To cite package ‘FKF’ in publications use: Luethi D, Erb P, Otziger S, McDonald D, Smith P (2024). _FKF: Fast Kalman Filter_. R package version 0.2.6, , . A BibTeX entry for LaTeX users is @Manual{, title = {FKF: Fast Kalman Filter}, author = {David Luethi and Philipp Erb and Simon Otziger and Daniel McDonald and Paul Smith}, year = {2024}, note = {R package version 0.2.6, }, url = {https://github.com/waternumbers/fkf}, }