Please cite ARCokrig including its version number as

Ma P (2019). “ARCokrig: Autoregressive Cokriging Models for Multifidelity Codes.” R package version 0.1.2, https://github.com/pulongma/ARCokrig.

Corresponding BibTeX entry:

  @Misc{,
    title = {ARCokrig: Autoregressive Cokriging Models for
      Multifidelity Codes},
    author = {Pulong Ma},
    note = {R package version 0.1.2},
    organization = {Statistical and Applied Mathematical Sciences
      Institute},
    address = {Durham, NC, USA},
    year = {2019},
    url = {https://github.com/pulongma/ARCokrig},
  }

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