Name		Name	Last commit message	Last commit date
.vscode		.vscode
benchmarks		benchmarks
docs/validation		docs/validation
src		src
.eslintrc.json		.eslintrc.json
.gitignore		.gitignore
.prettierrc		.prettierrc
LICENSE		LICENSE
README.md		README.md
netlify.toml		netlify.toml
next.config.mjs		next.config.mjs
package.json		package.json
pnpm-lock.yaml		pnpm-lock.yaml
postcss.config.mjs		postcss.config.mjs
tailwind.config.ts		tailwind.config.ts
tsconfig.json		tsconfig.json

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PowerLMM.js - Sample size planning for longitudinal models with missing data

This repository contains the source code for the open-source PowerLMM.js web app.

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Run the development server:

pnpm i
pnpm run dev

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Calculate statistical power for longitudinal linear mixed-effects models with dropout. Supports null hypothesis, non-inferiority, and equivalence tests.

powerlmmjs.rpsychologist.com

linear-mixed-model multilevel-models power-analysis research sample-size statistics webapp

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