charlson: Computing Comorbidity Scores

#' @title Computing Comorbidity Scores
#'
#' @description Computing comorbidity indices and scores such as the weighted Charlson
#' score (Charlson, 1987 \doi{10.1016/0021-9681(87)90171-8}) and the Elixhauser
#' comorbidity score (Elixhauser, 1998 \doi{10.1097/00005650-199801000-00004})
#' using ICD-9-CM or ICD-10 codes (Quan, 2005 \doi{10.1097/01.mlr.0000182534.19832.83}).
#' Australian and Swedish modifications of the Charlson Comorbidity Index are available
#' as well (Sundararajan, 2004 \doi{10.1016/j.jclinepi.2004.03.012} and Ludvigsson, 2021
#' \doi{10.2147/CLEP.S282475}).
#'
#' @name comorbidity-package
#' @docType package
#' @author Alessandro Gasparini (alessandro.gasparini@@ki.se)
NULL

#' @keywords internal
.datatable.aware <- TRUE

# Quiets concerns of R CMD check re: variable names used internally
if (getRversion() >= "2.15.1") utils::globalVariables(c(":=", "..mv", "..mvb", "NA", "canc", "diab", "diabc", "diabunc", "diabwc", "hypc", "hypunc", "metacanc", "mld", "msld", "solidtum", "value"))