The marginaleffects.com
website includes detailed documentation for both the R and
Python versions of the marginaleffects
package.
It also includes a complete free version of this forthcoming book
Model to Meaning: How to Interpret Statistical Results Using marginaleffects for R and Python. Arel-Bundock, Vincent. CRC Chapman & Hall.
In addition to full book chapters, marginaleffects.com includes a lot of bonus content. In total, there are over 40 detailed vignettes and tutorials, including: