To cite package ‘hpolcc’ in publications use: Brown P (2026). _hpolcc: Hierarchical Air Pollution Model_. R package version 0.5.2, . A BibTeX entry for LaTeX users is @Manual{, title = {hpolcc: Hierarchical Air Pollution Model}, author = {Patrick Brown}, year = {2026}, note = {R package version 0.5.2}, url = {https://github.com/eborgnine/adlaplace}, }