To cite package ‘piar’ in publications use:

  Martin S (2024). “piar: Price Index Aggregation R.” _Journal of Open
  Source Software_, *9*(101), 6781. doi:doi.org/10.21105/joss.06781
  <https://doi.org/doi.org/10.21105/joss.06781>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{piar}: Price Index Aggregation R},
    author = {Steve Martin},
    year = {2024},
    doi = {doi.org/10.21105/joss.06781},
    journal = {Journal of Open Source Software},
    volume = {9},
    number = {101},
    pages = {6781},
  }

  Martin S (2024). _piar: Price Index Aggregation_.
  doi:10.5281/zenodo.10110046
  <https://doi.org/10.5281/zenodo.10110046>, R package version 0.8.1,
  <https://cran.r-project.org/package=piar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{piar}: Price Index Aggregation},
    author = {Steve Martin},
    year = {2024},
    doi = {10.5281/zenodo.10110046},
    url = {https://cran.r-project.org/package=piar},
    note = {R package version 0.8.1},
  }