliminary ...
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From the source SKILL.md

Basic sample size estimation for clinical research planning.

What this skill does

Sample Size Basic is a community-contributed Claude Code skill in the math-stats sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/sample-size-basic/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Sample Size Basic Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/sample-size-basic
curl -L https://claudskills.com/skills/sample-size-basic/SKILL.md \
  -o ~/.claude/skills/sample-size-basic/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/sample-size-basic/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/sample-size-basic/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\sample-size-basic\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Sample Size Basic Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/sample-size-basic/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Sample Size Basic skill do?
Basic sample size estimator for clinical research planning. Computes per-group and total N for two-sample/paired t-tests, chi-square tests, and proportion comparisons, reporting alpha, power, effect size, and statistical assumptions summary for grant proposals and preliminary ...
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Sample Size Basic skill?
Use Sample Size Basic when your Claude Code task falls under the Science & Research category — specifically in the math stats area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Sample Size Basic" or describe the task and let Claude pick). Browse related skills at /category/science/.
What is a Claude Code skill and how does the Sample Size Basic skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Sample Size Basic is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
AIPOCH. (2026). Sample Size Basic [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/sample-size-basic/
BibTeX
@misc{sample-size-basic-2026,
  author    = {AIPOCH},
  title     = {Sample Size Basic [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/sample-size-basic/}
}

Embed this skill

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Badge
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<script>
<script src="https://claudskills.com/embed/sample-size-basic.js" async></script>
<iframe>
<iframe src="https://claudskills.com/embed/sample-size-basic.html" width="100%" height="160" frameborder="0" loading="lazy" title="ClaudSkills: Sample Size Basic"></iframe>

Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

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Browse all Science & Research skills in the ClaudSkills registry, or explore these other picks from the same category:

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