# metafor-project.org

- **Website:** <https://metafor-project.org>
- **Primary alias:** `metafor-project.org`

## Description

The metafor Package is a comprehensive, free, and open-source tool designed for performing meta-analyses within the R statistical software environment. Developed by Wolfgang Viechtbauer, this package equips users with a robust collection of functions that facilitate the calculation of various effect sizes and outcome measures. It supports fitting for multiple models, including equal-, fixed-, random-, and mixed-effects, and offers capabilities for conducting moderator and meta-regression analyses.

On the metafor website, users can find a wealth of resources including news about the package, detailed descriptions of its features, a comprehensive update log, and a to-do list outlining planned enhancements. Additionally, the site provides essential information on downloading, installing, and utilizing the package, alongside practical analysis examples and illustrative plots. Users will also benefit from tips, a FAQ section, and links to related meta-analysis software resources. The metafor package is licensed under the GNU General Public License Version 2, ensuring its availability for both personal and academic use.

## Industries

- 🧪 Science and Education
- 🧪 Math _(under Science and Education)_

## Logos & icons

- logo _(primary)_ — PNG — [download](https://cdn.brandfetch.io/id3N6kDBZl/w/1/h/64/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1743708724578)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Tundora | #444444 | dark |
| Alto | #dddddd | light |

## Fonts

- Consolas — asset _(custom)_

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_Source: <https://brandfetch.com/metafor-project.org>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._