R/swimmers.R

In trobinj/trtools: Miscellaneous Tools for Teaching Statistics

#' Ear infections in swimmers.
#'
#' Data from an observational study of the frequency of ear infections in swimmers. 
#'
#' @format A data frame with 287 observations and five variables:
#' \describe{
#'    \item{swimmer:}{type of swimmer (Occasional or Frequent)}
#'    \item{location:}{location of swimming (NonBeach or Beach)}
#'    \item{age:}{swimmer's age (years)}
#'    \item{sex:}{swimmer's sex (Female or Male)}
#'    \item{infections:}{number of self-diagnosed ear infections}
#' }
#'
#' @source Hand, D. J., Daly, F., Lunn, A. D., McConway, K. J., Ostrowski, E. (1994). \emph{A handbook of small data sets}. London: Chapman & Hall. The data were downloaded from http://www.statsci.org/data/oz/earinf.html. 
"swimmers"