To cite package ‘covKCD’ in publications use:

Hoff P (2022). covKCD: Covariance Estimation for Matrix Data with the Kronecker-Core Decomposition. R package version 0.1, https://github.com/pdhoff/covkcd.

Corresponding BibTeX entry:

  @Manual{,
    title = {covKCD: Covariance Estimation for Matrix Data with the
      Kronecker-Core Decomposition},
    author = {Peter Hoff},
    year = {2022},
    note = {R package version 0.1},
    url = {https://github.com/pdhoff/covkcd},
  }