To cite package smartdata in publications use:

Cordón I, Luengo J, García S, Herrera F, Charte F (2019). “Smartdata: Data preprocessing to achieve smart data in R.” Neurocomputing. https://doi.org/10.1016/j.neucom.2019.06.006.

Corresponding BibTeX entry:

  @Article{,
    title = {Smartdata: Data preprocessing to achieve smart data in R},
    author = {Ignacio Cordón and Julián Luengo and Salvador García and
      Francisco Herrera and Francisco Charte},
    month = {6},
    year = {2019},
    journal = {Neurocomputing},
    url = {https://doi.org/10.1016/j.neucom.2019.06.006},
  }