PyFixest
Getting Started
Function Reference
Tutorials
All Tutorials
OLS with Fixed Effects
Formula Syntax
Regression Tables
Difference-in-Differences
Quantile Regression
Guides
All Guides
Marginal Effects & Hypothesis Testing
Regression Decomposition
PyFixest on the GPU via JAX
PyFixest on the GPU via CuPy
Compare Stata & PyFixest
Variance Reduction in AB Tests
Explanation
When Are Fixed Effects Problems Difficult?
On Small Sample Corrections
Does PyFixest Match fixest?
Textbook Replications
All Textbook Replications
Causal Inference for the Brave and True
Causal Inference: The Mixtape
The Effect
Other Resources
Changelog
Contributing
Acknowledgements
Sprint 2026
llms.txt
Skills.md
PyFixest
If you are not redirected automatically, go to
PyFixest Documentation
.