To cite package ‘npfseir’ in publications use:

Wang W (2026). npfseir: Nested Particle Filter for Stochastic SEIR Epidemic Models. R package version 0.2.1, https://CRAN.R-project.org/package=npfseir.

Corresponding BibTeX entry:

  @Manual{,
    title = {npfseir: Nested Particle Filter for Stochastic SEIR
      Epidemic Models},
    author = {Weinan Wang},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=npfseir},
  }