To cite package ‘qlcMatrix’ in publications use:

Cysouw M (2025). qlcMatrix: Utility Sparse Matrix Functions for Quantitative Language Comparison. R package version 0.9.9, https://github.com/cysouw/qlcmatrix.

Corresponding BibTeX entry:

  @Manual{,
    title = {qlcMatrix: Utility Sparse Matrix Functions for
      Quantitative Language Comparison},
    author = {Michael Cysouw},
    year = {2025},
    note = {R package version 0.9.9},
    url = {https://github.com/cysouw/qlcmatrix},
  }