Harrell Jr F (2025). Hmisc: Harrell Miscellaneous. R package version 5.2-3, https://hbiostat.org/R/Hmisc/.
@Manual{, title = {Hmisc: Harrell Miscellaneous}, author = {Frank E {Harrell Jr}}, year = {2025}, note = {R package version 5.2-3}, url = {https://hbiostat.org/R/Hmisc/}, }