To cite package ‘gpindex’ in publications use: Martin S (2024). _gpindex: Generalized Price and Quantity Indexes_. doi:10.5281/zenodo.10097742 , R package version 0.6.2, . A BibTeX entry for LaTeX users is @Manual{, title = {{gpindex}: Generalized Price and Quantity Indexes}, author = {Steve Martin}, year = {2024}, doi = {10.5281/zenodo.10097742}, url = {https://cran.r-project.org/package=gpindex}, note = {R package version 0.6.2}, }