To cite package ‘nFunNN’ in publications use:

Zhong R, Zhang J (2024). nFunNN: Nonlinear Functional Principal Component Analysis using Neural Networks. R package version 1.0, https://CRAN.R-project.org/package=nFunNN.

Corresponding BibTeX entry:

  @Manual{,
    title = {nFunNN: Nonlinear Functional Principal Component Analysis
      using Neural Networks},
    author = {Rou Zhong and Jingxiao Zhang},
    year = {2024},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=nFunNN},
  }