Describe and assess the sample size of a dataset — not just row count, but effective sample size per question the user wants to answer. Flags underpowered segments, imbalanced classes, small-n group cells, and gives a concrete "you can / cannot reliably claim X from this data" verdict.
How to install sample-size?
danielrosehill/claude-data-analyst-plugin/sample-size
$npx -y skills add danielrosehill/claude-data-analyst-plugin --skill sample-sizeInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/danielrosehill/claude-data-analyst-plugin" --skill "danielrosehill/claude-data-analyst-plugin/sample-size"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/danielrosehill/claude-data-analyst-plugin" that are relevant to the current task. Run `npx skills add "https://github.com/danielrosehill/claude-data-analyst-plugin"` and select the relevant skills, then follow their instructions.
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