Please cite ARCokrig including its version number as

Ma P (2023). “ARCokrig: Autoregressive Cokriging Models for Multifidelity Codes.” R package version 0.1.3, https://github.com/pulongma/ARCokrig.

Corresponding BibTeX entry:

  @Misc{,
    title = {ARCokrig: Autoregressive Cokriging Models for
      Multifidelity Codes},
    author = {Pulong Ma},
    note = {R package version 0.1.3},
    organization = {Iowa State University},
    address = {Ames, IA, USA},
    year = {2023},
    url = {https://github.com/pulongma/ARCokrig},
  }