To cite package ‘copulaSQM’ in publications use: Yamaka DW (2026). _copulaSQM: Copula Based Stochastic Frontier Quantile Model_. R package version 0.1.0, . A BibTeX entry for LaTeX users is @Manual{, title = {copulaSQM: Copula Based Stochastic Frontier Quantile Model}, author = {Dr. Woraphon Yamaka}, year = {2026}, note = {R package version 0.1.0}, url = {https://github.com/woraphonyamaka/copulasqm}, } ATTENTION: This citation information has been auto-generated from the package DESCRIPTION file and may need manual editing, see ‘help("citation")’.