To cite package ‘rwig’ in publications use:

  Xie F (2026). _rwig: Wasserstein Index Generation (WIG) Model_. R
  package version 0.1.0, <https://github.com/fangzhou-xie/rwig>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rwig: Wasserstein Index Generation (WIG) Model},
    author = {Fangzhou Xie},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/fangzhou-xie/rwig},
  }