To cite package ‘sparseFLMM’ in publications use:

  Cederbaum J, Volkmann A, Stöcker A (2025). _sparseFLMM: Functional
  Linear Mixed Models for Irregularly or Sparsely Sampled Data_. R
  package version 0.4.3, <https://github.com/jonacrc/sparseflmm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sparseFLMM: Functional Linear Mixed Models for Irregularly or Sparsely
Sampled Data},
    author = {Jona Cederbaum and Alexander Volkmann and Almond Stöcker},
    year = {2025},
    note = {R package version 0.4.3},
    url = {https://github.com/jonacrc/sparseflmm},
  }