To cite package ‘GreyModel’ in publications use:

Ray M, kumar R (2021). GreyModel: Fitting and Forecasting of Grey Model. R package version 0.1.0, https://CRAN.R-project.org/package=GreyModel.

Corresponding BibTeX entry:

  @Manual{,
    title = {GreyModel: Fitting and Forecasting of Grey Model},
    author = {Mrinmoy Ray and Rajeev Ranjan kumar},
    year = {2021},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=GreyModel},
  }