To cite package ‘capybara’ in publications use: Vargas Sepulveda M (2025). _capybara: Fast and Memory Efficient Fitting of Linear Models with High-Dimensional Fixed Effects_. R package version 0.9.0, , . A BibTeX entry for LaTeX users is @Manual{, title = {capybara: Fast and Memory Efficient Fitting of Linear Models with High-Dimensional Fixed Effects}, author = {Mauricio {Vargas Sepulveda}}, year = {2025}, note = {R package version 0.9.0, }, url = {https://github.com/pachadotdev/capybara}, }