R/impairment.R

In trobinj/trtools: Miscellaneous Tools for Teaching Statistics

#' Degree of mental impairment. 
#'
#' Degree of mental impairment as a function of socioeconomic status and life events index.
#'
#' @format A data frame of 40 observations and three variables:
#' \describe{
#'    \item{impairment:}{degree of mental impairment (none, mild, moderate, impaired)}
#'    \item{ses:}{socioeconomic status (low or high)}
#'    \item{events:}{life events index score}
#' }
"impairment"