gpower

Install command: 
brew install --cask gpower

Name: G*Power

Tool to compute statistical power analyses

https://www.psychologie.hhu.de/arbeitsgruppen/allgemeine-psychologie-und-arbeitspsychologie/gpower.html

/api/cask/gpower.json (JSON API)

Cask code on GitHub

Current version: 3.1.9.6

Analytics:

Installs (30 days)
gpower 2
Installs (90 days)
gpower 7
Installs (365 days)
gpower 52
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