Side by side
G*Power vs greta
Both stand on statistical analysis software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan MacWindows
G*Power offers broad, local statistical power analysis at no cost. Users should note its distribution restrictions, platform versions, and the absence of provided security documentation.
Visit G*Power Free plan LinuxMacWindows
greta provides an R-centered route to Bayesian and frequentist MCMC modeling, with TensorFlow-backed computation and optional visualization. Plan for its Python dependencies and separate plotting packages when setting it up.
Visit gretaThe facts
| G*Power | greta | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 2 | None |
| Maker | G*Power | Not published |
| Website | gpower.hhu.de | greta-dev.github.io |
| On statistical analysis software | #32 of 106 | #28 of 106 |
G*Power: what it does well
- Free for commercial and non-commercial users
- Covers many common statistical tests
- Calculates and graphs effect sizes
- Runs locally on Windows and macOS
- Includes scripting support
What to know first
- Commercial distribution is prohibited
- Mac download is compiled for Intel processors
- Windows installer may download runtime libraries
- Makers provide no security documentation
greta: what it does well
- Free Apache License 2.0 package
- Bayesian and frequentist inference
- Runs on CPUs clusters and GPUs
- Interactive modeling directly in R
- Supports custom R functions and packages
What to know first
- Plotting needs DiagrammeR and igraph
- Python and TensorFlow dependencies are installed
- Usage questions go to the greta forum
- Plotting is unavailable without extra packages
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