R/data.R

In logistf: Firth's Bias-Reduced Logistic Regression

#' Urinary Tract Infection in American College Students
#' 
#' This data set deals with urinary tract infection in sexually active college women, 
#' along with covariate information on age an contraceptive use. 
#' The variables are all binary and coded in 1 (condition is present) and 0 (condition is absent).
#' 
#' @format sex2: a data.frame containing 239 observations
#' \describe{
#' \item{case}{urinary tract infection, the study outcome variable}
#' \item{age}{>= 24 years}
#' \item{dia}{use of diaphragm}
#' \item{oc}{use of oral contraceptive}
#' \item{vic}{use of condom}
#' \item{vicl}{use of lubricated condom}
#' \item{vis}{use of spermicide}
#' }
#' 
#' @source <https://www.cytel.com/>
#' 
#' @references Cytel Inc., (2010) LogXact 9 user manual, Cambridge, MA:Cytel Inc
"sex2"
#' Urinary Tract Infection in American College Students
#' 
#' This data set deals with urinary tract infection in sexually active college women, 
#' along with covariate information on age an contraceptive use. 
#' The variables are all binary and coded in 1 (condition is present) and 0 (condition is absent): 
#' case (urinary tract infection, the study outcome variable), age (>= 24 years), 
#' dia (use of diaphragm), oc (use of oral contraceptive), vic (use of condom), 
#' vicl (use of lubricated condom), and vis (use of spermicide).
#' 
#' @format sexagg: an aggregated data.frame containing 31 observations with case weights (COUNT).
#' \describe{
#' \item{case}{urinary tract infection, the study outcome variable}
#' \item{age}{>= 24 years}
#' \item{dia}{use of diaphragm}
#' \item{oc}{use of oral contraceptive}
#' \item{vic}{use of condom}
#' \item{vicl}{use of lubricated condom}
#' \item{vis}{use of spermicide}
#' }
#' 
#' @source <https://www.cytel.com/>
#' 
#' @references Cytel Inc., (2010) LogXact 9 user manual, Cambridge, MA:Cytel Inc
"sexagg"